二苯胺

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  • diphenylamine
二苯胺二苯胺
  1. 二苯胺试验,吖啶橙染色、甲醛试验及热变性曲线表明,该病毒是单链DNA病毒。

    Tests with diphenylamine , formaldehyde , and staining with acridine orange as well as the curves of thermal denaturation showed that this strain of virus had a single stranded DNA .

  2. 高能注射法制备MO(N)/γ-Al2O3催化剂用于苯胺气相缩合生成二苯胺的研究

    Study on the Catalyst of Mo ( N ) / γ - A1_2O_3 Prepared by High Energy Injection for the Vapor - phase Condensation of Aniline to Diphenylamine

  3. 对生物化学实验《猪脾脏DNA提取与二苯胺测定法》中DNA提取简化方法的两点意见

    Two Suggestions on the Simplified Method of Abstracting DNA from Spleen of Swine

  4. 用一条TG曲线确定六硝基二苯胺钾的热分解机理函数

    Determining Thermal Decomposition Mechanism of Potassium Hexanitrodiphenylamine by a Single TG Curve

  5. 苯胺气相缩合制二苯胺稀土改性F~-/γ-Al2O3催化剂的研究

    Study on F - / γ - Al_2O_3 Catalyst Modified by Rare Earth Element for the Vapor-Phase Condensation of Aniline to Diphenylamine

  6. 在滴流床反应器中,在ST06型镍催化剂的作用下,进行了4-硝基二苯胺液相连续加氢还原制RT培司(4-氨基二苯胺)的试验。

    In a trickle-bed reactor , the reaction rule of continuous hydrogenation of 4-nitrodiphenylamine to produce 4-aminodiphenylamine was studied .

  7. 方法采用四血管闭塞法制备大鼠脑缺血再灌注模型后,用二苯胺法测定脑缺血再灌注组及金纳多治疗组随缺血再灌注时间延长皮质DNA裂解率变化。

    Methods The rats cerebral ischemia and reperfusion model by four - vessel occlusion method was used to observe the change of DNA splitting rate between ischemia and reperfusion group and Ginaton group .

  8. 二苯胺法及流式细胞仪检测细胞凋亡;RT-PCR测bcl-2mRNA表达。

    The quantitation of DNA fragment and flow Cytometry were used to investigate apoptosis and RT-PCR was used to determine the expression of bcl-2 mRNA .

  9. 二苯胺磺酸钠对B-Z振荡反应的影响

    Effects of sodium diphenylamine sulfonate on the B-Z oscillating reaction

  10. 利用氟离子对H2O2Fe(Ⅲ)二苯胺磺酸钠催化反应体系的抑制作用,提出了一种测定痕量氟的动力学方法。

    A method for the determination of trace fluorine has been proposed based on the inhibitory effect of F - upon the catalytic redox reaction of Fe (ⅲ) - H2O2-sodium diphenylamine sulfonate systems .

  11. 对硝基偶氮二苯胺接枝PVK的制备及其光电导性能研究

    Study on the Preparation and Properties of Photoconductivity for p-Nitro Azo Bi-Benzene Amine Grafting PVK

  12. 方法:用形态学观察、DNA电泳、流式细胞仪(FCM)分析及二苯胺(DPA)法检测细胞凋亡;

    Methods : Apoptosis induction was detected by means of DNA gel electrophoresis , morphologic assay , flow cytometric ( FCM ) analysis and diphenylamine ( DPA ) method respectively .

  13. 用抗坏血酸、半胱氨酸和二苯胺为外源自由基清除剂,喷施于有5张展开叶威廉斯香蕉组培苗的叶片,经4~5℃处理12h后,研究自由基清除剂对香蕉的保护作用。

    Three free radical scavengers , Vc , cysteine and diphenylamine were used to study the protective effect on banana under low temperature stress .

  14. RT培司,化学名称4―氨基二苯胺,是一种染料中间体,也是生产对苯二胺类防老剂的重要原料,在橡胶助剂、染料、制药等行业得到广泛应用。

    RT base ( 4-aminodiphenylamine ), as an important dyestuff intermediate and raw material for 1,4-diaminobenzene antiager , has been widely applied to rubber auxiliary , dye and pharmacy industry .

  15. 二苯胺(DPA)是一种用量很大的化工原料,因此本实验使用Fenton试剂对二苯胺废水进行处理。

    Diphenylamine ( DPA ) is a kind of material applied in chemical engineering widely . Fenton reagent was employed to treat DPA wastewater in this experiment .

