查询词典 hydrochloric acid

The effect of hydrochloric acid hydrolysis of soybean cake powder and cottonseed powder under different pressure were investigated on MTGase production by Streptomyces.

研究了常压及高压条件下以豆饼粉、棉籽粉酸水解液作氮源，对链霉菌 HS-1产转谷氨酰胺酶的影响。

Chlorine and its compounds are important industrial materials with myriad uses in the manufacture of other chlorinated compounds (e.g., PVC, hydrochloric acid, ethylene di chloride , trichloroethylene, PCBs), in water purification (municipal systems, swimming pools), in textile industries, in flame retardants, in special batteries, and in food processing.

氯及其化合物广泛用作纺织业和造纸业中的漂白剂、城市供水消毒剂、家用漂白剂和杀菌剂，还用来生产许多无机化学试剂、有机化学试剂。

Any glassware to be used with the reagents should be thoroughly washed with 2M hydrochloric acid and then rinsed with distilled water or high quality deionised water.

与试剂一起使用的玻璃器皿应当用2M 盐酸充分洗涤，然后用蒸馏水或高质量的去离子水漂洗。

An oncomelania killer is prepared through preparing mother liquid A from hydrochloric acid or 50 wettable powder of nicotinani line sul fate and dechlorinated water , preparing method liquid B from raw powder extracted from Huangqieguo fruit or bardabosnut seed and dechlorinated water , proportionally mixing them together and adding dechlorinated water for different concentrations .

灭钉螺剂及其生产方法，是将盐酸或硫酸烟酰苯胺50％可湿性粉剂加去氯水配成母液，再将由黄茄果果实提取的原粉或由麻风树籽提取的原粉加去氯水配成母液，将两母液按比例混合再加不同量的去氯水配成不同浓度的灭钉螺剂。

Maize and Potato starch were treated with 2 4mol/L hydrochloric acid at 35℃ for different times.

玉米淀粉和马铃薯淀粉分别在 35℃条件下用浓度为 2 。4 mol/ L的 HCl处理不同时间，采用 X射线衍射分析、差热分析和扫描电镜等测试方法对酸解后的淀粉颗粒进行结构和性能分析。

Theresults showed that the proper time of hydrolysis was during 15 and 18 hour under the concentration of Hydrochloric acid 2mol/L.

结果表明：采用2mol/L的盐酸水解，水解的适当时间为15～18h，水解度可达到67.99%；脱色的最佳条件为：50℃条件下，pH值为3的体系中，0.25g/ml的活性炭用量吸附4h，在此条件下获得的脱色率为55.95%，氨基酸的损失率只有4.6%。

Product purpose:(1) calcium carbide (CaC2), organic synthesis of the basic raw materials, Cyanamid, chlor-alkali products, the main raw materials;(2) polyvinyl chloride, used for light industry, construction materials, agriculture, packaging, medicine , electronic equipment, cars, daily necessities;(3) caustic soda, used in paper making, leather processing and textiles;(4) hydrochloric acid, used in paper making, cleaning, rare earth, organic chemical raw materials, fuel , food leather, metallurgy and other industries;(5) lime nitrogen (CaCN2), used in the manufacture of containers of cyanide, cyanides, alkaline drug fertilizer, lime nitrogen particles, soil particles slow-release fertilizer to improve the main raw material;(6) double Cyanamid (H2CN2 2, melamine in raw materials, synthetic pharmaceuticals, dyes intermediates.

产品用途：（1）电石（CaC2），有机合成的基本原料，氰胺、氯碱类产品的主原料；（2）聚氯乙烯，用于轻工业、建筑材料、农业、包装、医药、电子设备、汽车、日用品；（3）烧碱，用于造纸、皮革加工和纺织业；（4）盐酸，用于造纸、清洗、稀土、有机化工原料、燃料、食品皮革、冶金等行业；（5）石灰氮（CaCN2），用于制造氰容器、氰化物、碱性药肥、颗粒石灰氮、土壤改良型缓释颗粒肥的主要原料；（6）双氰胺(H2CN22 ，三聚氰胺的原料，是合成医药、染料的中间体。

Products, the company has an annual generation capacity scale 2,750,000,000 kwh; annual production capacity of 400,000 tons of calcium carbide, PVC, 170,000 tons, 140,000 tons of caustic soda, hydrochloric acid 36,000 tons, 90,000 tons of lime nitrogen, Dicyandiamide 10,000 tons, Refining Dicyandiamide 01,500 tons, 4,000 tons of activated carbon.

产品 、规模公司年发电量27.5亿千瓦时；年产电石40万吨、聚氯乙烯17万吨、烧碱14万吨、盐酸3.6万吨、石灰氮9万吨、双氰胺1万吨、精制双氰胺0.15万吨、活性炭4000吨。

The residue is then cooled and acidified with dilute hydrochloric acid. The toluene layer is separated off, washed with water and distilled. Toluene and other low-boiling fractions first distil over and finally pure diethyl phenylmalonate is obtained boiling at 165-166°C, under 20 mm. pressure and having m.p. 16 °C. The yield is 85% of the theoretical.

剩余物冷却然后用稀盐酸酸化，分理出甲苯层，用水洗涤，然后蒸馏，甲苯和其他低沸点馏分先被蒸馏出来，最后获得20毫米压力下沸点为165-166摄氏度的二乙基苯基丙二酸酯，其熔点为16摄氏度，理论收率为85%。

The compound prescribe methyl benzene Mi Shi(soon effect bowel the insect is pure) is a methyl benzene Mi the Shi go together with the hydrochloric acid left Xuan Mi Shi five to make into, takes 2 slices, but some dogs appear then blood, and the reason isn't pure.

复方甲苯咪唑是甲苯咪唑与盐酸左旋咪唑配伍制成，顿服2片，但有的狗出现便血，原因不清。

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。