烯碳 的英文怎麼說
中文拼音 [xītàn]-
It contains more then 4, 000 chemicals which includes poisons and carcinogens. e. g. tar, nitcoine, carbon monoxide, ammonia, dimethylnitrosamine, formaldehyde, hydrogen cyanide and acrolein. the u. s. environment protection agency has classified secondhand smoke as a group a carcinogen
二手煙霧含有4 , 000多種的化學粒子和氣體,當中還包括了焦油、尼古丁、苯並芘等粒子,以及有毒氣體如一氧化碳、亞摩尼亞、甲醛、丙烯醛等。A hydrocarbon was known to be either an alkene or alkane.
某碳氫化合物已知可能是烯烴或是烷烴。The hydrocarbon must be an alkene.
這個碳氫化合物必定是烯烴。Advances in light alkenes production by hydrocarbon selective oxidation
烴類選擇氧化制低碳烯烴的研究進展Advances in the conversion of light alkanes to light alkenes
低碳烷烴催化轉化制取低碳烯烴反應工藝的研究進展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。Eighteen compounds in the oil were identified by g c / ms. they are : seven ketone compounds : 2 - undecanone, 6, 10 - dimethy, 1 - cyclohexanol - l - butanone, 2, 5 - hexanedione, 2 ( 4h ) - benzofuranone, 5, 6, 7, 7, a - tetrahydro - 4, 4, 7a - trimethyl, 3 - buten - 2 - one, 4 - ( 2, 6, 6 - trimethyl - 1 - cyclohex en - 1 - yl ) -, ( e ), 6 - dodecanone, 3 - buten - 2 - one, 4 - ( 2, 6, 6 - trimethyl - 7 - oxabicycl o4. 1. 0hept - l - yl ) ; three alcoholic compounds : a - terpineol. benzyl alcoho 1, phytol ; two alkyl and acyl amine components : undecane, tetradecane and hydrazinecarboxamide, n, n - diphenyl -, acetamidobenzene ; one ester, a idehyde, alkyne and acid : butanoic acid : 2 - propenyl ester, 1 - octadecyne, 1 - octadecyne, palmitic acid
三甲基一7一氧雙環p , l , 0庚烷基什丁烯酮上;醇3種:苯甲醇、 a松油醇、 3 , 7 , 11 , 15十六烯2醇1 ;烷2種:十一烷、十四烷;酚胺2種:姘基甲酚h苯胺、乙酞苯胺;酯、醛、炔、和酸備是1種:丁酸烯丙酯、十八碳醛、十八炔、十六碳酸。Allyl diglycol carbonate resin
碳酸烯丙基二甘醇酯樹脂Silica pigment, benzene parazolone, oxalic acid catalyzer, accelerant, catalyst, deposit carbon powder, starch, paraacetaminophenetol - sulfonamide, sodiumpara - aminosalicylate ( pasna ), dalmato, p - thephalic acid, diethylbenzene - amine, titanium dioxide, acticarbon, sodium fluosilicate, fluorite, by - thiamine, silica gel powder, synthetic resin, sulfonic acid, polypropylene resin, aureomycin, pyrosodium silicate, gluchlorine acid coffee grounds, glucose, sodium sulfate, sulfide mineral, guound phosphate rock, bb, p. v. c.,
M 、觸媒、沉澱炭粉、對乙酰氮基苯磺酰氨、對氨基水楊酸、哆耳瑪托、對苯二酸、二乙苯銨、二氧化鈦、活性碳、氟硅酸鈉、氟石礦、副產硫銨、硅膠粉未、合成樹脂、磷酸鈣、聚丙烯樹脂、金黴素、偏硅酸鈉、糠氯酸咖啡渣、口服葡萄糠、硫酸鈉、硫化礦、磷礦粉、蘭bb 、 p . vSeparation of dimethyl carbonate from its azeotrope with methanol using trichloroethylene
三氯乙烯恆沸精餾分離甲醇與碳酸二甲酯共沸物This product had strong property of separation and recovery of organic dissolvent and vapour, such as ether, ketone, alcohol, thf, dichlorotetra, chlorolform, narkosid, carbon disulfide disulphide, carbon, benzol, gasoline oil, etc
對醚類、酮類、醇類、四氫呋喃、二氯四烷、三氯甲烷、三氯乙烯、二硫化碳、苯、甲苯、甲酰、汽油及含汞、含氟烴類有機溶劑和有機蒸氣有很強的分離、回收性能。To the mosquito some people ' s sweat simply smells better than others because of the proportions of the carbon dioxide, octenol and other compounds that make up body odour
對蚊子而言,一些人的汗味,由於二氧化碳、八烯醇等組成身體氣味的復合物比例,聞起來就是比其他人好。Synthesis with carbocyclic compounds, such cyclodienylsilane, quinic acid and norbornene, etc, as starting materials is discussed in detail
重點介紹了以環二烯基硅烷、奎寧酸、降冰片烯等碳環化合物為原料合成碳環糖的進展。On the contact resistance between graphite polypropylene composite plate and carbon paper
聚丙烯復合板與碳紙間的接觸電阻Diphenyl carbonate shows a typical vinyl ester effect.
碳酸二苯酯表現典型的乙烯的酯類的效應。In these chloroplasts carbon dioxide combines with phosphoenolpyruvate to form oxaloacetic acid, which is transported to the bundle sheath cells, where the carbon dioxide is released, then fixed by the enzyme ribulose bisphosphate carboxylase to form glycerate 3 - phosphate, the first step in the calvin cycle
在葉肉細胞的葉綠體中二氧化碳與磷酸烯醇丙酮酸結合形成草酰乙酸,后被運到鄰近的維管束鞘細胞,在那裡二氧化碳被釋放,后被核酮糖二磷酸羧化酶固定形成3磷酸甘油酸,這是卡爾文的循環第一步。In the ethyne molecule, a double bond links together the two carbon atoms.
在乙烯分子中是由一個雙鍵將兩個碳原子連結在一起的。The triple bond does not usually react so vigorously at a carbon-carbon double bond.
三鍵在反應時一般不象烯烴中的碳-碳雙鍵那樣劇烈。It seemed that in methane there was twice as much hydrogen to 1 part of carbon as there was in ethylene.
看來甲烷中含有的氫是乙烯中的兩倍,而碳的含量都是1份。The applications of iron - containing compounds ( pd / fe bimetallic system, fes2, fe2o3, fes, fe4 ( superscript ) fe2 ( superscript ) ( oh ) 12so4yh2o, etc ) in degradation of chlorination compounds, such as hexachloroethane, carbon tetrachloride, pentachloroethane, tetrachloroethane, trichloroethane, trichloroethylene, tetrachloroethylene and so on, are reviewed in this paper, as well as their reaction mechanisms
摘要綜述了鈀鐵、二硫化鐵、硫化鐵、三氧化二鐵、綠銹等含鐵化合物在降解六氯乙烷、四氯化碳、五氯乙烷、四氯乙烷、三氯乙烷、三氯乙烯、四氯乙烯等有機氯化物中的應用以及降解機理。分享友人