用量

Sales for paint and refractory products increased, while sales for ceramics, insecticides and rubber decreased. Ceramic and refractory uses accounted for more than 70% of domestic pyrophyllite sales.

对颜料和耐火产品生产部门的销售有了提高，而对陶瓷、杀虫剂和橡胶等生产工业的销售却出现了下降，其中陶瓷和耐火材料工业用量占美国国内叶腊石销售总量的70%以上。

The combination tannage of genipin with mimosa, quebracho, chestnut and aluminum salts was investigated based on the study of reaction prop erties of genipin and collagen.

在前期对京尼平与皮胶原反应性研究的基础上，进一步考察了其与缩合类的荆树皮栲胶、水解类的栗木栲胶和铝盐的结合鞣时，各种鞣剂的用量和使用先后顺序对皮粉湿热稳定性的影响。

The High-Water-Content and Quick-Setting Materials are a new kind of cement with many unique properties: 1. high water content. 2. quick setting and strengthening. 3. long pumpability time. 4. good mechanical properties. 5. the property of re-developing strengthen after ultimate loading.

高水速凝材料是为适应煤炭开采技术的发展需要而研制出的一种新型固体胶结材料，它具有许多独特的优点：①水用量大；②速凝早强：③可泵时间长；④良好的塑性特性；⑤极限荷载后强度再发展性能。

The influences of the type and dosage of the aldehyde, organic acids, as well as the water content in the reaction system on the racemization were examined in detail, and L-Glu was racemized quickly in the presence of 0.2 molar ratio of L-Glu to salicylaldehyde in acetic acid containing 20% water.

详细考察了醛的种类及用量、羧酸溶剂的种类、反应体系的含水量对消旋化的影响，结果表明L-谷氨酸在含20%水的乙酸溶剂中，以水杨醛作为催化剂(水杨醛与L-谷氨酸的物质的量比为0.2)的优化条件下可以快速地被消旋化。

This method has feature of fewer solvents, easy operation and rapidness.

本方法具有试剂用量少，操作简便、快速等特点。

Methodsresearched the influences of solvent volume, extracting time and solvent ph value on extraction techniques for rauwolfia vomitoris afzel. with the water soluble alkaloids in extracts as index, the optimal condition by l9(34) orthogonal test was studied. the data obtained were analyzed for glm using sas 8.0 software package.

方法采用l9(34)正交实验，研究溶剂用量、提取时间、提取溶剂的ph条件3个因素对催吐萝芙木醇提工艺的影响，以提取物中的水溶性生物碱为指标，采用sas 8.0统计软件进行方差分析，得到最佳提取工艺。

The crystallinity reach its peak when the content of epoxy is 1%, with the increase of epoxy resin content, the crystallinity of nylon 11 alloy decreases.

环氧树脂用量为1％时，尼龙11共混合金体系的结晶度最大，此后随着环氧树脂的加入，尼龙11结晶度随之降低。

The influence of the value of catalyst, the reactant ratio, the reaction temperature and time were discussed.

通过对实验的总结，我们分析和讨论了催化剂用量、反应原料比例、反应温度和反应时间等因素对酯化反应及最终产品质量的影响。

The influence of the reaction time, the quantities of catalysts on the yield and quality were investigated.

研究了催化剂的用量，水醇比，反应时间对收率和质量的影响。

The effects of NaOH amount and reaction time on the phase and particle size were discussed.

讨论了氢氧化钠的用量和反应时间对相和颗粒大小的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。