From 225ff71859db0d735a910cda2e78de6b792dbf8d Mon Sep 17 00:00:00 2001
From: yuntang <123@qq.com>
Date: Tue, 6 May 2025 17:26:23 +0800
Subject: [PATCH] 2025-05-06T17:26:22

---
 experiment_data/sample_data/~$锡.xlsx | Bin 165 -> 0 bytes
 src/main.cpp                          |   1 -
 src/ui/coefficientselectionform.cpp   | 213 +++++++++++++++++---------
 src/ui/coefficientselectionform.h     |   3 +
 src/ui/enthalpydatacorrectionform.cpp | 128 +++++++++-------
 src/ui/enthalpydatacorrectionform.h   |   4 +-
 src/ui/enthalpydatacorrectionform.ui  |  36 ++---
 7 files changed, 239 insertions(+), 146 deletions(-)
 delete mode 100644 experiment_data/sample_data/~$锡.xlsx

diff --git a/experiment_data/sample_data/~$锡.xlsx b/experiment_data/sample_data/~$锡.xlsx
deleted file mode 100644
index d4a5841882f71e1e9259c5c320e2b84832515279..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 165
ZcmZQhOiETD9WXN_G9)o1Gbqpn0s!Zc4-)_Y

diff --git a/src/main.cpp b/src/main.cpp
index a51273b..9ddeee0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -51,7 +51,6 @@ int main(int argc, char *argv[])
 
     //    a.setWindowIcon(QIcon(":/images/logo.png"));
 
-
 #if 1
     MainWindow w;
     w.setWindowTitle("Analysis Tool");
diff --git a/src/ui/coefficientselectionform.cpp b/src/ui/coefficientselectionform.cpp
index 4f24051..68b064a 100644
--- a/src/ui/coefficientselectionform.cpp
+++ b/src/ui/coefficientselectionform.cpp
@@ -64,12 +64,20 @@ void CoefficientSelectionForm::on_pushButtonConfirm_clicked()
 
         for (const QJsonValue &value : jsonArray) {
             QJsonObject jsonObj = value.toObject();
-            xVtr<<jsonObj["theory"].toDouble();
+            xVtr<<jsonObj["temperature"].toDouble();
             yVtr<<jsonObj["rate"].toDouble();
         }
 
         double coeff[3] = {0};
-        cubicLeastSquaresFit(xVtr.data(),yVtr.data(),xVtr.size(),coeff);
+        quadraticLeastSquaresFit(xVtr.data(),yVtr.data(),xVtr.size(),coeff);
+
+#if 0
+        std::cout << "Fitted quadratic polynomial: y = "
+                  << coeff[0] << "x^2 + "
+                  << coeff[1] << "x + "
+                  << coeff[2] << std::endl;
+#endif
+
 
         logde<<"y:"<<coeff[0]<<","
             <<coeff[1]<<","
@@ -100,7 +108,73 @@ void CoefficientSelectionForm::on_pushButtonExit_clicked()
 
     hide();
 }
+void CoefficientSelectionForm::quadraticLeastSquaresFit(double x[], double y[], int n, double coeff[]) {
+    if (n < 3) {
+        throw std::runtime_error("At least 3 data points are required for quadratic fit.");
+    }
 
