authigenic sand size material是什么意思

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用法例句

A new method that In-situ laser surface cladding of ceramic layer combining laser cladding technique and in-situ metal-matrix composite producing technique has been studied in this paper.

本文结合激光熔覆和自生复合材料制备技术，提出激光熔覆自生陶瓷涂层的新方法，并成功地在Al合金表面制备了TiB_2自生陶瓷涂层。

Through investigation on deep blocking remover techniques home and abroad, using delayed mechanism of self-born acid, SF deep blocking removing system is developed and applied in Tuha oilfield, the application effect is good.

通过调研国内外深部解堵技术,利用自生酸缓速机理,研究出了SF深部解堵液体系,并在吐哈油田推广应用,效果显著。

Study on authigenic CO_2 flooding technology and its effect;

自生CO_2驱油技术体系及驱油效果研究

Progress in research on in-situ titanium matrix composites;

原位自生钛基复合材料的研究进展

Study of different magnesium or silicon content on microstructures in in-situ Mg_2Si/Al alloy composites;

不同Mg、Si含量的原位自生Mg_2Si/A1基复合材料凝固组织的研究

Study of Rare-earth as additon on ReinforcedSi Phase in-situ Zn-A1 Composites;

稀土对硅相增强原位自生Zn-Al复合材料的影响

The present situation on research and application of autogenous medium cyclone;

自生介质旋流器的研究应用现状

By means of orthogonal tests,the paper optimized the structural parameters of theautogenous medium cyclone.

采用正文试验方法，优化了自生介质旋流器的结构参数，用该参数制造的旋流器对甘肃及山西等地的煤炭进行分选，获得了满意的效果，洗精煤灰分在９。

Sliding wear behaviors of in-situ synthesis TiC/Ni60A composite coatings by argon arc cladding;

氩弧熔敷原位自生TiC/Ni60A复合涂层的滑动磨损特性