But plant cultivation in either a water-based nutrient solution, shown here, or a nutrient-rich mist enables water to be almost completely conserved.

但这些植物，如图示，栽培在营养溶液中，或者在富含营养的水雾中，这样可以确保水几乎不流失。

The suitable nutrient solution formula was calculated according to the water quality in Beijing.

根据对主要大量元素的实际吸收情况,推算网纹甜瓜合适的营养液配方.

Pot experiments were carried out to study the optimal prescription of macroelements in nutrient solution for lettuce hydroponics.

采用回归分析法，通过盆栽试验，研究莴笋无土栽培营养液中大量元素的最优配方。

It extracts the nutrient solution from domestic sewage through the co-operation of solution-generating system, feeding system and cultivating system to success tray agriculture.

通过产液系统、供液系统及栽培系统的协同工作从生活污水中制取营养液在屋顶和壁上水栽培作物。

ConclusionIntervention group can significantly reduce the nutrient solution due to the input caused by upper limb pain, and improved patient satisfaction.

结论观察组能明显减轻因营养液输入所致的上肢疼痛，提高病人满意度。

The MDA, proline and total soluble sugar content in cucumber seedling leaves grown in the nutrient solution containing different lead concentrations were studied.

以黄瓜幼苗为材料，进行不同浓度的铅处理，研究其叶片丙二醛、脯氨酸和可溶性总糖含量的变化情况。