减压膜蒸馏技术对含铬溶液的分离效果，以及分离过程中膜通量、截留率随实验操作因素变化的规律的认识；
The experimental research of the separation of chromium aqueous solution by VMD technology, especially the effects of operation conditions on membrane flux and chromium rejection.
《物理化学》中的稀溶液沸点升高与《有机化学实验》中的水蒸汽蒸馏看似矛盾，实质上是它们的原理不同。
The boiling point rise of dilute solution in physical chemistry seems to contradict with vapor distillation in experiment of organic chemistry. Actually, they are of different principles.
在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品，逸出的氨被吸收后通过酸碱滴定测定其含量。
The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.
用蒸馏水或乙醇水溶液抽提试样中的水溶性酸或碱，然后用酸度计或指示剂对抽提物进行测定。
It USES distilled water and alcohol to refine water soluble acid and alkali of sample and then test the extractive with PH indicator.
研究取消饱和硫化氢溶液的蒸馏单甘酯重金属限量试验的最佳方法。
The aim was to research an optimum method without saturated hydrogen sulfide solution for limit test of heavy metals in distilled monoglycerides.
介绍了以甲醇钠甲醇溶液与氯仿为原料，采用共沸蒸馏法制备原甲酸三甲酯的改进工艺。
An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author.
采用直接接触式膜蒸馏方法研究了热敏性物质青霉素水溶液浓缩过程的可行性及操作条件对浓缩过程的影响。
The feasibility of concentration of benzylpenicillin sodium solution and the effect of operation condition on concentration process by membrane distillation were studied.
菌核在0.05%葡萄糖溶液、蒸馏水、水琼脂上均可萌发，以0.05%葡萄糖溶液萌发最好。
Sclerotia could germinate in 0.05% glucose solution, distilled water and water agar, and the germination percentage is the highest in 0.05% glucose solution.
本文以稀甲醇水溶液为实验物系，研究了易挥发溶质水溶液膜蒸馏过程的传质和传热性能。
The performance of mass and heat transfer in membrane distillation was investigated with a system of aqueous solution containing more volatile solute (methanol).
然后，将切片泡入去离子化的蒸馏水中，其中水的量与样品中的粉末等重。再测混合溶液的导电性。
Then, the slice was mixed with a quantity of deionized, distilled water equal in mass to the powder in the sample, and the electric conductivity was measured.
介绍了一种不同于传统的把石油体系看作分子溶液的理论，认为石油是一种胶体分散体系，并对基于这种理论的原油强化蒸馏的机理进行了概括。
A new concept that the petroleum system was thought as a colloid disperse, instead of a molecular solution as that in traditional conception, was introduced in this article.
蒸馏衩收集在酸性溶液中，再利用中和滴定进行测定。
The librated ammonium is distilled, collected in an acidic solution, and determined by a neutralization titration .
溶液减压蒸馏，在残留物中加入100毫升水和12毫升醋酸。
The solvent was evaporated under reduced pressure and water (100 ml) and acetic acid (12 ml) were added to the residue.
这个电池充满一个65%的混合蒸馏水和35%硫酸或电解质溶液中。
The battery cells are filled with a mixture of 65% distilled water and 35% sulphuric acid or electrolyte solution.
本文进行了气体渗透实验、蒸馏水的VMD实验及含铬水溶液的VMD实验。
Air permeation experiment, VMD of distilled water and VMD of solution containing Cr3 + are carried out.
考察了产物对蒸馏水、食盐溶液以及模拟尿的吸液能力、吸液速率和保水能力等性能。
The authors also investigate such properties as liquid absorbability, absorption rate, water retention of the product to distilled water, salt solution and imit…
利用蒸馏水标校测量系统等效的吸声系数，采用已知浓度的硫酸镁溶液来标校测量系统的测量精度。
The equivalent sound absorption coefficient of the system can be calibrated by the distilled water. The accuracy of the system can be gotten by the magnesium sulfate solutions of known concentration.
摘要实验证明甲醛法测定铵盐含量，只要准确测定出较正因子对结果加以校正，是能够直接使用未经蒸馏去除甲醇的甲醛溶液而测定结果不存在显著差异，本方法简单、快速。
A rapid , simple method has been developed for determination of ammonium perchlorite by using formaldehyde . this experiment proved that this method saved measuring time , raised speed and efficiency.
其制备过程包括如下步骤：1）用蒸馏水配制质量体积比为3-20%浓度的单宁溶液；
The preparation process comprises the following steps: 1), preparing tannin solution at a mass-volume concentration of 3 to 20 percent with distilled water;
其制备过程包括如下步骤：1）用蒸馏水配制质量体积比为3-20%浓度的单宁溶液；
The preparation process comprises the following steps: 1), preparing tannin solution at a mass-volume concentration of 3 to 20 percent with distilled water;
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