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In view of the reality that the low industrial concentration has currently been the obvious problem of constraining China's iron and steel industry development,the article,analyzing the market performance as a starting point for the analysis of industrial concentration,makes an empirical analysis on the market performance of China's iron and steel industry with the factorization method.

针对当前较低的产业集中度已经成为制约我国钢铁业发展的突出问题这一现实，文章以考察钢铁业的市场绩效作为研究产业集中度的切入点，运用因子分析技术对钢铁业的市场绩效进行了实证研究。

The influence of the concentration of iodine and sulphur dioxide in the Karl-Fischer reagent and formamide concentration in the electrolyte on the reaction rate is investigated.

本文研究了卡尔·费休试剂中碘、二氧化硫和电解液中甲酰胺的浓度对反应速率的影响。

In addition, the effects of temperature and concentration of sulfuric acid on the concentration of LA and 5-hydroxymethyl furfural were shown.

实验考察了不同温度和硫酸浓度对葡萄糖分解的主要产物5-羟甲基糠醛和乙酰丙酸浓度的影响。

The effect of several variables such as temperature, concentration of acetic acid and initial concentration of xylose on furfural yield was studied.

考察了催化剂浓度、温度和木糖溶液初始浓度对糠醛收率的影响。

The effects of the rheological properties of low-concentration arabic gum with different concentration,shearing rate,temperature,pH and stirring time on the viscosity of gum solution was studied.

以低浓度阿拉伯树胶溶液为研究对象，考察了其流变特性及浓度、剪切速率、温度、pH、搅拌时间对溶液粘度的影响。

The results indicate that the type and concentration of the hormone has the remarkable influence on the induction of regrown shoots without roots, the different kinds of Hemerocallis middendorfii shoots without roots need different concentration of the hormone.

实验结果表明：不同浓度和种类的激素对大花萱草的生根效果不同；不同种类无根苗诱导所需的浓度也有所不同。

The kinetics of the degradation of the high-concentration wastewater from butanediol production was studied by SBR process based on a small-scale simulation of substrate concentration.

简介： 对高浓度丁二醇生产废水进行了SBR法小型模拟基质浓度降解动力学研究，求取了有关的动力学参数。

The effects of levulinic concentration and flow rate of hydrolyzate as well as column height were examined. Hydrochloric acid was used as eluent and the effect of concentration and flow rate on the elution of levulinic acid was evaluated.

在此基础上，直接利用小麦秸杆水解液研究了在装有D301树脂的固定床上的穿透曲线和洗脱曲线，考察了进样浓度、空速和树脂装柱高度对穿透曲线的影响。

In this thesis a mathematical model referring to the relationship between the case depth and carbon distribution by using a nonlinear regression. The electromagnetic characteristics in carburized materials were discussed. Results show that inductivity and magnetic inductivity depend on the carbon concentration in carburized layer. A relationship model between the electric, magnetic inductivity and carbon concentration was built.

结合渗碳材料的碳浓度和组织状态对电导率和磁导率的影响规律，建立了渗碳材料电导率和磁导率与碳浓度的关系模型，利用该模型及渗碳层深度和碳浓度分布关系的数学模型，建立了渗碳层深度与渗层电磁性能的关系，为实现对渗碳层深度的无损检测提供了可靠的理论与实验基础。

While 30μmol·〓 FRCRSFa and 10μmol·〓 E-4031 were dialysed intracellularly via the patch-pipette, FRCRSFa significantly decreased 〓 exchange current and there was no the further decrease after adding FRCRSFa in the perfused solution with the same concentration, whereas E-4031 dialysed had no effect on 〓 exchange current, but a obvious increase of it occurred when adding E-4031 to the perfused solusion with the same concentration.

分别将30μmol·〓的FRCRSFa和10μmol·〓的E-4031加入微电极内液中，FRCRSFa显著抑制了〓交换电流，当在细胞外灌流液中加入同样浓度的FRCRSFa时无进一步抑制；而胞浆内的E-4031对〓交换电流无显著作用，而在灌流液中加入同样浓度的E-4031后，却显著增强了〓交换电流。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。