+    // 计算各次幂的和
+    double sum_x = 0.0, sum_x2 = 0.0, sum_x3 = 0.0, sum_x4 = 0.0;
+    double sum_y = 0.0, sum_xy = 0.0, sum_x2y = 0.0;
+
+    for (int i = 0; i < n; ++i) {
+        sum_x += x[i];
+        sum_x2 += x[i] * x[i];
+        sum_x3 += x[i] * x[i] * x[i];
+        sum_x4 += x[i] * x[i] * x[i] * x[i];
+        sum_y += y[i];
+        sum_xy += x[i] * y[i];
+        sum_x2y += x[i] * x[i] * y[i];
+    }
+
+    // 构建法方程矩阵 A 和向量 b
+    double A[3][3] = {
+        {sum_x2, sum_x, n},
+        {sum_x3, sum_x2, sum_x},
+        {sum_x4, sum_x3, sum_x2}
+    };
+    double b[3] = {sum_x2y, sum_xy, sum_y};
+
+    // 使用高斯消元法求解线性方程组
+    for (int i = 0; i < 3; ++i) {
+        // 寻找主元行
+        int max_row = i;
+        double max_val = std::fabs(A[i][i]);
+        for (int j = i + 1; j < 3; ++j) {
+            if (std::fabs(A[j][i]) > max_val) {
+                max_val = std::fabs(A[j][i]);
+                max_row = j;
+            }
+        }
+
+        // 交换行
+        if (max_row != i) {
+            for (int k = 0; k < 3; ++k) {
+                std::swap(A[i][k], A[max_row][k]);
+            }
+            std::swap(b[i], b[max_row]);
+        }
+
+        // 消元
+        for (int j = i + 1; j < 3; ++j) {
+            double factor = A[j][i] / A[i][i];
+            for (int k = i; k < 3; ++k) {
+                A[j][k] -= factor * A[i][k];
+            }
+            b[j] -= factor * b[i];
+        }
+    }
+
+    // 回代求解
+    coeff[2] = b[2] / A[2][2];
+    for (int i = 1; i >= 0; --i) {
+        double sum = 0.0;
+        for (int j = i + 1; j < 3; ++j) {
+            sum += A[i][j] * coeff[j];
+        }
+        coeff[i] = (b[i] - sum) / A[i][i];
+    }
+}
 void CoefficientSelectionForm::on_pushButtonSelectFile_clicked()
 {
     QString filePath = QFileDialog::getOpenFileName(
@@ -125,7 +199,6 @@ void CoefficientSelectionForm::on_pushButtonSelectFile_clicked()
     //
     ui->labelFilePath->setText(filePath);
     ui->textEditFileContent->setText(_jsonStr);
-
 }
 
 void CoefficientSelectionForm::on_radioButtonSinglePointCoefficient_toggled(bool checked)
@@ -172,79 +245,79 @@ void CoefficientSelectionForm::cubicLeastSquaresFit(
         double x[], double y[], int n, double coeff[])
 {
     int i, j, k;
-      double atemp[3] = {0}; // 存储x^0, x^1, x^2的和
-      double b[3] = {0};     // 右侧向量
+    double atemp[3] = {0}; // 存储x^0, x^1, x^2的和
+    double b[3] = {0};     // 右侧向量
 
-      // 计算各次幂的和
-      for (i = 0; i < n; i++) {
-          double xi = x[i];
-          double xi_pow2 = xi * xi; // x^2
+    // 计算各次幂的和
+    for (i = 0; i < n; i++) {
+        double xi = x[i];
+        double xi_pow2 = xi * xi; // x^2
 
-          // 累加atemp[0]到atemp[2]
-          atemp[0] += 1; // x^0的和等于数据点个数
-          atemp[1] += xi;
-          atemp[2] += xi_pow2;
+        // 累加atemp[0]到atemp[2]
+        atemp[0] += 1; // x^0的和等于数据点个数
+        atemp[1] += xi;
+        atemp[2] += xi_pow2;
 
-          // 计算右侧向量b
-          double yi = y[i];
-          b[0] += yi;
-          b[1] += yi * xi;
-          b[2] += yi * xi_pow2;
-      }
+        // 计算右侧向量b
+        double yi = y[i];
+        b[0] += yi;
+        b[1] += yi * xi;
+        b[2] += yi * xi_pow2;
+    }
 
-      // 构建法方程矩阵
-      double a[3][3];
-      a[0][0] = atemp[0];
-      a[0][1] = atemp[1];
-      a[0][2] = atemp[2];
-      a[1][0] = atemp[1];
-      a[1][1] = atemp[2];
-      a[1][2] = 0;
-      a[2][0] = atemp[2];
-      a[2][1] = 0;
-      a[2][2] = 0;
+    // 构建法方程矩阵
+    double a[3][3];
+    a[0][0] = atemp[0];
+    a[0][1] = atemp[1];
+    a[0][2] = atemp[2];
+    a[1][0] = atemp[1];
+    a[1][1] = atemp[2];
+    a[1][2] = 0;
+    a[2][0] = atemp[2];
+    a[2][1] = 0;
+    a[2][2] = 0;
 
