carefully selected materials是什么意思

网络释义

用法例句

The paper introduces the change of structure of materials and influence on the shaft furnace at Pelletizing Plant,analyzing some of the requirements for the structure of materials in pellet production.

介绍南钢球团厂的用料情况及在生产过程中用料结构的变化对竖炉炉况的影响,分析竖炉球团生产对用料结构的一些要求,总结南钢竖炉球团厂在优化用料结构上的经验和调节手段。

Preparation of special materials for transparent flexible reinforced PVC pipes;

聚氯乙烯透明增强软管专用料的研制

Research on PC/ABS Special Material for Auto by Orthogonal Experimental Design;

正交试验法研究PC/ABS汽车专用料

Detailly described the production, developing and product utilizing of the special materials for the polyethelene pipe domestic and aboard, and put forward the developing trend of our special polyetheline pipe material used in China according to the present marketing requirement and develop- ing in the future.

详细论述了国内外聚乙烯管材专用料的生产、开发及产品使用的发展状况,并根据目前国内的市场需求及未来的发展,提出我国聚乙烯管材专用料的开发方向。

The calculation of raw material admixture blending quantity and the quantity of different materials of blended yarn are dis- cussed particularly in this paper.

介绍了不同原料混纺时各组分配料量及用料量的计算方法。

Composition and microstructure of four different imported commercial random ethylene-propylene copolymer(PP-R)special resins(1~#,2~#,3~#,4~#)were characterized by means of ~(13)C NMR,FTIR,DSC and melt flow index(MFI).

利用傅里叶变换红外光谱、碳核磁共振光谱、示差扫描量热(DSC)分析和熔体流动指数对国外4种工业化生产的无规共聚聚丙烯(PP-R)专用料(1#,2#,3#,4#)进行了组成和结构分析。

LLDPE DFDA-7047L weather-resistant special resin was newly developed by Daqing Petrochemical Complex.

主要考察了大庆石化总厂新产品LLDPE耐候专用料DFDA-7047L在不同吹胀比、螺杆转速、加工温度下的加工性能及加工条件对薄膜拉伸,撕裂、透光性等物理性能的影响,同时对专用料的基础树脂及目前地膜生产中常用的18D树脂的某些性能进行了考察,进而提出了适宜于新产品的加工工艺。

The Control Factor Analysis of High-speed BOPP Speciality Quality Index;

高速BOPP专用料质量指标控制因素分析

Application of speciality PE resin for Coated Pipe;

包覆管用聚乙烯专用料的应用

By adjusting polymerization process conditions,the PP speciality YF3003 for high-speed biaxial oriented film was produced by using Hypol process with four reactors.

利用4个反应器串联的Hypol工艺进行高速BOPP专用料的研制开发,通过聚合工艺参数的调整,生产高速BOPP专用料YF3003;从常规物性、热行为、核磁共振谱、相对分子质量及其分布、加工性能等几方面对YF3003试验料和进口高速BOPP料A,B进行分析表征。

Development of LLDPE speciality resin BD in drip irrigation tube;

LLDPE滴灌管专用料的工业开发

The results of quality authentication of the speciality resin indicate that its MSR reaches 8 MPa;its critical pressure in small-scale steady state test attains over 0.

研究了高密度聚乙烯(HDPE)燃气管专用料6380 MBL的性能,尤其是长期静液压最小要求强度(MRS)、耐快速裂纹扩展(RCP)、耐慢速裂纹增长(SCG)和耐气体组分。

Studies and analyzes mechanical property, creep crack propagation resistance and melt strength of Qilu PE100 gas pipe speciality resin DGDB2480HBK.

对齐鲁PE100级燃气管专用料DGDB2480HBK的力学性能、耐慢速裂纹增长性能、熔体强度等进行了研究与分析。