impurity content的例句大全

main component self-compare with calibration factor can be used when testing impurity content.

测定杂质含量时,可采用加校正因子的主成分自身对照法.

In this paper, the effect of flux components, flux addition and melting temperature on recovery ratio and impurity content was analyzed.

本文实验研究了熔剂配比、熔剂加入量和熔炼温度等对铸造废铝屑的回收率、合金含杂量的影响。

Time behaviour of impurity content has been obtained using a fast measuring system.

用快速测量系统记录了杂质组分的时间行为；

The hydrocracking tail oil possesses the characteristics of higher viscosity index, pour point, viscosity and lower sulfur, nitrogen, impurity content.

加氢裂化尾油粘度指数高，低硫、低氮、杂质含量少，倾点和粘度偏高。

the results show that the total impurity content and retained phosphorus are the key factors to decrease conductivity, and different forming methods affect the structure and conductivity of copper bar.

研究结果表明：铸锭中杂质的总含量及残留的磷是造成制品电导率降低的关键因素，不同成形工艺影响制品的组织结构和电导率。

impurity content and copper grade are the important factors in distinguishing cathode copper quality.

杂质含量与铜品位是衡量阴极铜质量的重要指标，因此阴极铜样品的取样化验方法规范化成为阴极铜购销过程中的关键问题之一。

At present, the domestic purification technologies of industrial boric acid and borax have a certain gap for preparation of nuclear grade boric acid and borax for high-borosilicate glass. Impurity content is obviously higher than standard or required.

目前国内对工业硼酸、硼砂的纯化技术距离制备核工业级硼酸和高硼硅酸盐玻璃用硼砂还有一定差距，杂质含量达不到要求。

The impurity content contained in QLT 17, as one of the key indexes, accorded with the demand of insulating material for power cable; the impurities in size of 0.12-0.25 mm were 5, the impurity in size over 0.26 mm was none.

其关键指标杂质含量符合电力电缆绝缘料使用要求0.12~0.25mm的杂质为5个/kg，大于0.26mm的杂质为0。

simultaneous determination of main content and impurity elements in zeolites and supports

分子筛和担体中主含量元素和杂质元素的同时测定

the cyanate ester of novolac, prepared in this paper, has lower content of impurity, higher char yield and good processability, which is suitable for use as the matrix of high performance ablative material.

研究结果表明，所制备的酚醛型氰酸酯具有低的杂质含量、高的烧蚀残碳率，适合于高性能烧蚀材料的树脂基体。

When the evaporating temperature exceeding 30 ℃, the content of the known impurity increased.

当浓缩温度高于30℃时，已知杂质含量增加。

the influence of various factors including the content of impurity elements and rare-earth elements on the quality of copper bar and the influence of surface quality on the processing of copper materials are discussed.

从杂质元素、稀土元素、等方面讨论了铜线杆质量影响因素，以及表面质量对铜材加工的影响。

Properties and technical process of beryllium are closely related to content of impurity.

铍的性能与制作它的工艺过程和其中的杂质含量密切相关。

Precision measurement is to content determination and quantification of impurity.

含量测定和杂质定量测定应考查方法的精密度.

This paper studied the influence for the method that determing the content of ammine nitrogen in sewage by impurity.

文章研究了精对苯二甲酸（PTA）生产污水中杂质对氨氮测定方法的影响。

With increase of levels of nitrogen application, invert sugar, content of K, Na, a-N and impurity index raised in roots, while sucrose content and recoverable sugar content decreased.

根转化糖、K、Na、α&氨态氮含量和杂质指数随施氮水平增加而提高，而蔗糖含量、可回收糖量则随之下降。

It is concluded that the future development of refractory metal single crystal should orient to the following aspects, i.e., further decreasing the content of impurity elements, especially C content;

作者认为难熔金属单晶制备技术应沿着如下几个方面发展：进一步降低杂质元素特别是C元素的含量，提高单晶纯度水平；

Results: The chief peak and every impurity peaks were separated well. The content of all related substances was lower than 2.0%. The effect of dietary restriction on the formation of carcinogen DNA adducts

结果：主峰和各杂质峰均达到基线分离，有关物质的限量控制在2.0%以下。限量饮食对化学致癌物-DNA加合物生成的影响

By means of appropriate spheroidizing treatment on the liquid of steel, casting structure direct acquire certain quantitative spheroidal graphite 、 carbide and pearlite, reduces the content of harmful impurity effectively.

通过对钢液进行适当的球化处理，铸态组织直接获得一定数量的球状石墨、碳化物和珠光体，并有效地降低有害杂质的含量。

the content and ingredient as well as origins of impurity in bromoethane made from dregs of bromine at a pharmaceutical manufacturer was analysed through gc and gc-ms.

通过气相色谱仪和气相色谱-质谱联用仪确定了某制药厂用回收的溴化钠生产的溴乙烷中所含杂质的具体成分及其含量。