-      // 高斯列主元消元法
-      for (k = 0; k < 2; k++) { // 消去第k列
-          // 寻找主元行
-          int max_row = k;
-          double max_val = fabs(a[k][k]);
-          for (i = k + 1; i < 3; i++) {
-              if (fabs(a[i][k]) > max_val) {
-                  max_val = fabs(a[i][k]);
-                  max_row = i;
-              }
-          }
+    // 高斯列主元消元法
+    for (k = 0; k < 2; k++) { // 消去第k列
+        // 寻找主元行
+        int max_row = k;
+        double max_val = fabs(a[k][k]);
+        for (i = k + 1; i < 3; i++) {
+            if (fabs(a[i][k]) > max_val) {
+                max_val = fabs(a[i][k]);
+                max_row = i;
+            }
+        }
 
-          // 交换行
-          if (max_row != k) {
-              for (j = k; j < 3; j++) {
-                  double temp = a[k][j];
-                  a[k][j] = a[max_row][j];
-                  a[max_row][j] = temp;
-              }
-              double temp_b = b[k];
-              b[k] = b[max_row];
-              b[max_row] = temp_b;
-          }
+        // 交换行
+        if (max_row != k) {
+            for (j = k; j < 3; j++) {
+                double temp = a[k][j];
+                a[k][j] = a[max_row][j];
+                a[max_row][j] = temp;
+            }
+            double temp_b = b[k];
+            b[k] = b[max_row];
+            b[max_row] = temp_b;
+        }
 
-          // 消元
-          for (i = k + 1; i < 3; i++) {
-              double factor = a[i][k] / a[k][k];
-              for (j = k; j < 3; j++) {
-                  a[i][j] -= factor * a[k][j];
-              }
-              b[i] -= factor * b[k];
-          }
-      }
+        // 消元
+        for (i = k + 1; i < 3; i++) {
+            double factor = a[i][k] / a[k][k];
+            for (j = k; j < 3; j++) {
+                a[i][j] -= factor * a[k][j];
+            }
+            b[i] -= factor * b[k];
+        }
+    }
 
-      // 回代求解
-      coeff[2] = b[2] / a[2][2];
-      for (i = 1; i >= 0; i--) {
-          double sum = 0.0;
-          for (j = i + 1; j < 3; j++) {
-              sum += a[i][j] * coeff[j];
-          }
-          coeff[i] = (b[i] - sum) / a[i][i];
-      }
+    // 回代求解
+    coeff[2] = b[2] / a[2][2];
+    for (i = 1; i >= 0; i--) {
+        double sum = 0.0;
+        for (j = i + 1; j < 3; j++) {
+            sum += a[i][j] * coeff[j];
+        }
+        coeff[i] = (b[i] - sum) / a[i][i];
+    }
 }
diff --git a/src/ui/coefficientselectionform.h b/src/ui/coefficientselectionform.h
index c5ae511..a56dad1 100644
--- a/src/ui/coefficientselectionform.h
+++ b/src/ui/coefficientselectionform.h
@@ -26,7 +26,10 @@ private slots:
     void on_pushButtonConfirm_clicked();
     void on_pushButtonExit_clicked();
 private:
+    // 立方拟合
     void cubicLeastSquaresFit(double x[], double y[], int n, double coeff[4]);
+    // 平方拟合
+    void quadraticLeastSquaresFit(double x[], double y[], int n, double coeff[]);
 
