In this paper, the progress of 2200~ 3000 ℃ ultrahigh temperature and oxidation resistance composites is reviewed, which includes refractory metal and alloy, ceramics, refractory carbide and oxidation-resistance carbon/ carbon composites.

In order to solve the problems of refractory metal oxide and carbide inhomogeneous distribute in C/ C composites. In this paper, three kinds of zirconium doped C/ C composites were prepared by different materials and processes.

为解决难熔金属氧化物、碳化物在C／C复合材料中的分布的问题，本文以不同原料和工艺制备出3种锆掺杂C／C复合材料。

Refractory in the silicon carbide, clayey SiC has the most simple production process and the lowest price.

在碳化硅质耐火材料中，粘土结合碳化硅是生产工艺最简单、价格最低的制品。

Determination of SiC Content in Refractory Product Containing Silicon Carbide

含碳化硅的耐火材料制品中SiC含量的测定

The accidental risks in the production process of methyl carbamyl chloride synthesized from phosgene and methyl amine are analysed;

对光气法生产甲氨基甲酰氯过程中的事故风险进行了分析。

Study on the Ratio of Input Materials of the Synthesis of N-Methyl Carbamyl Chloride

N-甲氨基甲酰氯合成配比研究

Studies on Mechanism of Carcinogenesis ⅶ. Biosynthesis of Carbamyl Phosphate Synthetase I in vivo and in vitro in Hepatocellular Carcinoma and Liver of Rats Fed with Diethylnitrosamine

癌变原理研究Ⅶ.喂二乙基亚硝胺大鼠肝及肝癌组织中氨甲酰磷酸合成酶Ⅰ的生物合成研究

Studies on the mechanism of carcinogenesis ⅵ. the immunochemistry of carbamyl phosphate synthetase in rat liver and hepatoma induced by diethylnitrosamine

癌变原理研究&Ⅵ.大鼠肝及肝癌中氨甲酰磷酸合成酶Ⅰ的免疫化学研究

Owing to a great quantity of chemical insecticide been used for a long time, Spodoptera litura has resistance to organochlorine pesticide, organophosphorus pesticide, carbamic acid ester pesticide, pyrethroid insecticides.

由于长期大量的化学药剂的使用，斜纹夜蛾对有机氯、有机磷及氨基甲酸酯、拟除虫菊酯等多类杀虫剂产生了不同程度的抗药性。

Synthesis of N-nitro-N-( 2,4,6-trichlorophenyl) carbamic Chloride by BTC

三光气法合成N-硝基-N-（2,4,6-三氯苯基）氨基甲酰氯

Residue level of ethyl carbamate in fermented foods

发酵性食品中的氨基甲酸乙酯含量调研

Determination of ethyl carbamate in alcoholic beverages using HS-SPME gas chromatography-mass spectrometry

固相微萃取气质联用法测定酒精饮料中氨基甲酸乙酯

Research Advancement of Ethyl Carbamate in Fermented Food

发酵食品中氨基甲酸乙酯的研究进展

Investigation on the Formation of Ethyl Carbamate in Grape Wine and Wine Quality Control

葡萄酒中氨基甲酸乙酯形成及质量控制

Study on Ethyl Carbamate Changing Trend in Wines During Brewing Process

葡萄酒酿造过程中氨基甲酸乙酯含量变化趋势的研究

Solid phase extraction method was recommended by OIV, but in the OIV method, anhydrous ethanol, one of the reagents, contained ethyl carbamate in itself. Therefore, there was drawback in this method.

国际葡萄与葡萄酒组织（OIV）推荐的方法为固相萃取柱方法，方法中应用的试剂之一无水乙醇本身含有氨基甲酸乙酯，因此存在一定缺陷。

An In-line Multidimensional Gas Chromatography Method for the Analysis of Steam Cracking Gases Determination of Ethyl Carbamate in Alcoholic Beverages With Multidimensional Gas Chromatography/ Isotopic Dilution Mass Spectrometry

热裂解乙烯气的在线多维色谱分析用多维色谱-稳定同位素稀释质谱联用技术测定酒中氨基甲酸乙酯

Clone and Expression of Carbamate Kinase and Ornithine Carbamoyl Transferase Genes of Streptococcus Suis Serotype 2

猪2型链球菌氨基甲酸激酶与鸟氨酸转氨甲酰酶的克隆与表达

Reasons for side bar break on HP ammonium carbamate pump en urea plant

尿素高压甲铵泵侧杆断裂原因及对策

Discussions on the tube array corrosion of HP ammonium carbamate condenser

高压甲铵冷凝器列管腐蚀原因探讨

Operating analysis of HP ammonia pump and ammonium carbamate pump after frequency governor speed changed

高压氨泵、甲铵泵改变频器调速运行情况分析