考察

A new method was proposed by imposing a rotating electromagnetic field during horizontal continuous casting of thin-walled cupronickel tube billets. The effects of electromagnetic field on the surface quality, solidification structure and mechanical properties were investigated experimentally by use of BFe10-1-1 alloy.

摘 要：为获得高质量的薄壁白铜管坯，提出了在水平连铸过程中施加旋转电磁场的管坯连铸新方法，并采用BFe10-1-1合金进行实验，考察了电磁场对白铜管坯表面质量、凝固组织和力学性能的影响。

The influence of reaction time and current density on growing of coatings was investigated.

考察了反应时间和电流密度对生成氧化物膜层的影响。

The influence of high density pulse electric current on solidified structure of aluminum was studied.

研究高密度脉冲电流作用下纯铝凝固组织的变化，考察放电能量对晶粒尺寸的影响。

The influencing factors of degradation by current density, concentration of electrolyte, system temperature and pH are investigated.

考察了电流密度、电解质浓度、体系反应温度及pH值对废水降解效率的影响。

We have to consider the lines of force cutting that part of the plane which has the wire for a rim.

如图所示，有些力线通过线圈所围成的圆，我们必须考察通过线圈所围住的那部分平面的力线。

Curing process of the binary blends consisting of different amount of cyanate ester and epoxy resin was studied by the means of differential scanning calorimetry and Fourier transform infrared analysis.

采用DSC和FTIR研究了氰酸酯树脂/环氧树脂共混体系的固化行为，考察了环氧树腊含量对体系的固化动力学参数的影响。

Experimental study on extraction of gold and silver from the carbonaceous silver concentrate By cyanidation—ferric salt oxidizing process

利用KClO3作氧化剂，对银精矿进行氧化预处理，考察盐酸浓度、氧化剂加入量、亚硫酸钠浓度和浸出时间对银浸出率的影响，在盐酸3。

Using cyanidation method to leach gold from smelting slags .

采用氰化法提取冶炼尾渣中的金，采用单因素和正交试验考察各因素对金浸出的影响。

In this paper, melamine phosphate and melamine cyanurate were prepared in solvent. The effect of reaction temperature, time, and material ratio on each reaction was discussed.

本文采用溶剂法分别合成了高质量的磷酸三聚氰胺及氰尿酸三聚氰胺，考察了不同的反应温度、时间、投料摩尔比等对各自反应的影响。

From cultural perspective, cyberculture is characterized by being democratic, pervasive, uncontrollable and international.

从文化学的角度考察，网络文化具有民主性、渗透性、不可控制性和国际性等鲜明的特点，它一方面有利于激活大学生的创新意识，便于学生协调学习，有利于开阔大学生的知识视野、节约学习时间，另一方面也易导致网络上瘾、信息污染、文化扩张和人际淡化。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。