addition reaction 中文意思是什麼

addition reaction 解釋
加成反應
  • addition : n. 1. 附加,追加;附加物。2. 【數學】加法,加算。3. 【法律】(加在姓名后的)頭銜,官銜;稱號。4. (建築物的)附加部分。
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  1. Thus, the paper focuses on mineralogy, petrology, petrogeochemistry, isotopic chorology, and sr - nd - pb isotopes of the mafic intrusions and dikes in fujian province, se china. in addition, we also discussed the process of the plate subduction, mantle evolution, crust - mantle interaction, lithospheric thinning and extension, and the reaction for crustal extensi on in fujian province, se china. ( 1 ) daiqianshan mafic intrusion is situated along the changle - nanao fault, which intruded in the metamorphic rocks

    基於此,本文以中國東南部福建省的基性脈巖、巖體為研究對象,運用系統的礦物學、巖石學、巖石地球化學、同位素地球化學及同位素年代學證據,詳細論述了晚中生代中國東南部板塊俯沖、地幔演化、殼幔相互作用及巖石圈伸展減薄的地球動力學過程,探討了地殼拉張期次在福建省區域構造上的響應。
  2. The addition reaction with hydrogen cyanide is base-catalysed.

    與氰氫酸的加成是堿催化的。
  3. Using bf3 - et2o as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization

    烯丙醇和環氧氯丙烷在三氟化硼乙醚絡合物的催化作用下進行加成和環化反應制得標題化合物。
  4. Depending upon reaction conditions, the product may be a polyketone formed b y addition polymerization of the ketene double bond.

    隨著反應條件的不同,產物可以是由烯酮的雙鍵加成聚合得到的聚酮。
  5. And the effects of storage temperature and glucose addition on browning of bread were investigated, and it was further confirmed that the main browning reason of bread crumb was maillard reaction

    同時研究了貯存溫度、葡萄糖添加量對麵包褐變的影響,進一步驗證了美拉德反應是麵包褐變的主要原因。
  6. In addition, elutriation, growth, shrinkage and reaction act differently for the different-sized particles in the bed.

    此外,揚析、長大、縮小和反應對床層中不同粒度的顆粒所引起的作用也不相同。
  7. The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered

    氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。
  8. Abstract : a novel enzymatic reaction ? ammonolysis was introduced in thenineties. this reaction not only provides a synthetically useful and mild alternative method for the synthesis of amides, but also can be used for the kinetic resolution of chiral alcohols or chiral carboxylic acids. in addition to enantioselective hydrolysis, esterification and transesterification, ammonolysis also shows high enantioselectivity in the resolution of racemates

    文摘:酶促氨解反應是20世紀90年代中期發現的一種新型反應,在脂肪酸酰胺的合成、手性藥物(手性酸及手性醇等)的拆分中顯示出巨大的應用潛力,是除立體選擇性水解、酯化、轉酯反應之外的另一具有較大開發應用前景的酶促新型反應。
  9. Hi addition, with regard to the computation of the maximum / minimum moment, shear force, settlement and foundation reaction of pile capping beam, the randomness of both pile capacity and foundation modulus are statistically analyzed in virtue of the method ? monte carlo. accordingly, the random probability analysis of the internal force of pile capping beam can be achieved

    並通過蒙特卡洛( montecarlo )法對基樁承載力、土體基床系數的隨機性進行統計分析,獲得了承臺梁彎矩、剪力、沉降以及基底反力的最大(小)值,從而實現了樁基承臺梁內力計算的隨機概率分析。
  10. Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr

    對苯醌與乙酸酐經1 , 4 -加成生成1 , 2 , 4 -苯三酚三乙酸酯,然後與蘋果酸反應經水解、環合反應得6 , 7 -二羥基香豆素,再經甲基化得到6 , 7 -二甲氧基香豆素,總收率為74 . 4 % ,整個過程反應條件溫和,操作方便,適合工業生產的要求,對產品結構進行了ir和1hnmr表徵。
  11. On the contrary to the vinyl and aryl chlorides, the oxidative addition reaction of zerovalent palladium to chloro - substituted phosphaalkenes proceeded smoothly under mild conditions

    摘要與氯代烯烴或芳烴相反,氯代膦烯與零價鈀的氧化加成反應可以在溫和條件下進行。
  12. Abstract : benzotriazole is a good corrosion preventive compound that can reacts with aldehyde and alcohol. the addition reaction is used to synthesize eight alkoxyalkyl benzotriazoles by benzotriazole, propionaldehyde and methanol, ethanol, propanol, iso - propyl alcohol, n - but anol, iso - butanol, sec - butanol, tert - butanol. their structures were confirmed by elemental analysis, ir and 1hnmr. the mechanism of addition reaction was discussed

    文摘:利用苯駢三氮唑、丙醛分別和甲醇、乙醇、丙醇- 1 、丙醇- 2 、丁醇- 1 、丁醇- 2 、 2 -甲基丙醇- 1 、 2 -甲基丁醇- 2反應合成了八種烷氧基烷基苯駢三氮唑,通過元素分析、 ir 、 1hnmr對上述化合物的結構進行了測定,並討論了這類加成反應的歷程。
  13. They may be modified by the addition reaction of other monomers, such as styrene or acrylic esters

    它們可以被加以其它單體而改性,如苯乙烯、丙烯酸酯。
  14. Michael addition reaction

    麥克爾加成反應
  15. Because the reaction initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction.

    因為反應是由親電試劑的附加而開始的,所以這個過程叫做親電加成反應。
  16. Because the reaction is initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction.

    因為反應是由親電試劑的附加而開始的,所以這個過程叫做親電加成反應。
  17. In this paper, research progress in the studying of high efficiency halogenation agent in recent years was reviewed and the application of a series of high efficiency halogenating reagents in halogenating substitution reaction and halogenating addition reaction were introduced

    本文對近年來在高效鹵化試劑研究方面取得的進展進行了綜述,介紹了系列高效鹵化劑在鹵化取代反應、鹵化加成反應等方面的應用。
  18. Theoretical study on the addition reaction for dichlorocarbene with carbon monoxide

    二氯卡賓與一氧化碳加成反應機理的量子化學研究
  19. Markovnikov ' s rule and anti - markovnikov ' s rule in addition reaction to unsymmetrical alkenes

    不對稱烯烴加成反應中的馬氏規則和反馬氏規則
  20. The yield of the addition reaction was increased from 66 % to 98 % because the synthesis method was improved

    改進合成方法使加成反應的產率由原來的66 %提高到98 % 。
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