查询词典 cerous

With cerous ammonium nitric-ethylene diamine tetraacetic acid as an initiator, and with the protection of the nitrogen the graft-copolymerization of methylacrylic acid and vinyl acetate on chitosan grafting was studied.

以硝酸铈铵－乙二胺四乙酸为引发剂，在N2气的保护下，研究了壳聚糖与甲基丙烯酸和醋酸乙烯酯两种单体的接技共聚反应。

Addition of 2mg ammonium cerous sulphate l〓 on day 12 in cell suspension culture of Taxus chinensis gave the greatest paclitaxel production at 8mgl〓, which was 4 times that of the control culture.

红豆杉细胞悬浮培养过程中培养第12天添加2mgl〓硫酸铈铵能获得最大紫杉醇产量8mgl〓，为对照组的4倍。

Nanocrystalline CeO 2 were prepared by sol gel method using cerous nitrate and citric acid. The powders were analyzed by XRD. It was showed that the synthesized CeO 2 was cubic in structure and CeO 2 particles were basically spherical in shape.

摘 要：以硝酸铈和柠檬酸为原料，采用溶胶凝胶法制备了纳米CeO2 对反应温度、金属离子与配体的摩尔比、凝胶烘干温度、焙烧温度等制备条件对产物的影响进行了研究。

For D-fructose functionalized BOPP, three parameters including irradiation time, cerous concentration and hydrogen ion concentration all have positive effect on monosaccharide immobilization.

水接触角数据也揭示了酮糖和醛糖在改性效果方面的差异，酮糖改性的BOPP膜的表面水接触角在47°左右，而醛糖改性的BOPP膜的表面水接触角为60°。

A novel solid complex of gelatin hydrolysate and cerous chloride was synthesized successfully,and the complex reaction between gelatin hydrolysate and rare earth cerium was verified by FT-IR.

以工业明胶为原料，选用优质的肽键断裂剂，通过优化设计实验方案，确定最佳的实验条件(温度、水解时间、pH值)，试制出合格的水解明胶。

Indirect electrosynthesis of ochlorobenzaldehyde from ochlorotoluene was carried out using ceric/cerous in sulfuric acid as a mediator.

用硫酸做介质、Ce4 + Ce3+做氧化媒质间接电合成邻氯苯甲醛。

Methods The modified method of Watkinson's was used for the kinetic colorimetric determination of iodine in food with I catalytic arsensous acid and cerous sulfate.

用亚砷酸-硫酸铈法测定食品的碘含量，根据1992年黑龙江省营养调查推算出哈尔滨市市区人均日碘摄入量。

Three methods and 3 calculating formula were used to choose for concrete operation according to the idea at urine iodine assayed with cerous sulfate reducing reaction by which WHO and ICCIDD draw up the preventive and curative criteria of iodine deficiency.

本文根据&WHO与ICCIDD制定的碘缺乏病防治标准与方法&中硫酸铈还原反应测定尿碘的意图，采用3种方法和3种计算公式对具体操作进行选择，并对原标准对照计算法的不合理以及计算误差对评价尿碘水平的效能进行了探讨。结果表明：（1）方法Ⅰ存在仪器误差，准确度不佳。方法Ⅱ线性关系和准确度较理想，但操作不便计算麻烦。方法Ⅲ线性关系和准确度与方法Ⅱ无差异，操作和计算简便、节约试剂。

Chlorpromazine hydrochloride and promethazine hydrochloride were oxidized fastly resulting in red intermediate product,which was then gradually changed into a colorless product by ammonium cerous sulfate in appropriate acidic medium.

盐酸氯丙嗪和盐酸异丙嗪在适当的硫酸介质中均能被硫酸铈铵快速氧化成红色化合物，该化合物又逐步被氧化成无色物质，两种药物的动力学过程的差异较小，动力学曲线相似。

Objective To study the expression and significance of p53protein In gastric carcinoma and precanˉcerous lesions.Methods The expressions of p53protein were detected by immunohitochemical method in74chronic gasˉtritis,59intestinal metaplasia,66dysplasia and81gastric carcinomas.

目的 探讨胃癌及癌病变组织中p53基因蛋白的表达及意义方法应用免疫组织化学染色方法对74例慢性胃炎，59例肠上皮化生，66例异型增生和81例胃癌进行了p53基因蛋白检测。

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。