苯肼

5,5-二甲基-4-取代苯基（H）-1,3,2-二氧磷杂环己基（硫代）磷酰苯肼的合成及其阻燃性能

Synthesis and flame retardance of 5,5-dimethyl-4-substitued phenyl ( hydrogen ) - 1,3,2-dioxaphosphorinan ( sulfur substitued ) phosphono phenylhydrazine

以苯肼和丙酮为原料，采用Fischer吲哚合成法，制备了2-甲基吲哚。

2-methylindole has been synthesized by Fischer 's method using phenylhydrazine and acetone .

锌粉-卤化铵还原体系用于N，N′-二苯肼的合成葡萄糖预还原-水合肼液相法制备纳米铜粉

Preparation of Nanometer Copper Powder Used Glucose Pre-reduction and Hydration Hydrazine Liquid Phase Method

催化光度法测定痕量硒Se（Ⅳ）H2O2苯肼α-萘胺体系

Determination of Trace Selenium Using the Catalytic Photometry of Se (ⅳ) - H2_O_2-Phenylhydrazine-a-Naphthylamine System

[方法]模拟家庭中蔬菜的烹饪和储存过程，采用2,4-二硝基苯肼法测定其中维生素C的含量。

[ Method ] The cooking and storage of cooked vegetables in families were imitated . Vitamin C ( Vc ) content of vegetables was determinated by 2,4-dinitrophenylhydrazine .

合成3-（N，N′-二苯肼基羰基）丙酸乙酯的反应操作方法简单，条件温和，对环境污染小；

The synthesis of 3 - ( N , N ' - diphenylhydrazinocarbonyl ) propionic acid ethyl ester had easy operation , simple artificial route and little environmental pollution .

采用2，4-二硝基苯肼比色法和聚丙烯酰胺凝胶电泳（PAGE）法对青海本地山羊的血清乳酸脱氢酶（LDH）活性及其同功酶酶谱进行了研究。

The serum LDH activity and isozymes of Qinghai native goats were studied by use of polyacry-lamidegel electrophoresis ( PAGE ) and2,4-dinitrophenylhydrazine colorimetric analysis .

桂枝：采用硅胶G板，以石油醚（60-90℃）&醋酸乙酯（17：3）为展开剂，显色剂为二硝基苯肼乙醇试液。

Cinnamon twig was identified with petroleum ether ( 60-90 ) - ethyl acetate ( 17:3 ) as developer and dinitrophenylhydrazine ethanol solution as coloration using silica gel G.

研究了六种结构不同的酰基苯肼化合物（通式：RPhNHNHCOR′）对卤化银乳剂感光性能的影响。

The effect of six phenylhydrazides ( general formula : R-Ph-NH-NH-COR ' ) on the photographic characteristics of silver halide emulsion has been studied .

方法：采用腹腔注射盐酸苯肼和用60Co照射的方法，形成小鼠骨髓抑制性贫血的模型，研究鸡血藤对小鼠的血象影响。

Methods : The aplastis anemia model was established by injecting Phenylhydrazine hydrochloride and irradiating 60 Co ray in mice .

确定了以光度计比色法测定天然抗氧化剂清除二苯基苦基苯肼（DPPH）自由基能力的条件。

A spectrophotometric method for determining 1,1-diphenyl-2-picryl-hydrazyl ( DPPH ) free radical scavenging activity of natural antioxidants was put forward .

在再灌注1、2h取脑组织，TBAR法测脑组织脂质过氧化产物丙二醛（MDA）含量，蛋白质氧化水平通过其特征性产物羰基基因与二硝基苯肼反应来测量。

Protein oxidation was assayed by a dinitro-phenylhydrazine method for carbonyl groups , which are characteristic products of protein oxidation .

HPLC测定啤酒中微量甲醛方法是将甲醛用水蒸馏后用0.2%2.4二硝基苯肼吸收，氯仿提取，HPLC测定，根据Rt定性、峰高定量。

The procedure of determining micro quantity formaldehyde in beer by HPLC involves distilling formaldehyde from the beer sample firstly , then being absorbed by 2,4 dinitrophenylhydrazone , extracted by chloroform , and finally measured through HPLC .

苯肼浓度0.01mM时，低渗溶血的K1快过程开始变慢，表明膜脂质流动性的降低。

The fast process ( K1 ) of osmotic hemolysis was affected at phenylhydrazine concentration > 0.01 mM . This means that the membrane fluidity is decreased .

其中对重氮化反应的温度，及由重氮盐还原成对一磺酰胺基苯肼时还原介质的PH值和亚硫酸钠用量等对反应及产率的影响。

The effect of the factors , such as the temperature of diazotizing reaction , the PH value of the reaction medium during the reduction of diazonium salt to p-sulfonamido phenylhydrazines and the amount of sodium suifite , on the reaction and production is discussed .

