This method can be used to calculate the molar refraction of alkyne from molecular structure.

基團(tuán)貢獻(xiàn)法是根據(jù)分子中的基團(tuán)計(jì)算分子性能的方法日韩中文中幕无码AV，具有適用范圍廣的特點(diǎn)26uuu欧美杂交，但對同分異構(gòu)體的區(qū)分能力較差欧美性爱一级大黄片，對分子性能的計(jì)算結(jié)果誤差較大久久久三级。

Bond breaking and the formation of alkyne end groups and free radicals were observed.

采用多種手段研究了35MeV/u的Ar離子輻照聚酯膜產(chǎn)生的微觀結(jié)構(gòu)變化。

The mechanisms of the ruthenium-catalyzed reaction of organic azide with terminal alkyne have been investigated using density functional theory.

采用密度泛函理論人人妻人人干白浆，對在Ru催化劑存在下淫秽网站在线看，有機(jī)疊氮化合物和末端炔的反應(yīng)機(jī)理作了深入理論研究。

The alkyne group and bromide atom were introduced onto PS end by a series of modification of the functional group.

通過水解位于HPG和PS鏈之間的酯鍵測定PS-b-PEO和HPG-g-的分子量和組成日本欧美自拍主播偷拍。

Based on characteristics and connectivity of the groups in molecules,the group contribution method and topological method was combined together,a new method was developed which can be used to calculate the density of alkyne from molecular structure.

根據(jù)分子中基團(tuán)的特性和連接性一区二区毛片网站，將基團(tuán)貢獻(xiàn)法和拓?fù)浞椒ńY(jié)合在一起，發(fā)展了一種計(jì)算炔烴密度的新方法———基團(tuán)鍵貢獻(xiàn)法国产精品自拍三区，該方法具有基團(tuán)貢獻(xiàn)法適用范圍廣和拓?fù)浞椒ㄓ?jì)算結(jié)果準(zhǔn)確可靠的特點(diǎn)在线亚洲综合日本。

alkyne：炔烴

C=C大于C―C單鍵,但又小于C―C鍵能的2倍,由此推斷,π鍵的鍵能小于σ鍵的鍵能.π鍵不如σ鍵牢固,比較容易斷裂,易發(fā)生化學(xué)反應(yīng),從而表現(xiàn)出π鍵比σ鍵活潑,烯烴比烷烴易發(fā)生加成反應(yīng).炔烴(alkyne)的結(jié)構(gòu)特征是C≡C中的碳原子均為sp雜化,

alkyne：炔

alkylation烷(基)化 | alkyne炔 | all or none全或無

alkyne：[化]炔

learnery [美]女子寄宿學(xué)校 | alkyne [化]炔 | standard bar 標(biāo)準(zhǔn)桿, 檢驗(yàn)桿

alkyne：炔; 鏈炔烴

alkylphosphonothio dihalide 烷基硫代膦酰二鹵 | alkyne 炔; 鏈炔烴 | alleviating measures 緩和措施; 減輕措施

alkine,alkyne：炔

"烯基","alkenyl group" | "炔","alkine; alkyne" | "炔基","alkinyl group; alkynyl group"