查询词典 chemical method

The control volume integration was applied to deduce the discrete expressions of the convection-diffusion equations. The staggered grid and SIMPLE algorithm were introduced to deal with coupling between pressure and velocity, and then the numerical computation expressions of such variables as fluid flow velocity and pressure were deduced. Using the backward difference method and incremental theory to discretize the governing equations for fields of chemical reaction, material structure and chemorheology, the numerical computation expressions of variables such as the monomer conversion, average molecular weight and fluid viscosity were constructed.

应用控制容积积分法导出了对流—扩散方程的离散表达式，引入交错网格技术与SIMPLE算法，实现了耦合的压力场与速度场的分离式求解，推导得到了流体的流动速度、压力等物理量的数值计算式；采用向后差分方法和增量方法，实现了化学反应场、材料结构场、化学流变场控制方程的离散，获得了反应转化率、聚合物平均相对分子质量、流体黏度等物理量的数值计算式。

A new method for balancing chemical equation s by matrixing was proposed.

提出了一种通过矩阵变换配平化学方程式的方法，根据这种方法配平了复杂的化学方程式，并对该方法有关的优点进行了讨

The accurate content of benzimidazole derivative could be obtained by the traditional chemical titration method.

初步确定影响分析结果的杂质为未完全反应的原料之一邻苯二胺。

On the present situation in China, it is a good method to extract uranium from bittern chemical resources in order to solve the problems of lack of uranium resources and environmental protection.

在地球资源日益缺乏的今天，陆地的资源越来越少，如何充分开发利用海洋中的资源将是现在和未来的一个重要课题。

Gelatin-microsphere was prepared by emulsion chemical-crossline technique. With the hydrolytic agent of citric acid, the effect of different hydrolyzed time, temperature and pH on the gelatin hydrolyzing degree and GMS was studied by the method of biuret.

采用乳化交联法制备明胶微球，以柠檬酸为水解促进剂，利用双缩脲法研究了反应时间、温度及pH值对GMS及明胶水解程度的影响。

Methods: Adopting pig bile culture medium, the inhibiting or killing effects on pig bladder worm in vitro were observed;by using the methods of xylene-induced ear inflammation in mice and granuloma swelling induced by cotton ball in rats, the effects of anti-inflammation were observed;by using the methods of body twisting and hot-plate in mice, the effects of analgesia were observed. Through the mice auricle microcycle, the rats thrombus law in vitro and bleeding time, clotting time determination to the mice, the function of invigorating the blood were observed;adopting the penicillin abdominal cavity injection method, the mice epilepsy model were prepared, and epilepsy mice brain organization MDA content and SOD, ATPase vigor be measured by using chemical colorimetry.

利用猪胆汁培养基观察该方在体外对猪囊尾蚴的抑制或杀灭作用；采用二甲苯所致小鼠耳肿胀法、大鼠棉球肉芽肿法以观察该方的抗炎作用；采用热板法和化学刺激扭体法观察该方的镇痛效果；通过小鼠耳廓微循环法、大鼠体外血栓法和对小鼠出、凝血时的测定观察该方的活血作用；采用青霉素腹腔注射法制备小鼠癫痫模型，并利用化学比色法检测癫痫小鼠脑组织中MDA的含量及SOD、ATPase的活力。

Bounding surface separation has been selected as the most suitable method for middlings processing, by means of study on crystal structure, physical properties, chemical properties, existing state and disintegration degree of the middlings constituents.

通过对中煤各组成成分的晶体结构、物理性质、化学性质、赋存状态、解离程度等性质的研究，确定了界面分选为适合于中煤洗选深加工的主要方法。

In this study, two kinds of chemical composite single crystals , Ni〓Al and Ni〓Al+B, were grown by Bridgman method.

Ni〓Al中复杂的晶体缺陷，反常的屈服行为以及单向变形行为对晶体取向和温度的强烈依赖性，使得其在循环载荷的作用下将具有更为复杂的行为。

The proposed method has been applied in determining of trace bromate in chemical reagents with satisfactory results.

用于化学试剂中溴酸根离子的测定，结果满意。

This paper focuses on the fabrication of the film by the method of hot wire assistance chemical vapor deposition.

本文主要研究了热丝辅助裂解电阻蒸发法制备该薄膜的制备工艺，并采用红外、质谱和热重等分析方法对薄膜的成分进行初步分析。

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％。