氮化的

Carbon nitride powder with C-N bond was prepared. High pressure and temperature were supplied by Cyclonite and dicyandiamide(C2H4N4) was used as the primary precursor in this article.

利用黑索今炸药作为高温、高压源，双氰胺(C2H4N4)作为主要前驱体，采用爆炸冲击合成的方法制备了含C-N的氮化碳粉末。

Is located in the city, the northwest region of considerable size artificial diamond, CBN wheel, diamond drill bit products and professional manufacturing enterprises.

西安航都超硬磨具有限公司坐落在西安飞机城内，是西北地区颇具规模的人造金刚石、立方氮化硼砂轮，金刚石钻头及其制品的专业生产制造企业。

The tea polyphenols have been determined by spectrophotometric analysis using the principle of colored compounds produced by the diazonium coupled reaction.

利用芳香族伯胺重氮化偶合生成有色化合物的原理，建立了分光光度法测定茶多酚含量的方法。

Objective To study resonance light scattering spectra of diazotization- coupling reaction and establish a new method for the determination of trace nitrite.

目的 研究重氮化－偶联反应的共振散射光谱并应用于亚硝酸根的测定。

High performance liquid chromatography and Griess diazotization reaction were employed to determine the levels of Hcy and NO in the plasma and the correlation between Hcy and NO was analyzed.

分别采用高效液相色谱法和Griess重氮化反应法检测62例急性脑梗死患者(起病24 h内)血浆Hcy及NO水平，分析两者的相关性及其与急性脑梗死的关系。

Methods 62 patients with acute cerebral infarction (within 24 hours) were enrolled. High performance liquid chromatography and Griess diazotization reaction were employed to determine the levels of Hcy and NO in the plasma and the correlation between Hcy and NO was analyzed.

分别采用高效液相色谱法和Griess重氮化反应法检测62例急性脑梗死患者(起病24 h内)血浆Hcy及NO水平，分析两者的相关性及其与急性脑梗死的关系。

This method is based on the diazotization of sulfadiazine with sodium nitrite in acidic medium and the coupling reaction with α-naphthylamine.

在盐酸介质中，利用磺胺嘧啶－亚硝酸钠－α-萘胺的重氮化－偶合反应，建立了流动注射光度法测定磺胺嘧啶的新方法。

The influence of aniline concentration, feeding temperature and residence time on aniline diazotization in a spiral reactor was analyzed with orthogonal test and, in particular, the influence of feeding temperature was tested.

用正交试验方法分析了苯胺浓度、进料温度和停留时间等对螺旋管式苯胺重氮化反应工艺的影响，并着重试验了进料温度因素对反应的影响。

In this paper,the factors,which consisted of acidity,nitrite,the time of diazotization,concentration and time of decomposing excessive NaNO2,dosage of N-na reagent,time of coincidence and beam,were studied to character the effect of analysis for aniline compound in water.

研究了酸度、亚硝酸盐、重氮化时间、分解过量NaNO2所用试剂的浓度和时间、N-na试剂用量及偶合时间、光线等因素对水体中苯胺类化合物分析的影响。

The reducing product is monoamine and diamine with 72 % yield. Based on the characteristic of mo- noamine with strong fluorescence, this paper has analyzed the content of mo- noamine and diamine by diazotization method combined...

根据单胺具有强烈荧光的特点，采用重氮化法和荧光分光光度法相结合，测出混合胺中的单胺与双胺合量分别为22.54％和67.22％，其余是无机盐。

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。