親核的 的英文怎麼說
中文拼音 [qīnhéde]
親核的
英文
nucleophilic
-
核 :
核構詞成分。
-
的 :
4次方是 The fourth power of 2 is direction
-
Amines can engage in nucleophile substitution reaction with alky.
胺能參加與鹵代烷
的親核取代反應。
-
Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc
文摘:綜述了近幾年釕亞乙烯基絡合物中間體-碳
的親核反應。
親核試劑包括烯烴、炔烴、醇、酸、胺、水等。
-
The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step.
溴化氫加成
的最後一步,是負離子
親核試劑
的附加。
-
Many groups can be added by nucleophilic substitution on a diazonium salt.
許多基團可通過向得自膠
的重氮鹽作
親核取代而加以導入。
-
Protoplasted monokapyon ( pm ) were prepared from lentinus edodes strains jingxuan and wuxiang, respectively, intercross process were put in practice
摘要以香菇菌株精選和武香作為
親本制備單
核原生質體,將兩個
親本
的單
核原生質體進行一一雜交。
-
A stepwise nucleophilic displacement involving 36 was highly unlikely.
涉及(36)
的這種逐步
親核取代是不大可能
的。
-
A stepwise nucleophilic displacement involving 36 was highly unlikely
涉及( 36 )
的這種逐步
親核取代是不大可能
的。
-
In 1984, dr. chou began the study of deprotonation substitution reaction of 3 - sulfolene and developed the reaction to an ideal methodology of using 3 - sulfolene as the precursor for butadienyl - 1 - anion
在合成上
的應用,成功
的驗證它們可當成共軛雙烯
的親核性,或
親電性
的對等物
-
Chelating and detoxification metal ions are also the focus of many researchers. according to lewis soft - hard acid - base theory, aluminum is the hardest trivancy lewis acid, and polyphenols are lewis base theoretically, they can combine together tightly
根據lewis軟硬酸堿理論,鋁是三價金屬離子中最硬
的lewis酸,而多酚類卻是lewis堿(電子對供體,
親核體) ,兩者可以很好
的結合。
-
The most general means of generating carban nucleophiles involves removal of a proton from a carbon.
從碳原子上移走一質子,是產生
親核性碳
的最普通手段。
-
In the case of the unsaturated alcohols, such as hydroxyethyl acrylate ( hea ), the paes showed the photo - alignment property to the nematic liquid crystals with the pretilt angle of 0. 60 ? secondly, three kinds of fluoro - containing diamine monomers were prepared via the reduction reactions of the corresponding dinitro compounds, which were synthesized via the nitro nucleophilic displacement reactions of 3, 5 - dinitro - 5 - trifluoromethyl benzene with diphenol compounds
此外,本論文還設計並通過3 , 5 -二硝基三氟甲苯與二酚化合物
的硝基
親核取代反應制備了二硝基化合物,將其還原最終合成了三種間位取代
的含氟二胺單體tfpda 、 tfbpda與tfmda ,並對其聚合行為進行了研究。
-
Treatments of pyrylium salts with various nucleophilic reagents allows the production of a host of functionalized derivatives.
如果各種
親核試劑與吡喃鹽反應,就可制取許多種帶官能基
的衍生物。
-
Nucleophilic ring opening reaction of unsymmetric aziridines and its regioselectivity
非對稱氮雜環丙烷
的親核開環反應及其區域選擇性
-
Nucleophilic aromatic substitution. strategies in the synthesis of multisubstituted benzene derivatives
親核性芳香取代。多取代苯衍生物合成
的策略。
-
Directing effects in electophilic aromatic substitution. nucleophilic aromatic substitution. strategies in the synthesis of multisubstituted benzene derivatives
31
親電性芳香取代
的定位效應。
親核性芳香取代反應。合成多取代苯衍生物
的策略。
-
Karyotype analyses could be used for evidence of hybridization with obvious difference of parental chromosomes, chromosomes characteristic of both parents were observed in l. davidii var. unicolor x ' yellow ' and l davidii var. unicolorx " cordelia "
對于染色體結構差異顯著
的親本雜交,可以通過
核型分析進行雜種鑒定,蘭州百合黃色及蘭州百合克得利亞
的後代中都能發現
親本
的特徵染色體。
-
Oh all right, dear my friend you can leave your comment here, some of them may have to be approved before public ! thank you for your support
親愛
的朋友們,為了防止垃圾評論,所有
的留言可能要經過我
的審
核而暫時無法顯示,請你們諒解!
-
Its core is developing students " chinese innovative spirit and practical ability. its basic aims include improving the ability of discovering and putting forward problems, developing the scientific manner and spirit and perfecting the personality of the students. its basic content is the summation of scientific inquiry methods and knowledge, plenty of experiences, the ability of applying chinese and so on
它以培養學生
的語文創新精神、語文實踐能力為
核心,以培養學生善於在語文學習
的過程中發現問題、提出問題
的能力和語文學習應有
的科學態度、科學精神和促進學生
的人格完善為基本目標,以在語文研究性學習
的過程中所應掌握
的科學研究方法和知識、學生個人
親歷
的豐富體驗、實際運用語文
的能力等方面
的總和為基本內容。
-
Scientists certainly make mistakes, and also seek to present their results in the most favourable light, but the scientific peers of an author who review his work for publication cannot be expected to repeat and verify it, so they have to start from the assumption that any manuscript they receive is telling the truth as the author sees it
科學家們當然會出錯,也努力美化其研究成果,然而,科學家
的研究報告多由其同僚復審,而同僚們無法重復試驗或
核實其真假,因此他們帶著這樣
的假設開始復
核:他們所拿到
的任何研究報告草案都是作者所
親見
的真實。
-
Effect of n - containing nucleophiles on ib carbocationic polymerization effect of hexpyridine and the mechanism of nucleophiles
六氫吡啶的作用及其含氮類親核試劑作用機理