例句與造句

1. The addition reaction with hydrogen cyanide is base-catalysed .
   與氰氫酸的加成是堿催化的。
2. Because the reaction initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction .
   因?yàn)榉磻?yīng)是由親電試劑的附加而開始的，所以這個(gè)過(guò)程叫做親電加成反應(yīng)。
3. Because the reaction is initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction .
   因?yàn)榉磻?yīng)是由親電試劑的附加而開始的，所以這個(gè)過(guò)程叫做親電加成反應(yīng)。
4. Study on addition reactions of nitriliums with bicyclo 2 , 2 , 1 - hept - 2 - ene
   氮雜炔正離子與二環(huán)烯加成反應(yīng)的理論研究
5. Michael addition reaction
   麥克爾加成反應(yīng)
6. It's difficult to find addition reaction in a sentence. 用addition reaction造句挺難的
7. Theoretical study on the addition reaction for dichlorocarbene with carbon monoxide
   二氯卡賓與一氧化碳加成反應(yīng)機(jī)理的量子化學(xué)研究
8. Markovnikov ' s rule and anti - markovnikov ' s rule in addition reaction to unsymmetrical alkenes
   不對(duì)稱烯烴加成反應(yīng)中的馬氏規(guī)則和反馬氏規(guī)則
9. 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。
10. The yield of the addition reaction was increased from 66 % to 98 % because the synthesis method was improved
    改進(jìn)合成方法使加成反應(yīng)的產(chǎn)率由原來(lái)的66 %提高到98 % 。
11. Progress of organozinc reagents in asymmetric addition reactions catalyzed by sulfur - containing chiral ligands
    含硫手性配體催化的有機(jī)鋅試劑在不對(duì)稱加成反應(yīng)中的最新研究進(jìn)展
12. In order to make the atom economy more clear , the rearrangement reations addition reactions and isomerization reactions for examples were interpreted
    通過(guò)有機(jī)化學(xué)反應(yīng)中重排反應(yīng)、加成反應(yīng)和異構(gòu)化反應(yīng)等對(duì)原子經(jīng)濟(jì)性進(jìn)行了探討。
13. 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(jià)鈀的氧化加成反應(yīng)可以在溫和條件下進(jìn)行。
14. 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(duì)近年來(lái)在高效鹵化試劑研究方面取得的進(jìn)展進(jìn)行了綜述，介紹了系列高效鹵化劑在鹵化取代反應(yīng)、鹵化加成反應(yīng)等方面的應(yīng)用。
15. 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(yīng)合成了八種烷氧基烷基苯駢三氮唑，通過(guò)元素分析、 ir 、 1hnmr對(duì)上述化合物的結(jié)構(gòu)進(jìn)行了測(cè)定，并討論了這類加成反應(yīng)的歷程。
16. 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(duì)苯醌與乙酸酐經(jīng)1 , 4 -加成生成1 , 2 , 4 -苯三酚三乙酸酯,然后與蘋果酸反應(yīng)經(jīng)水解、環(huán)合反應(yīng)得6 , 7 -二羥基香豆素,再經(jīng)甲基化得到6 , 7 -二甲氧基香豆素,總收率為74 . 4 % ,整個(gè)過(guò)程反應(yīng)條件溫和,操作方便,適合工業(yè)生產(chǎn)的要求,對(duì)產(chǎn)品結(jié)構(gòu)進(jìn)行了ir和1hnmr表征。