氮化的

They were subjected to a 〓 reaction with sodium azide, hydrogenation, amidation,hydrolysis and Jones oxidation to afford 112 and 116, respectively.

它们分别经过与叠氮化钠的亲核取代反应、氢化、酰胺化、N〓催化的水解，Jones氧化以后分别给出化合物112和116。

The composition of the alloy is inhomogeneous, the surface of the as-milled powder is relatively poor in Fe.

研究了用机械合金化方法制备的Sm_2Fe_(17)合金的晶化与氮化过程。

In this paper, varied factors which influenced the synthesis of epoxypropyl trimethyl ammonium chloride by the reaction of epichlorlhydrin with trimethylamine were studied.

研究了由环氧氮丙烷与三甲胺反应合成环氧丙基三甲基氮化铵沥青乳化剂中间体的各种影响因素。

The complexity of the methylarginine mark is enhanced by the ability of this residue to be methylated in three different ways on the guanidino group: monomethylated, symmetrically dimethylated and asymmetrically dimethylated, each of which has potentially different functional consequences.

根据将S-腺苷甲硫氨酸(S-adenosylmethionine，AdoMet)上的甲基转移到精氨酸的胍基氮上产生甲基化的不同方式，最终可以分为三类：单甲基化、对称性双甲基化和非对称性双甲基化。

In this thesis, we try to use post-deposition N2O plasma nitridation to improve the HfO2 film quality.

本论文中，我们尝试使用一氧化二氮电浆氮化处理，以改善二氧化铪闸极介电层的品质。

A series of urea,thiourea and thiodiazole derivatives bearing mercaptotetrazole were synthesized using NaN_3 as a nitrogen source.

以叠氮化钠为氮源，合成了一系列含四唑环的芳基脲及噻二唑类化合物，其结构经1H NMR，IR和元素分析表征。

The yield was 47.3%. A series of21 azo-1,3,4-thiadiazole compounds were synthesized by diazotizing of2-amino-5-alkyl-1,3,4-thiadiazole with nitrosylsulfuric acid, then couplingwith phenol, substituted phenol or naphthol. The yields were 19.6～58.8%.16 of them were new compounds.

制得的2-氨基-5-烃基-1，3，4-噻二唑用亚硝酰硫酸进行重氮化，再与苯酚、取代苯酚或萘酚发生偶合反应合成了21个偶氮-1，3，4-噻二唑类化合物，其中16个为新化合物，收率为19.6～58.8％。

Said metal nitride is prepared through mixing the aqueous soltuion of nitrate or sulfate of A with the aqueous soltuion of Cr, Mo or W acid or one of their ammonium salts, coprecipitation or impregnation to obtain load-type or non-load-type dual-component metal salt or compound oxide, then pass in NH3, sequentially heating and azotizing at 600-750 deg.C.

该金属氮化物是由含A过渡金属元素的硝酸盐或硫酸盐水溶液与Cr、Mo或W酸或者Cr、Mo或W酸铵水溶液混合，通过共沉淀法或浸渍法制成负载型或非负载型双组元金属盐或复合氧化物，再将双组元金属盐或复合氧化物通NH3进行程序升温，至最终氮化温度600～750℃下进行反应而制得。

The tendency of spalling of nitrided layer of an austenitic heatresistant steel 4Cr14Ni14W2Mo has been studied experimentally.

Kindlimann和Ansell认为，氮化表面上Fe或Ni-Fe的氮化物增到一定厚度时将产生&白亮层&，冷却时可能剥落。

In this paper, the change of nitrogen at different depths in 35CrMo steel through ion nitriding and laser phase transformation hardening treatments was investigated with Xrays Photoelectron Spectroscopy.

采用XPS研究了35CrMo钢离子氮化加激光相变硬化复合处理后不同层深处氮的变化。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。