胺化產物 的英文怎麼說
中文拼音 [ànhuàchǎnwù]
胺化產物
英文
aminate-
The chloromethylation of acetanilide and its derivatives in a polyformaldehyde - hc1 system gave n - substituted products as the major product
摘要?察了乙酰苯胺及其衍生物在多聚甲醛鹽酸體系下的氯甲基化反應，結果表明， n -氯甲基化反應的產物是主要產物。Effect of preadsorption and shape selective desorption on methanol amination product distribution
預吸附及擇形脫附對甲醇胺化產物分佈的影響Such as when the substrates was benzidine and a - naphthol, the absortion peak was 450nm after catalyticed by dna, and 501nm after catalyticed by pod, if changing substrate to benzidine and pyrocatechol, the absortion peak was 503nm after catalyticed by dna and 603nm after catalyticed by pod. the second difference was the different result after hplc : the result of hplc ( substrates : benzidine and a - naphthol ) showed that the products under the affect of dna and pod had different value on the peak and the area
然後對以聯苯胺與-萘酚為底物，以h _ 2o _ 2為氧化劑，進行高效液相色譜分析，分析結果表明dna與過氧化物酶作用后的產物在峰面積和峰高上有不同數值；同時，不同形式的dna對該反應都有催化活性，表明只要是生物來源的dna （非特異性dna ）都具有一定程度的催化活性。In an asthma attack the bronchioles ( tiny airways in the lungs ) constrict, triggering the release of histamine and other chemicals that, in turn, cause inflammation, swelling and the production of extra mucus, making it hard to breathe
在哮喘發作的時，支氣管（肺部的小氣道）收縮，觸發釋放組胺和其他化學物質，從而引起炎癥、腫脹和產生特別的粘液，導致呼吸困難。Abstract : a wide variety of natural products, e. g. alkaloids, - lactames, biotin, amino sugars has been synthesized by 1, 3 - dipolar cycloaddition reaction between nitrones and alkenes
文摘:通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然產物，如生物堿、 -內酰胺、生物素、氨基糖等。By controlling those parameters, the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced, the performances of product also improved
通過控制這些因素提高了密胺樹脂高效減水劑的羥甲基化率和磺化率，改善了產物性能。When vitamin c reacts with nitrite in acid it forms nitric oxide. however, the nitric oxide can diffuse into fat ; react with oxygen to form nitrosamine - generating chemicals
當維生素c在酸性環境下與亞硝酸鹽反應時，生成一氧化氮。然而，一氧化氮能夠擴散到脂肪中去；與氧反應生成會產生亞硝胺的化學物質。05. 01, 06. 04, 10. 03 aniline point and mixed aniline point of petroleum products and hydrocarbon solvents, method of test for 05. 01, 06. 04, 10. 03
石油產品和碳氫化合物溶劑的苯胺溶點和混合苯胺溶點測試方法Abstract : in this paper, a imidazole - salt was synthsised and was used with a polyphenol compound to modify the dicyandiamide curing epoxy resin system
文摘:本文針對雙氰胺固化環氧樹脂時的固化溫度高，固化產物耐濕熱性差的缺點，利用自行合成的咪唑鹽和多羥基酚類化合物，對雙氰胺固化體系進行了改進。Research from the nci has shown that overcooking meat creates chemicals called heterocyclic amines, which have been linked to cancer in animals. 3. eating like a cow
國家癌癥中心的報告指出燒焦的肉類會產生一種雜環狀胺類的化學物質，此一物質在實驗的動物身上產生癌癥。In part 3, the in - situ copolymerization of ethylene was investigated by the combinations of the cobalt - based catalyst and the metallocene to prepare short - branched polyethylene. the major oligomers catalyzed by the cobalt - based catalyst 5, 6 and 7 werel - butene, and the minor were 1 - hexene. the comonomer effects were also observed
在雙亞胺基吡啶鈷配合物與茂金屬復配催化乙烯原位共聚制備短支鏈支化聚乙烯中，合成了3種雙亞胺基吡啶鈷配合物，研究了反應條件對其催化乙烯齊聚活性和所得產物碳數分佈的影響。It was proved that the amount of immobilized antibody and the immunoactivity of bound antibodies could be well improved by colloidal au. hrp labeled antibody reacted with antigen, then hrp biocatalyzed dab ( 3, 3 ’ - diaminobenzidine ) in the presence of h _ 2o _ 2, resulting in an insoluble product onto the electrode surface, to achieve an obviously decreased frequency
在h _ 2o _ 2存在下，通過標記在抗人igg抗體上的辣根過氧化物酶（ hrp ）催化底物3 ， 3 』 -聯苯二胺（ dab ） ，反應生成不溶性產物沉積到石英晶振的au電極表面，達到質量放大的目的。The application and general synthetic technology of aromatic amine was introduced in this paper briefly the technical and economical review was emphased, and suggestionsahe election of reducional methods were put forward
本文簡要敘述了芳胺用途、常用合成工藝，重點對各生產工藝進行了技術、經濟評析，並對芳香族硝基化合物還原方法的選擇提出了自己的看法。The relationship between the relative contents of 5 - hydroxytryptamime ( 5 - ht ) and its receptor and age in days of postnatal rat was studied by using immunohistchemistry and in situ quantitative analysis
為研究大鼠頜下腺5 -羥色胺及其受體的相對含量與日齡的關系，用免疫組織化學法結合原位定量，測定了大鼠頜下腺5 -羥色胺及其受體免疫反應產物的相對含量。The company has been always keeping the advanced technologies in this industry at home, and as comparing with other companies, our products have lower prices, while exhibit better performances
公司生產的聚丙烯酰胺、高分子化合物以及羥丙基瓜爾膠與國內同類產品相比具有較高的性能及價格比，居行業領先水平。Graft co - polymer of starch - acrylamide, tested by ir, was prepared by microwave radiation and chemical graft
摘要微波預輻射法和化學接枝法均可合成澱粉丙烯酰胺接枝物，產物可經紅外光譜證明。O - or n - alkylation was carried out directly by simple heating the mixture of carboxylic acid or amine with quaternary ammonium salt
將羧酸或胺類化合物與季銨鹽進行簡單的混合加熱，便可直接得到o -或n -烷基化產物。The dynamic change of monoamine neurotransmitters and their metabolite in various brain regions of cerebral ischemia reperfusion mice
腦缺血再灌注小鼠腦內不同神經核團單胺遞質及其代謝產物的變化The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47. 8 %
用異丙胺對產物進行萃取提純，制得了純度較高、收率為47 . 8 %的硼氫化鈉產品。Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg
通過聚乙二醇與過量的丙烯酸採用全連續法進行反應，測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程，而利用紅外光譜（ ir ）分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱，而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢：隨著酯化時間的延長和聚乙二醇分子量的增大，產生的「酯化水」逐漸增加，酯化產物的酸值逐漸降低；從酯化時間看，當反應時間達到300min時，酯化物的酸值達到最小，而從ir分析來看，酯化物pea4的羥基峰在300min時減弱到最小， pea23在120min時羥基峰的表現出酯化基本完全。分享友人