查询词典 chemical method

Canonical ensemble Monte Carlo simulations have been carried out to get the chemical potentials of the mixture of nitrogen and benzene by the Widom test particle method.

用正则系综测试粒子MonteCarlo方法模拟常温下空气及其污染物微量有机物的混合物中各组分的化学势。

The phase equilibrium of linear molecule,ethane,has been simulated by using the NVT canonical ensemble Monte Carlo method,and the thermodynamic properties of the system including chemical potentials ?temperature?density?pressure,etc.

用恒NVT正则系综MonteCarlo方法模拟线形分子—乙烷的相平衡，得出化学势、温度、密度、压力等热力学数据。

Free carboxyl group was determined by the wet chemical analysis method, acid-base titration, in this paper.

在几种测定方法—氢氧化钠直接滴定法、氢氧化钠反滴定法、醋酸钙法中，醋酸钙法较好。

Methods:To develop the HPLC method for determination of Thymol and Carvacrol ,and compare the physico-chemical property.

高效液相色谱法测定百里香酚和香芹酚的含量，比较理化性质。

Objective: To establish a method for determining the content of primary chemical constituents in the leaves of Cassia angustifolia.

目的：建立番泻叶中主要化学成分的含量测定方法。

Objective: To establish a method for determining the content of primary chemical constituents in the leaves of Cassia angustifolia .

中文摘要：目的：建立番泻叶中主要化学成分的含量测定方法。

Wherein, the chemical formula of said compound is γ-HaKbNac(H2O)dNixM1-XO2 and the method comprises that mixing the nickel salt solution and at least one metal salt solution to attain the solution A; preparing caustic soda or caustic potash solution and adding sodium carbonate or potassium carbonate to attain the solution B; preparing the ammonia solution C; reacting the A, B, and C, processing the solid-liquid separation to attain the ball α nickel hydroxide; reacting with the oxidant in the solution of caustic soda or caustic potash to attain the black solid-liquid mixture and processing the solid-liquid separation to attain the ball γ hydroxyl nickel oxide.

其化学表达式为γ-HaKbNac(H2O)dNixM1-XO2，将镍盐溶液与至少一种金属盐溶液混合得溶液A，配制氢氧化钠或氢氧化钾溶液，加入碳酸钠或碳酸钾得溶液B；配制氨水溶液C；将A、B、C反应，固液分离，得球形α氢氧化镍；在氢氧化钠或氢氧化钾溶液中与氧化剂反应，得黑色固液混合物，再固液分离，得球形γ羟基氧化镍。

Hydrodynamic cavitation is a new method of energy use due to its ability to enhance chemical processes.

利用空化释放出的能量对过程进行强化，是一种新的能量利用方法。

It is proved that the method of selection modificators by chemical bond parameter is suitable to the study of Cr cast iron.

证明了用键参数函数选择变质剂的方法也适用于中铬铸铁的研究。

The original method of balancing chemical reaction equation s is improved by using the basic theorem of a system of linear equation.

利用线性方程组的基本理论对现有的配平化学方程式的方法———线性代数法加以改进，通过增加一行元素，将电子表征向量体现出来，使之适用于一切化学反应方程式的配平。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。