磷化

The typical process for the synthesis of Dimethyl Phosphite is the continuous process starting from methanol and trichloro phosphine.

亚磷酸二甲酯的合成工艺主要为以甲醇、三氯化磷为原料的无溶剂的连续化生产工艺。

We previously reported that many genes involved in tetrapod tissue mineralization arose from a common ancestor and constitute the secretory calcium-binding phosphoprotein gene family.

我们先前的研究证实，许多与四脚动物矿化有关的基因均来自于一个共同的祖先，组成了分泌型钙结合磷蛋白基因家族。

Methods Middle cerebral artery ischemia-reperfusion model was established in Wistar rats. In these regions the changes of PKC activity were measured by phosphoryl transfer pieces. The contents of BCL-2 and FOS were observed with immunohistochemistry.

采用大鼠大脑中动脉缺血再灌注模型，用磷基转移片检测PKC的活性，用免疫组化法检测BCL-2及FOS的含量。

Study on the synthesis of the antistatic agents of didodecyl phosphate and its salts ——The synthesis and technology optimization of didodecyl phosphoryl chloride;2. The synthesis of didodecyl phosphate and its salts by the reaction of 1-dodecanol with phosphorus oxychloride was studied.

研究了以三氯氧磷与月桂醇为原料合成磷酸二月桂酯(C12-DAP)及其盐的工艺条件，考察了反应温度、反应时间和物料配比等因素对酯化反应与水解反应进程的影响，通过优化实验方法，选择了适宜的合成工艺条件。

Because〓 supported on silica is soluble inmethanol, active center of supported 〓 catalyst is able to elapse. The saltsin which ion semidiameter are larger, are ideal solid acidic catalyst, because of theirhigher activities, insolublilities in methanol.

离子半径较大的负载型磷钨酸盐除具有较高活性外，由于不易溶于极性溶剂，因而催化剂活性稳定性强，是一种理想的固体酸醚化催化剂。

It is noticed that this method is also fit for the phosphorylation of serine methyl ester with active hydroxy in side chain.

试验表明，对于侧链上有活性基团的丝氨酸甲酯的核苷磷酰化衍生物的合成，该方法同样适用。

In this experiment, the contents of calcium, magnesium and phosphorus in plasma, liver or muscle of the one-month-old rabbits fed by the drinking water with sodium fluoride at the 0,150 and 300mgL^(-1) for 40 days were determined.

试验中，给一月龄幼兔给予了含有浓度分别为0、150和300mgL^(-1)氟化钠的饮用水为期40d的处理，测量其肌肉、肝和血浆钙、镁和磷含量的变化。

Aiming at nitrogen and phosphorus removal in bioremediation of eutrophicated water body and deep treatment of sewage, Oscillatoria, Spirogyra, Hydrodictyon and Scenedesmus were immobilized on fibrous carrier forming immobilized algal films.

针对富营养化水体生物修复和污水深度处理氮磷的去除，将细颤藻、水绵、水网藻、栅裂藻固定在纤维填料上，形成固定化藻膜。

The results show that a MgSnO3·H2O conversion film is formed by treatment in the stannate solution at 90℃, and the immersion test and potentiodynamic polarization show that the corrosion resistance of the AZ91D alloy is improved to some extent.

结果表明：锡酸盐转化处理后合金表面形成了以MgSnO3·H2O为主要成分的转化膜，可对合金起到一定的防护作用；转化膜由细小的球形颗粒密积而成，颗粒之间存在间隙，它可以为化学镀镍的前处理过程提供良好的吸附条件；转化膜上的化学镀镍层组织致密、无缺陷， MgSnO3·H2O转化膜在镀镍层与基体之间起到过渡作用，镀层的磷含量达到9%，与基体结合良好；在3.5% NaCl (pH=7)溶液中的动电位极化测试表明，镀镍以后的合金在阳极极化过程中发生了明显的钝化，耐腐蚀性能进一步提高，对基体起到了较好的防护作用。

Results show that, by using thionyl chloride and N,N-dimethyl formamide as chlorinating reagent and dichloromethane as solvent and taking -15℃ as reaction temperature, Z-iomer crystals with pale white color and stable to temperature can be obtained with an overall yield of 70%.

以2-（2-氨基噻唑－4-基）－2-甲氧亚氨基乙酸为原料，经盐酸化、氯代等反应合成了Z-2-（2-氨基噻唑－4-基）－2-甲氧亚氨基乙酰氯盐酸盐；氯代时以用亚硫酰氯和N，N-二甲基甲酰胺的混合物代替五氯化磷作氯化剂，并考察了温度和溶剂对氯代产物中Z-异构体和E-异构体收率的影响。

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。