查询词典 phosphate

A green radioactive mineral that is a hydrous crystallin e phosphate of uranium and copper.

铜铀云母一种绿色的放射性矿物，为铀和铜的氢化结晶云母

Results showed that in the water body of Xizi Lake, annual average of culturable planktonic ammonifiers and nitrogen fixers were 510 and 236 CFU/mL, respectively; Ammonia oxidizers, nitrite oxidizers, nitrate reducers and denitrifiers were 8.5, 16, 587 and 16 MPN/mL, respectively; Inorganic phosphate solubilizing bacteria (1PB) and organic phosphorus mineralizing bacteria were 89 CFU/mL and 37 MPN/mL, aerobic and anaerobic cellulose decomposers were 7 and 5 MPN/mL, respectively.

水体中可培养异养细菌和固氮菌的年平均值分别为510和236CFU／mL，氨氧化细菌、亚硝酸氧化细菌、硝酸盐还原菌和脱氮菌的数量分别为8.5、16、587和16 MPN／mL；无机磷和有机磷分解菌分别为89 CFU／mL和37 MPN／mL；好氧性纤维素分解菌和厌氧性纤维素分解菌只有7和5 MPN／mL。

Potassium zinc phosphate was used as the catalyst for Knoevenagel condensation of benzaldehyde with ethyl cyanoacetate.

以磷酸锌钾为催化剂，催化苯甲醛与氰乙酸乙酯进行Knoevenagel缩合反应。

Knoevenagel condensation reaction of aromatic aldehydes with active methylene compounds like ethyl cyanoacetate proceeds smoothly in water in the presence of 8mol% of diammonium hydrogen phosphate and 2mol% TEBA.

醛与活泼亚甲基化合物的 Knoevenagel 反应是有机合成中广泛应用的形成碳碳键的重要方法，该反应一般是弱碱性催化剂存在下完成的，如各类胺、脲[1]等，Lerwis酸[2]、杂多酸[3]、氨基酸[4]等也可用于催化该反应。

Thus, it is helpful to understand mutual reactions among pollutants in heavy metal polluted soil and eutrophic water, to clarify their biological and environmental effect through studying phototactic behavior of Daphnia influenced by nitrogen, phosphate and heavy metals.

因此，戮们筛选培育的隆线搔纯生物株是一种非常理想的生物监测器，优于国外培育使用的大型搔，可以根据隆线搔的趋光行为的变化来监测样品中的有害物质。②在水搔趋光指数测定过程中，测定装置的工作条件和参数显著影响结果。

The Gemini phosphate surfactant was synthesized with decyl digomeric glycol and phosphatizing agent P205 by phosphatizing.

实验选择苄基三乙基氯化铵为催化剂，用量为4%，投料比为2：1，反应温度为60℃，反应时间为6时，最终产率为78.3%。

The tribological properties of the prepared UFD phosphate derivant in the water-base solution were evaluated by using a four-ball friction wear testing machine.

利用四球摩擦磨损试验机研究了化学修饰后纳米金刚石磨粒在水基基础液的摩擦学行为，发现基础液中纳米金刚石磨粒磷酸酯衍生物浓度为0。

A derivative of amphetamine ,such as dextro amphetamine or a phosphate or sulfate of amphetamine ,used as a central nervous system stimulant in the treatment of certain conditions,such as narcolepsy and depression.

硫酸苯丙胺安非他命的衍生物，如右旋安非他命，或其磷酸盐或硫酸盐，在治疗某种病状如发作性睡病和精神抑郁时可用作中枢神经系统兴奋剂

Methods The IL17 cDNA and Thy1.1 fulllength cDNA were subcloned into MIT(MSCVIRESThy1.1) retrovirus vector, and the siRNAIL17, U6 promoter and Thy1.1 fulllength cDNA were also inserted into retrovirus vector of pMNDBANSHEE.The recombined vectors were transfected 293 packaging cells by DNA calcium phosphate coprecipitation. Virus supernatant which infected preactivated spleen cells from NOD/BDC mice was collected. After incubation, the IL17 expression in diabetogenic T cells was detected.

利用基因工程和细胞克隆技术分别将IL17的cDNA插入MSCVIRESThy1.1逆转录病毒载体，将Thy1.1、U6增强子(U6 promoter)基因和IL17的siRNA cDNA插入逆转录病毒载体pMNDBANSHEE，采用磷酸钙沉淀法将重组载体转染293包装细胞；收集病毒上清，转染预先活化的NOD/BDC小鼠脾细胞，测定致糖尿病性T细胞的IL17和siRNAIL17的表达。

Therefore this research is to synthesize alkyl dialkyl o-hydroxyphenyl phosphate (8) as new lubricant additives.

所以本研究希望能结合磷酸酯与儿茶酚二者的优点以开发出新型态的润滑油添加剂---儿茶酚磷酸酯衍生物。

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。