方法用四种锅烹调经整理、洗切、称重后的蔬菜样品，严格控制加盐和其他烹饪条件，用2,4-二硝基苯肼法测定样品中VC含量。

Methods Above-mentioned four pots were used to cook vegetables which have been selected , washed , cut , weighted and salted under similar way and cooking time . The Vc contents of vegetables , cooked and fresh , were measured by 2,4-dinitrophenylhydrazine .

方法建立小分子物质2,4二硝基苯肼（DNPH）的检测模型。

Method An assay format was developed based on the detection of 2 , 4-Dinitrophenylhydrazine .

并将磷酰苯肼和相应的硫代磷酰苯肼在环氧树脂（E-44）中的阻燃性能进行了对比试验，结果表明硫元素与磷、氮元素有协同作用。

The flame retardance in epoxy E-44 was discussed as well , and the flame retardance of the compounds of sulfur containing and not containing have been compared .

同时研究了脱色和超微粉碎对小麦麸皮膳食纤维的体外抗氧化能力的影响，如清除DPPH？（1,1-二苯基苦基苯肼）能力、还原力、螯合铁离子能力等。

The effect to antioxidant activities of high fibre products from wheat bran by decoloration and micronization were studied by the vitro methods . The DPPH ? scavenging , reducing power and chelating ability were evaluated .

对于二苯基苦味酰基苯肼自由基（·DPPH），石油醚层、二氯甲烷层、乙酸乙酯层、丙酮层、甲醇层粗提物均表现出对其有清除作用。

For bitter acyl benzene hydrazine free radicals (· OH ), crude extractings of petroleum ether layer , methylene chloride layer , ethyl acetate layer , acetone layer , methanol layer all represented the clearance of · DPPH .

本文采用四种降解体系（苯肼、硝基苯-过氧化氢、过硫酸钾-丙醛和高碘酸）制备液体天然橡胶（LNR）。

This paper studied that liquid natural rubber ( LNR ) was prepared respectively by four types of oxidative degradation agents ( phenyl hydrazine , nitrobenzene-hydrogen peroxide , potassium persulfate-propionaldehyde and periodic acid ) .

根据实验建立了Hz-841大孔树脂静态吸附容量与温度、苯肼浓度、以及离子强度间的相平衡关系。

The phase equilibrium relationship of static adsorption capacity of Hz-841 resin and temperature , phenylhydrazine concentration , and ions intensity was established .

选择2,4-二硝基苯肼（DNPH）为羰基化合物的衍生化试剂，建立了快速分离柱高效液相色谱测定卷烟主流烟气中8种羰基化合物的方法。

The determination of major carbonyl compounds in mainstream cigarette smoke by rapid column high performance liquid chromatography was investigated . The cigarette smoke was collected using a Cambridge filter treated with acidic solution of 2,4-dinitrophenylhydrazine .

方法应用荧光分光光度法、二硝基苯肼比色法和Habig法检测7乙氧基试卤灵O脱乙基酶（EROD）、B型单胺氧化酶（MAOB）和谷胱甘肽S转移酶（GST）活力。

Methods Fluorescence spectrophotometry was applied to measure the activity of 7 ethoxyresorufin O deethylase ( EROD ); the activity of monoamine oxidase type B ( MAOB ) was measured with dinitrophenylhydrazine spectrophotometry ; Habig 's method was used to detect the glutathione S transferase ( GST ) activity .

利用气相色谱/燃烧/同位素比值质谱（GC/C/IRMS）技术，采用2,4-二硝基苯肼（DNPH）衍生化，初步研究了单体化合物稳定碳同位素方法研究大气甲醛来源问题。

A method of compound-specific stable carbon isotopic analysis for the research about the sources of atmospheric formaldehyde was preliminary studied using gas chromatography / combustion / isotope ratio mass spectrometry ( GC / C / IRMS ) via 2 , 4-dinitrophenylhydrazine ( DNPH ) derivatization .

2,4-二硝基苯肼法测定苦杏仁甙及其药物代谢动力学的研究

Assay of Amygdalin Using 2 , 4-Dinitrophenylhydrazine and Pharmacokinetics of Amygdalin

酰基苯肼的感染显影及反差促进剂的作用

Effect of the contrast-promoting agent on the hydrazine infectious development

香烟烟气中羰基化合物含量的测定&2.4一二硝基苯肼法

Determination of carbonyl compounds in the cigarette smoke by the 2.4-dinitro phenylhydrazine

苯肼急性毒性研究

Toxicological Study of Chitin I . Studies on Acute Toxicity

苯甲酰肼与对硝基苯肼的热稳定性分析

Adiabatic stability analysis of benzoyl hydrazine and p-Nitro phenyl hydrazine