钼的

A series of unsupported molybdenum phosphide were prepared at different reduction temperatures by temperature-programmed reaction process.

通过程序升温还原磷钼酸盐前体的方法制备了无负载磷化钼催化剂，并采用XRD ，BET ，XPS和高压连续微反技术，考察了催化剂的性质，研究了还原温度对催化剂HDN ，HDS和HYD性能的影响。

Effects of temperature and supersaturation on the nucleation rate were discussed.

本文研究了用盐酸酸沉仲钼酸铵溶液制备四钼酸铵的成核过程，测量了以诱导期表示的成核速率，讨论了温度和过饱和比对成核速率的影响。

All the results indicated that Brazilian sugarcane also had a nitrogen-fixing capacity in Guangxi, Mo was propitious to regulate nitrogenase activity of nitrogen-fixing bacteria in sugarcane under nitrogenous conditions, and promoted nitrogen fixing; while under non nitrogenous conditions, it was unpropitious to regulate the nitrogen activity and inhibited nitrogen fixation of nitrogen-fixing bacteria.

上述结果说明：巴西甘蔗在本地也具有一定的固氮能力；在不缺氮条件下，钼处理较利于调节甘蔗体内固氮菌的固氮酶活性，促进其固氮；而在缺氮条件下，钼处理不利于调节甘蔗体内固氮菌的固氮酶活性，抑制其固氮作用。

This article analyzes problems in the making up of molybdic acid ammonium solution by using molybdic acid ammonium and proposes some improvement, which turns out to be better result.

本文对用仲钼酸铵配制钼酸铵溶液的方法中存在的问题加以理论分析，并对这个配制方法进行了实验改进，收到了良好的实验效果。

The effect of H2SO4, phosphomolybdic acid, antimony potassium tartrate and nanogold in size of 15, 30 and 50 nm on the decreased RS intensity I was studied respectively.

在硫酸介质中，纳米金在774 nm处产生一个较强的共振散射峰；磷钼酸与酒石酸锑钾形成的三元杂多酸可被抗坏血酸还原形成锑磷钼蓝，导致774nm处共振散射峰的强度降低。

In order to improve the electrocatalytic activity of the anode in the Direct Methanol Feul Cell, three kinds of transition metal substituted phosphomolybdic acid modified platinum electrodes were prepared, and the electrochemical behavior in the sulphuric acid solution of transition metal substituted phosphomolybdic acid modified platinum electrodes and their electrocatalytic effects of methanol oxidation were studyed. The anti-poison effect to carbon monoxide of the prepared electrodes were studied by the carbon monoxide adsorbing.

为了提高直接甲醇燃料电池阳极催化活性，本文研究了三种过渡金属取代磷钼酸修饰铂电极在硫酸溶液中的电化学行为及对甲醇的电催化氧化作用，并利用一氧化碳吸附实验评价了三种过渡金属取代磷钼酸修饰铂电极的抗一氧化碳毒化性能。

It begins to recrystallize at the temperature of 800℃or so, and then, its high temperature mechanics performance decrease.

因此，我们采用掺杂Si、Al、K 的方法来提高钼丝的再结晶温度，从而提高钼丝的高温综合力学性能。

Under the excitations of Ultraviolet, X-ray, cathodic ray, etc. tungstates can produce blue emission, and molybdates can generate green light. Hence, scheelite-structured tungstates and molybdates are used in the fields of detections for high energy particles, scintillant arithmometers, X-ray gain screen, luminescence and displays.

在紫外、X射线、阴极射线等的激发下，钨酸盐能发射出蓝光，钼酸盐能发射出绿光，因而白钨矿结构的钨—钼酸盐在高能粒子探测、闪烁计数器、X射线增感屏、发光与显示技术等领域具有重要的应用。

Reduction photometry of Tin chloride and ammonium molybdate spectrophotometric method is two main methods of the determination of total phosphorus in water.

氯化亚锡还原法和钼酸铵分光光度法是测定水中总磷的两种主要监测方法，本文通过试验分析得出两种方法的最佳显色时间分别是15-30分钟和10-30分钟，且钼酸铵分光光度法的显色较稳定等结论。

In the process for producing ammonium molybdate on particle size, bulk density, crystal shape and structureal components of ammonium molybdate.

研究了钼酸铵生产中的原始溶液密度、搅拌转数、反应温度、终点 p H值等因素对钼酸铵产品的粒径、松装密度、晶体形貌和结构成分的影响，选择了最佳工艺条件，介绍了实践情况。

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。