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It shows that the measured value of these elements is coincident with reference articles reported,except bismuth.

然而作为溶解头发、指甲的方法大多用酸消化(HNO3+HClO4 )的方法[3] ,也有一些报道用灰化的方法[4 ] 。

The steps for preparing insecticide include: first shaking flask for fermentation, adding amidon, soya bean cake powder, cotton cake powder, protease leather, yeast powder, maize milk, magnesium sulfate heptahydrate, monobasic potassium phosphate, dibasic potassium phosphate, calcium carbonate alpha-amylase and make-up water by ratio in culture medium with 100 unit volumes; secondarily filling 100ml culture mediums in triangular bottle, then seeding BTH-13 after disinfection and culturing them until the brood-cell pulls off under finite temperature; third adopting the selected culture medium and fermenting them in full-automatic fermentation tank, acidifying the fermentation liquor after the fermentation, adding the emulsifier, and directly performing spray-drying after the compression of the fermentation liquor to prepare the wettable powder.

制备杀虫剂的步骤是:首先是摇瓶发酵,在100单位体积的培养基中,按比例加入淀粉、豆饼粉、棉饼子粉、蛋白胨、酵母粉、玉米浆、七水硫酸镁、磷酸二氢钾、磷酸氢二钾、碳酸钙、及α-淀粉酶,补充水;其次是在三角瓶中装100ml培养基,灭菌后接种BTH-13,在一定温度培养至芽孢脱落;第三是采用筛选出来的培养基,在全自动发酵罐中进行发酵,发酵结束后发酵液酸化,加入乳化剂,酵液浓缩后直接喷雾干燥制备可湿性粉剂。

They express widely inperipheral and central nerve system and participate in many important physiological andpathological processes,such as learning and memroy,synaptic plasticity,cerebral ischemiaand pain.Activation of ASICs by protons can depolarize the neurons and generate action potentials.

它广泛分布于中枢及外周神经系统的神经元,参与了很多重要的生理过程和病理反应,与学习记忆、突触可塑性、脑缺血、疼痛等关系密切。H~+激活ASICs可使神经元去极化,产生动作电位,参与了组织酸化如缺血、炎症、肿瘤、癫痫等时痛觉的感受。

Therefore, this technique is simultaneously economically attractive and has a law impact on the environment as com pared with ion-exchange and conventional electrodialysis techniques.

这一特殊的优势是传统工艺中的酸化沉淀法、离子交换法和普通电渗析无法比拟的。

In order to identify the mechanism of melanic mutant of S. exigua, genetic regulation on pupae body color, puparial exuviae, phenoloxidase activity, dopamine andβ-alanine of SEW and SEM were investigated.

本文以SEW和SEM为材料,分别从蛹黑色性状的遗传规律、多酚氧化酶活力、电镜分析、高效液相分析、多巴胺和β-丙氨酸的微量注射及饲喂诱变几个方面进行了研究,以期找出甜菜夜蛾黑化的机理。

Based on the results of previous studies concluded on the basis of summing up the cracks in the reservoir area characteristics, and boldly against the cracks in the northwest edge of Qaidam Basin, the reservoir development process, the right of oil in the practical application of the You quan zi oil field winding Screen End Well Technology and small acidification of Technology, to take the good results.

本文在参考前人研究成果的基础上,总结了本区储油裂缝的特征,并大胆提出针对柴西北缘裂缝油躲的开发工艺,在油泉子油田实际应用了海带缠绕筛管完井工艺和小型酸化工艺等工艺技术,取到了良好效果。

In the scheme,the key reactions were Grignard reaction, dihydroxylation,S_N2 substitution of hydroxyl and epoxide under acidic conditions and etc.

合成过程中的关键反应为Grignard反应,双羟化反应,质子酸催化的羟基与环氧的S_N2亲核取代成环反应。

Hydrochloric acid with a surfactant additive that is used in acidizing a well.

在井的酸化作业中所用的加有表面活性剂的盐酸。

The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.

样品的四丁基溴化铵和二氯甲烷离子对萃取方法与反相离子对色谱分离联用,为水体中芳香族磺酸盐的检测提供了可靠的监测手段。

In addition, the relation between AVS in sediments and heavy metals in overlying water was poorly studied.

AVS的存在增加了沉积物的吸附容量,但AVS经过酸化被除去后,与沉积物结合的重金属元素就会释放出来。

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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。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。