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Update app.py
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app.py
CHANGED
@@ -757,116 +757,92 @@ class HydroCalculator:
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calc.add_fertilizer("Кальциевая селитра", 100) # 100 г
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calc.add_fertilizer("Сульфат магния", 50) # 50 г
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# Выводим отчёт
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calc.print_report()
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def optimize_manual(calculator, target_ppm, max_iter=100):
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"""Грубый подбор масс удобрений под целевой состав."""
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current_ppm = calculator.calculate_ppm()
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fertilizers = calculator.fertilizers.copy()
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for _ in range(max_iter):
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adjusted = False
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for i, (name, grams) in enumerate(fertilizers):
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for element, target in target_ppm.items():
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current = current_ppm.get(element, 0)
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if current < target:
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# Увеличиваем массу удобрения, содержащего этот элемент
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if element in fertilizers_db[name]:
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fertilizers[i] = (name, grams * 1.05) # +5%
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adjusted = True
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if not adjusted:
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break
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calculator.fertilizers = fertilizers
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current_ppm = calculator.calculate_ppm()
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return calculator
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target = {"N (NO3-)": 150, "Ca": 200, "Mg": 50}
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calc = HydroCalculator(10)
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calc.add_fertilizer("Кальциевая селитра", 1) # Начальное приближение: 1 г
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calc.add_fertilizer("Сульфат магния", 1)
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optimize_manual(calc, target)
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calc.print_report()
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# Молярные массы (г/моль)
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MOLAR_MASSES = {
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'N (NO3-)': 62.0, # NO3⁻
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'N (NH4+)': 18.0, # NH4⁺
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'K': 39.1,
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'Ca': 40.1,
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'Mg': 24.3,
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'S': 96.1, # SO4²⁻
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'P': 95.0, # H2PO4⁻
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}
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# Молярная проводимость (λ₀) в мкСм·см²/моль
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ION_CONDUCTIVITY = {
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'N (NO3-)': 71.4,
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'N (NH4+)': 73.5,
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'K': 73.5,
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'Ca': 119.0,
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'Mg': 106.0,
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'S': 160.0, # Вклад SO4²⁻
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'P': 33.0, # Вклад H2PO4⁻
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}
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def _ppm_to_molarity(self, ppm, element):
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"""Конвертирует ppm в моль/л."""
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if element not in MOLAR_MASSES:
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return 0.0
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return ppm / (MOLAR_MASSES[element] * 1000) # ppm = мг/л → моль/л
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def calculate_ec_exact(self):
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ppm = self.calculate_ppm()
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ec = 0.0 # мкСм/см
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for element, value in ppm.items():
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molarity = self._ppm_to_molarity(value, element)
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if element in ION_CONDUCTIVITY:
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ec += molarity * ION_CONDUCTIVITY[element]
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return ec / 1000 # Переводим в mS/cm
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class HydroCalculator:
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def __init__(self, volume_liters=1.0):
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self.volume = volume_liters
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self.fertilizers = []
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def add_fertilizer(self, name, grams):
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if name not in fertilizers_db:
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raise ValueError(f"Удобрение '{name}' не найдено в базе!")
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self.fertilizers.append((name, grams))
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def calculate_ppm(self):
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ppm = {}
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for name, grams in self.fertilizers:
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for element, ratio in fertilizers_db[name].items():
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ppm[element] = ppm.get(element, 0) + (grams * ratio * 1000) / self.volume
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return ppm
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def calculate_ec(self):
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"""Расчёт EC по упрощённым коэффициентам"""
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ppm = self.calculate_ppm()
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ec = 0.0
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EC_COEFFICIENTS = {
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'N (NO3-)': 0.6,
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'N (NH4+)': 0.4,
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'K': 0.7,
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'Ca': 0.75,
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'Mg': 0.6,
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'S': 0.3,
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'P': 0.1,
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}
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for element, value in ppm.items():
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if element in EC_COEFFICIENTS:
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ec += value * EC_COEFFICIENTS[element]
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return ec / 1000 # Переводим в mS/cm
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def calculate_ec_exact(self):
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"""Точный расчёт EC по молярной проводимости"""
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# Молярные массы (г/моль)
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MOLAR_MASSES = {
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'N (NO3-)': 62.0,
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'N (NH4+)': 18.0,
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'K': 39.1,
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'Ca': 40.1,
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'Mg': 24.3,
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'S': 96.1,
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'P': 95.0,
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}
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# Молярная проводимость (λ₀) в мкСм·см²/моль
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ION_CONDUCTIVITY = {
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'N (NO3-)': 71.4,
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'N (NH4+)': 73.5,
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'K': 73.5,
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'Ca': 119.0,
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'Mg': 106.0,
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'S': 160.0,
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'P': 33.0,
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}
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ppm = self.calculate_ppm()
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ec = 0.0 # мкСм/см
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for element, value in ppm.items():
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if element in MOLAR_MASSES:
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molarity = value / (MOLAR_MASSES[element] * 1000) # ppm → моль/л
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if element in ION_CONDUCTIVITY:
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ec += molarity * ION_CONDUCTIVITY[element]
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return ec / 1000 # Переводим в mS/cm
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def print_report(self):
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ppm = self.calculate_ppm()
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ec_simple = self.calculate_ec()
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ec_exact = self.calculate_ec_exact()
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print("\nРезультаты расчёта:")
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print("-" * 40)
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for element, value in ppm.items():
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print(f"{element}: {value:.2f} ppm")
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print("-" * 40)
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print(f"EC (упрощённый): {ec_simple:.2f} mS/cm")
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print(f"EC (точный): {ec_exact:.2f} mS/cm")
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print("-" * 40)
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