  16. 采用一条TG曲线确定了六硝基二苯胺钾的热分解机理函数,并与其他方法进行了比较,试验结果证明该方法是完全可行的。

    The thermal decomposition mechanism of potassium hexanitrodiphenylamine has been determined with a single TG curve in this paper . The results have been compared with these of the other methods and prove to be completely feasible .

  17. 以四唑盐(MTT)法检测细胞相对数,二苯胺显色法测各瓶细胞DNA含量,咔唑硫酸法测基质中糖醛酸含量,以间接反映蛋白多糖含量。

    The relative number of chondrocytes was measured by methyl thiazolyl tetrazolium method , DNA content of chondrocytes by diphenylamine development process and the glucuronic acid ( GlucA ) content in the matrix by carbazole sulfate so as to reflect the content of proteoglycan .

  18. 以含0.2%的二苯胺DPA保鲜纸和0.2%的DPA浸果处理效果明显,虎皮病情指数分别为0.87%和1.59%,显著低于其他处理;

    Ya-li pear paper dipped in 0.2 % DPA and the treatment with 0.2 % DPA significantly decreased the scald , the index was 0.87 % and 1.59 % ;

  19. 以二苯胺和含C12的混合异构烯烃为原料,通过烷基化工艺,研制出了适于高温条件下应用的不含磷、锌元素的液态胺型无灰抗氧剂双十二烷基二苯胺(HAO)。

    A liquid amine ashless antioxidant HAO without phosphorus and zinc was prepared by alkylation of diphenylamine and 12 carbon iso olefin mixture , which can be applied at high temperature .

  20. 术后12天,取其胸腺细胞体外培养24小时,用二苯胺(DPA)法测胸腺细胞凋亡率。

    On the twelfth day after the surgery , the thymocytes were cultured for 24 hours in vitro , and then the percentage of thymocyte apoptosis was measured by using the diphenylamine reagent .

  21. 对苯胺在DH1催化剂上合成二苯胺的反应规律进行了研究。

    The reaction of aniline over catalyst DH-1 to synthesize diphenylamine has been studied .

  22. 方法经HHar作用后的AL原代细胞由光镜、电镜观察形态特征,DNA凝胶电泳、二苯胺法测定生化特征,SSPS软件分析量效关系。

    Methods The morphological changes were observed by microscope , SEM and TEM , the biochemical characteristics were observed by DNA agarose gel electrophoresis , internucleosomal DNA fragmentation ratios . The time dose effect relationship was analyzed by SSPS software .

  23. 并且由棕色环、二苯胺和克氏定氮实验结果表明:硝酸钠在反应前后既没有消耗也没有发生性质的改变,只是在体系中起到了加速BTCA与纤维素酯化反应速率的作用。

    Experiment result of brown ring , diphenylamine and Kjeldahl method confirm that SN accelerate the esterification of BTCA with cellulose , and without consumption and character change itself in the whole reaction .

  24. 于培养基中分别添加0.5mM的愈创木酚、二苯胺和苯甲醇3种化学物质,它们相应对H-104-1菌株漆酶的产生都有不同程度的诱导作用。

    And adding benzyl alcohol , diphenylamine and guaiacol , all of the three reagent can stimulated the production of laccase activity of Paecilomyces sp.H-104-1.Immobilized Paecilomyces sp.H-104-1 on active carbons supporter and cultured .

  25. 二苯胺(DPA)水溶液在紫外区有特征吸收,因此本实验是在紫外光区(270nm)的分光光度法直接测定的。

    We can detect it by applying direct ultraviolet photometric analysis . DPA in water has strong absorption in UV range . Thus , the experiment adopts photometric analysis in UV wavelength ( 270nm ) to detect the content of DPA in wastewater directly .

  26. 目前我国的二苯胺生产能力约为10000t/a,因一部分生产厂处于停产或半停产状态,1999年的实际生产能力约为8000t/a,产量约为5500t,1999年二苯胺市场供需基本平衡。

    Because some producers stopped or half-stopped production the actual capacity was 8000 t / a and output was 5500 t / a in 1999 . The demand of diphenylamine was basically balanced with supply in 1999 .

  27. 苯胺气相缩合生产二苯胺的研究

    Study of Vapor - Phase Condensation of Aniline to Produce Diphenylamine

  28. 不同结构二苯胺重氮盐及重氮树脂的光,热分解

    Photo and thermal decomposition of different diphenylamine-4-diazonium salts and their resins

  29. 催化加氢制备4-氨基二苯胺反应液的高效液相色谱分析

    High-performance Liquid Chromatographic Determination of 4-Aminodiphenylamine Liquid Prepared by Catalytic Hydrogenation

  30. 工作场所空气中二苯胺的紫外分光光度测定法

    Determination of Diphenylamine in Air of Workplaces by UV Spectrophotometry Method