用量

Effect of reaction parameters such as temperature, propylene pressure, time, catalyst amount etc.

考察了反应温度、丙烯压力、催化剂用量、反应时间等反应参数的影响，找到了较佳的丙烯环氧化反应条件。

The results showed that the best effect is obtained with 1.6% protease when treating for 40 min.

实验结果表明，蛋白酶用量为1.6%，时间为40 min的处理工艺，对纤维的处理效果最好。

Prussiate applies circularly, make soak loop can be in prussiate moves below taller dosage, raise soak rate of gold thereby, reduce copper the deposition in golden electrodeposition.

氰化物循环应用，使浸出回路可以在氰化物较高用量下运行，从而提高金的浸出率，降低铜在金电积中的沉积量。

Commodity pureness and computing method for tracer dosage with effective trace substance content has been established.

同时也提出了商品纯度及有效示踪物质含量的示踪化学剂用量的计算方法。

Amino to acetyl phenol, in have technology of two kinds of production domestic and internationally, acetic anhydride craft of the United States, acyl changes temperature to have 75 ℃ only, acyl changes mother liquor not apply mechanically, deputy reaction is little, of production thick tasting is kind of white almost, purificatory craft is very simple, activated carbon dosage only 2~3%, the Kun that its product does not have glow material almost in different third alcohol inferior the sealed impurity of amine impurity and minim, settleclear lightness it may not be a bad idea, the product quality that acetic anhydride craft produces is good, but close rate low, cost is high.

对乙酰氨基酚，在国内外有两种生产工艺，美国的醋酐工艺，酰化温度只有75℃，酰化母液不套用，副反应少，生产的粗品几乎是类白色，精制工艺就非常简单，活性炭用量仅2~3%，其产品在异丙醇中几乎无红光物质的醌亚胺杂质及微量的未知杂质，澄明度也好，醋酐工艺生产的产品质量好，但收率低、成本高。

A kind of multifunctional and environmental friendly powder putty has been prepared based on coal ash powder and ground calcium Carbonate and so on as fillers and dry emulsion powder and cement as binder, mixed with proper powder additives and other auxiliaries.

以乳胶粉、水泥为粘结料，粉煤灰、重质碳酸钙、石英砂等为填充料，配以适当的粉末状助剂，制得了一种粉末腻子；探讨了乳胶粉、纤维素醚、水泥、粉煤灰以及复合填料的用量对粉末腻子性能的影响，优化出较佳的粉末腻子配方；测试了粉末腻子的理化性能。

The high cost of powder flexible putty results in the high cost of the admixed latex powder that contains unbonding talcum powder and powdered whiting, besides fulfilling the performance of powder flexible putty requires high content of latex p.

粉状柔性腻子产品成本较高的原因是乳胶粉的成本高，除了直接成本外，乳胶粉中还含有一定量无胶结性能的滑石粉、重质碳酸钙等，使之用量必须很高才能满足性能需要；适合柔性腻子的产品类型是由液料和粉料组成的双组分腻子，该类腻子在满足JG158—2004标准要求的情况下，具有合理的成本，完全能够为市场接受。

The most important factor that affects the amount of essential oil and alcohol extractsin the pyrolusite-...

结论火候、无名异和醋的用量是影响无名异制乳香中挥发油含量和醇提取物量的重要因素。

The effects of reaction temperature, pyrolusite dosage, initial concentration of caramel and sulphuric acid on the decolorizing rate of caramel were investigated.

结果表明，焦糖色素的降解脱色速率随焦糖色素初始浓度、硫酸浓度、软锰矿用量和反应温度的增加而增加。

Thus, the optimum synthesizing condition was found here, namely input material ratio 3 to 1, reaction temperature 67℃, and reaction time 3 hours. The hydrolysis process of the pyrophosphate byproduct, which is brought by phosphating reaction, is also discussed well in this paper and the full hydrolysis condition of pyrophosphate is obtained finally.

论文对副产物焦磷酸酯的水解反应进行了研究，得到了焦磷酸酯完全水解的条件：水解温度为80℃、水的用量为4%、水解时间为12小时，解决了因焦磷酸酯存在而造成的对磷酸化反应产物分析困难的问题。

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。