     QString _jsonStr;
     Ui::CoefficientSelectionForm *ui;
diff --git a/src/ui/enthalpydatacorrectionform.cpp b/src/ui/enthalpydatacorrectionform.cpp
index 9cc6063..5b6e9b4 100644
--- a/src/ui/enthalpydatacorrectionform.cpp
+++ b/src/ui/enthalpydatacorrectionform.cpp
@@ -31,112 +31,130 @@ EnthalpyDataCorrectionForm::~EnthalpyDataCorrectionForm()
 void EnthalpyDataCorrectionForm::on_pushButtonSave_clicked()
 {
     if(ui->checkBoxC6H12->isChecked()){
-        float theory = ui->lineEditTheoryC6H12->text().toFloat();
-        float measure = ui->lineEditMeasC6H12->text().toFloat();
+        double temperature = ui->labelTempC6H12->text().toDouble();
+        double theory = ui->lineEditTheoryC6H12->text().toDouble();
+        double measure = ui->lineEditMeasC6H12->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxHg->isChecked()){
-        float theory = ui->lineEditTheoryHg->text().toFloat();
-        float measure = ui->lineEditMeasHg->text().toFloat();
+        double temperature = ui->labelTempHg->text().toDouble();
+        double theory = ui->lineEditTheoryHg->text().toDouble();
+        double measure = ui->lineEditMeasHg->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxC6H5COOH->isChecked()){
-        float theory = ui->lineEditTheoryC6H5COOH->text().toFloat();
-        float measure = ui->lineEditMeasC6H5COOH->text().toFloat();
+        double temperature = ui->labelTempC6H5COOH->text().toDouble();
+        double theory = ui->lineEditTheoryC6H5COOH->text().toDouble();
+        double measure = ui->lineEditMeasC6H5COOH->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxIn->isChecked()){
-        float theory = ui->lineEditTheoryIn->text().toFloat();
-        float measure = ui->lineEditMeasIn->text().toFloat();
+        double temperature = ui->labelTempIn->text().toDouble();
+        double theory = ui->lineEditTheoryIn->text().toDouble();
+        double measure = ui->lineEditMeasIn->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxSn->isChecked()){
-        float theory = ui->lineEditTheorySn->text().toFloat();
-        float measure = ui->lineEditMeasSn->text().toFloat();
+        double temperature = ui->labelTempSn->text().toDouble();
+        double theory = ui->lineEditTheorySn->text().toDouble();
+        double measure = ui->lineEditMeasSn->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxBi->isChecked()){
-        float theory = ui->lineEditTheoryBi->text().toFloat();
-        float measure = ui->lineEditMeasBi->text().toFloat();
+        double temperature = ui->labelTempBi->text().toDouble();
+        double theory = ui->lineEditTheoryBi->text().toDouble();
+        double measure = ui->lineEditMeasBi->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxKC1O3->isChecked()){
-        float theory = ui->lineEditTheoryKC1O3->text().toFloat();
-        float measure = ui->lineEditMeasKC103->text().toFloat();
+        double temperature = ui->labelTempKC1O3->text().toDouble();
+        double theory = ui->lineEditTheoryKC1O3->text().toDouble();
+        double measure = ui->lineEditMeasKC103->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxPb->isChecked()){
-        float theory = ui->lineEditTheoryPb->text().toFloat();
-        float measure = ui->lineEditMeasPb->text().toFloat();
+        double temperature = ui->labelTempPb->text().toDouble();
+        double theory = ui->lineEditTheoryPb->text().toDouble();
+        double measure = ui->lineEditMeasPb->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxKNO3->isChecked()){
-        float theory = ui->lineEditTheoryKNO3->text().toFloat();
-        float measure = ui->lineEditMeasKNO3->text().toFloat();
