查询词典 sulphureous

In this paper,through the adding of minute rare earth oxides La2O3 and CeO2 in the electrode covering,we study their effects on high temperature oxidation and corrosion resistance of the weld metal in the air and sulphureous gas.

本文通过在焊条药皮中分别添加微量稀土氧化物La2O3及CeO2，研究其对焊条熔敷金属在空气中和含硫气氛中抗高温氧化及腐蚀性能的影响。

In combination with the situation of processing high sulphureous crude oil in recent years, units and equipments occurred easily that corrosion in the process of production were analyzed. The comprehensive measures adopted from four fields of controlling hydrogen su...

结合近年加工高硫原油的情况，分析了炼油生产中易发生该种腐蚀的装置和设备，并提出了从控制介质中硫化氢浓度、设备材料的质量、设备制造安装工艺以及使用管理等四个方面综合采取措施，预防湿硫化氢应力腐蚀的产生。

In addition, the study also indicates that there are differences in increasing grain yield and improving yield characteristics of the two cultivars among the different sulphureous fertilizer application.

比较硫肥不同处理对两种小麦品种光合生理特性及产量的调控作用以及投入成本来看，在目前高产田养分供应条件下，两品种均以基施S120 kg/hm2效果相对较优。

This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application.

针对目前对缓释肥料释放特性的研究集中在化工制作领域这一现状，采用不同的测定方法，阐明含硫尿素中的养分氮在水及土壤中的转化特点，确定养分的释放速率，以求找出适合农业生产应用的方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。