+        double temperature = ui->labelTempKNO3->text().toDouble();
+        double theory = ui->lineEditTheoryKNO3->text().toDouble();
+        double measure = ui->lineEditMeasKNO3->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxZn->isChecked()){
-        float theory = ui->lineEditTheoryZn->text().toFloat();
-        float measure = ui->lineEditMeasZn->text().toFloat();
+        double temperature = ui->labelTempZn->text().toDouble();
+        double theory = ui->lineEditTheoryZn->text().toDouble();
+        double measure = ui->lineEditMeasZn->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxAg2SO4->isChecked()){
-        float theory = ui->lineEditTheoryAg2SO4->text().toFloat();
-        float measure = ui->lineEditMeasAg2SO4->text().toFloat();
+        double temperature = ui->labelTempAg2SO4->text().toDouble();
+        double theory = ui->lineEditTheoryAg2SO4->text().toDouble();
+        double measure = ui->lineEditMeasAg2SO4->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxCsCl->isChecked()){
-        float theory = ui->lineEditTheoryCsC1->text().toFloat();
-        float measure = ui->lineEditMeasCsCl->text().toFloat();
+        double temperature = ui->labelTempCsC1->text().toDouble();
+        double theory = ui->lineEditTheoryCsC1->text().toDouble();
+        double measure = ui->lineEditMeasCsCl->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxSiO2->isChecked()){
-        float theory = ui->lineEditTheorySiO2->text().toFloat();
-        float measure = ui->lineEditMeasSiO2->text().toFloat();
+        double temperature = ui->labelTempSiO2->text().toDouble();
+        double theory = ui->lineEditTheorySiO2->text().toDouble();
+        double measure = ui->lineEditMeasSiO2->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxK2SO4->isChecked()){
-        float theory = ui->lineEditTheoryK2SO4->text().toFloat();
-        float measure = ui->lineEditMeasK2SO4->text().toFloat();
+        double temperature = ui->labelTempK2SO4->text().toDouble();
+        double theory = ui->lineEditTheoryK2SO4->text().toDouble();
+        double measure = ui->lineEditMeasK2SO4->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxK2CrO4->isChecked()){
-        float theory = ui->lineEditTheoryK2CrO4->text().toFloat();
-        float measure = ui->lineEditMeasK2CrO4->text().toFloat();
+        double temperature = ui->labelTempK2CrO4->text().toDouble();
+        double theory = ui->lineEditTheoryK2CrO4->text().toDouble();
+        double measure = ui->lineEditMeasK2CrO4->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxBaCO3->isChecked()){
-        float theory = ui->lineEditTheoryBaCO3->text().toFloat();
-        float measure = ui->lineEditMeasBaCO3->text().toFloat();
+        double temperature = ui->labelTempBaCO3->text().toDouble();
+        double theory = ui->lineEditTheoryBaCO3->text().toDouble();
+        double measure = ui->lineEditMeasBaCO3->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxAg->isChecked()){
-        float theory = ui->lineEditTheoryAg->text().toFloat();
-        float measure = ui->lineEditMeasAg->text().toFloat();
+        double temperature = ui->labelTempAg->text().toDouble();
+        double theory = ui->lineEditTheoryAg->text().toDouble();
+        double measure = ui->lineEditMeasAg->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     if(ui->checkBoxCu->isChecked()){
-        float theory = ui->lineEditTheoryCu->text().toFloat();
-        float measure = ui->lineEditMeasCu->text().toFloat();
+        double temperature = ui->labelTempCu->text().toDouble();
+        double theory = ui->lineEditTheoryCu->text().toDouble();
+        double measure = ui->lineEditMeasCu->text().toDouble();
 
-        _theoryDataVtr.push_back({theory,theory/measure});
+        _theoryDataVtr.push_back({temperature,theory/measure});
     }
     //
     saveJson();
@@ -153,7 +171,7 @@ void EnthalpyDataCorrectionForm::saveJson()
     QJsonArray jsonArray;
     for (const TheoryData &data : _theoryDataVtr) {
         QJsonObject jsonObj;
-        jsonObj["theory"] = data.theory;
+        jsonObj["temperature"] = data.temperature;
         jsonObj["rate"] = data.rate;
         jsonArray.append(jsonObj);
     }
diff --git a/src/ui/enthalpydatacorrectionform.h b/src/ui/enthalpydatacorrectionform.h
index 9e93f25..2841e82 100644
--- a/src/ui/enthalpydatacorrectionform.h
+++ b/src/ui/enthalpydatacorrectionform.h
@@ -23,8 +23,8 @@ private:
     void saveJson();
 private:
     struct TheoryData{
-        float theory;
-        float rate;
+        double temperature;
+        double rate;
     };
     QVector<TheoryData> _theoryDataVtr;
 
diff --git a/src/ui/enthalpydatacorrectionform.ui b/src/ui/enthalpydatacorrectionform.ui
index 0a26eb2..6b0ed81 100644
--- a/src/ui/enthalpydatacorrectionform.ui
+++ b/src/ui/enthalpydatacorrectionform.ui
@@ -59,7 +59,7 @@
      </widget>
     </item>
     <item row="13" column="3">
-     <widget class="QLabel" name="label_36">
+     <widget class="QLabel" name="labelTempSiO2">
       <property name="text">
        <string>573.0</string>
       </property>
@@ -69,7 +69,7 @@
      <widget class="QLineEdit" name="lineEditTheoryKC1O3"/>
     </item>
     <item row="7" column="3">
-     <widget class="QLabel" name="label_30">
+     <widget class="QLabel" name="labelTempKC1O3">
       <property name="text">
        <string>299.5</string>
       </property>
@@ -93,7 +93,7 @@
      </widget>
     </item>
     <item row="12" column="3">
-     <widget class="QLabel" name="label_35">
+     <widget class="QLabel" name="labelTempCsC1">
       <property name="text">
        <string>476.0</string>
       </property>
@@ -114,7 +114,7 @@
      </widget>
     </item>
     <item row="8" column="3">
-     <widget class="QLabel" name="label_31">
+     <widget class="QLabel" name="labelTempPb">
       <property name="text">
        <string>327.4</string>
       </property>
@@ -127,7 +127,7 @@
      <widget class="QLineEdit" name="lineEditMeasC6H12"/>
     </item>
     <item row="11" column="3">
-     <widget class="QLabel" name="label_34">
+     <widget class="QLabel" name="labelTempAg2SO4">
       <property name="text">
        <string>430.0</string>
       </property>
@@ -157,7 +157,7 @@
      </widget>
     </item>
     <item row="15" column="3">
-     <widget class="QLabel" name="label_38">
+     <widget class="QLabel" name="labelTempK2CrO4">
       <property name="text">
        <string>665.0</string>
       </property>
@@ -205,7 +205,7 @@
      </widget>
     </item>
     <item row="5" column="3">
-     <widget class="QLabel" name="label_29">
+     <widget class="QLabel" name="labelTempSn">
       <property name="text">
        <string>231.9</string>
       </property>
@@ -219,7 +219,7 @@
      </widget>
     </item>
     <item row="3" column="3">
-     <widget class="QLabel" name="label_9">
+     <widget class="QLabel" name="labelTempC6H5COOH">
       <property name="text">
        <string>122.1</string>
       </property>
@@ -246,7 +246,7 @@
      <widget class="QLineEdit" name="lineEditMeasSiO2"/>
     </item>
     <item row="16" column="3">
-     <widget class="QLabel" name="label_39">
+     <widget class="QLabel" name="labelTempBaCO3">
       <property name="text">
        <string>810.0</string>
       </property>
@@ -292,7 +292,7 @@
      </widget>
     </item>
     <item row="14" column="3">
-     <widget class="QLabel" name="label_37">
+     <widget class="QLabel" name="labelTempK2SO4">
       <property name="text">
        <string>583.0</string>
       </property>
@@ -306,7 +306,7 @@
      </widget>
     </item>
     <item row="9" column="3">
-     <widget class="QLabel" name="label_32">
+     <widget class="QLabel" name="labelTempKNO3">
       <property name="text">
        <string>334.0</string>
       </property>
@@ -323,7 +323,7 @@
      </widget>
     </item>
     <item row="1" column="3">
-     <widget class="QLabel" name="label_7">
+     <widget class="QLabel" name="labelTempC6H12">
       <property name="text">
        <string>-86.0</string>
       </property>
@@ -377,7 +377,7 @@
      </widget>
     </item>
     <item row="17" column="3">
-     <widget class="QLabel" name="label_40">
+     <widget class="QLabel" name="labelTempAg">
       <property name="text">
        <string>961.8</string>
       </property>
@@ -407,7 +407,7 @@
      <widget class="QLineEdit" name="lineEditMeasKC103"/>
     </item>
     <item row="6" column="3">
-     <widget class="QLabel" name="label_28">
+     <widget class="QLabel" name="labelTempBi">
       <property name="text">
        <string>271.4</string>
       </property>
@@ -421,7 +421,7 @@
      </widget>
     </item>
     <item row="18" column="3">
-     <widget class="QLabel" name="label_41">
+     <widget class="QLabel" name="labelTempCu">
       <property name="text">
        <string>1083.0</string>
       </property>
@@ -452,7 +452,7 @@
      <widget class="QLineEdit" name="lineEditMeasHg"/>
     </item>
     <item row="10" column="3">
-     <widget class="QLabel" name="label_33">
+     <widget class="QLabel" name="labelTempZn">
       <property name="text">
        <string>419.5</string>
       </property>
@@ -506,7 +506,7 @@
      <widget class="QLineEdit" name="lineEditMeasCsCl"/>
     </item>
     <item row="2" column="3">
-     <widget class="QLabel" name="label_26">
+     <widget class="QLabel" name="labelTempHg">
       <property name="text">
        <string>-38.8</string>
       </property>
@@ -553,7 +553,7 @@
      </widget>
     </item>
     <item row="4" column="3">
-     <widget class="QLabel" name="label_27">
+     <widget class="QLabel" name="labelTempIn">
       <property name="text">
        <string>156.6</string>
       </property>