烯 的英文怎麼說
中文拼音 [xī]
烯
英文
名詞[化學] (有機化合物的一類) alkene; olefince-
Aas acrylonitrile - bcry ate - styrene opolymer
丙烯腈一丙烯酸脂一苯乙烯共聚物The role of ethylene and aba in cut hedychium coronarium spike senescence
乙烯與切花衰老及其調節機制The slides are first cleaned ultrasonically several times in alternate baths of trichlorethylene and acetone, and are then scrubbed with a mildly abrasive detergent.
首先,把載片輪流放在三氯乙烯和丙酮溶液池中,用超聲清洗若干次,然後用一種中極的研磨去垢劑擦洗。While the fruits ripening process was delayed in leetrl antisense fruits. epinastic of leaves in leetrl antisense plants was only occasionally observed, which was not observed in leetr2 antisense plants ; ( 5 ) when treated by exogenous ethylene ( 25ul / l ), the abscission of antisense leetr2 petiole explants was delayed. moreover, leaf epinasty failed to be induced by ethylene treatment c, which suggested that these tissues were insensitive to ethylene
( 5 )植株衰老和葉片脫落延遲,花瓣脫落也明顯的延遲,在轉反義leetr1基因番茄的果實成熟特性被明顯改變,表現在乙烯釋放高峰延遲,果實顏色出現變異,以及和成熟相關的酶活性的改變,然而,轉反義leetr2基因的果實的成熟特性與對照相比無明顯差別。Standard test method for acidity in vinyl acetate and acetaldehyde
乙酸基乙烯酯和乙醛酸度的標準試驗方法In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.
在苯或乙酸乙酯溶液中其衰減速度隨甲基丙烯酸甲脂濃度呈直線地增大。Modeling of polymerization of vinyl acetate
醋酸乙烯聚合反應過程數學模型的建立Acetyl triallyl citrate
乙酰檸檬酸三烯丙酯Allene is an isomer of methyl acetylene.
丙二烯是甲基乙炔的一種異構體。Test method for acid number of styrene - maleic anhydride resins
苯乙烯-馬來酐樹脂酸值的試驗方法Strongly acidic styrene type cation exchange resins
強酸性苯乙烯系陽離子交換樹脂Acidic resin - catalyzed synthesis of benzylidene acetone
酸性樹脂催化合成苯丁烯酮的研究Methods for determination of acrolein in flue gas
煙道氣體中丙烯醛含量的測定方法Stationary source emission. determination of acrolein. gas chromatography
固定污染源排氣中丙烯醛的測定.氣相色譜法Study on the acrolein hydration catalyzed by strong acidic ion - exchange resin
強酸性陽離子樹脂催化丙烯醛水合反應的研究Acrylonitrile for industrial use - determination of content of acetonitrile acetone and acrolein - gas chromatographic method
工業用丙烯腈中乙腈丙酮和烯醛含量的測定氣相色譜法Abstract : the reaction conditions, catalysts of selective oxidation of propane to acrolein and the mechanism of acrolein formation were reviewed
文摘:論述了丙烷選擇氧化制丙烯醛催化反應的反應條件、催化劑和丙烯醛生成機理等方面的研究進展。The technical character of two kinds of chemical synthesis process from ethylene oxide and acrolein as raw material to produce 1, 3 - propanedi - ol as well as compared with the production process which using glycerol and glucose biological produce 1, 3 - propane - diol is analyzed
重點分析了以丙烯醛和環氧乙烷為主要原料的兩種化學合成工藝的技術特徵,並與以葡萄糖甘油為原料、生物法和一1 , 3 -丙二醇的生產工藝進行了對比。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。Other non - peroxidated aldehydes, such as formaldehyde, acetaldehyde, glyoxal, acrolein, pyruvaldehyde, salicylaldehyde, all did not change rheological property of these biological materials. the effects of mda on rheological parameters, crosslinking reaction and their relation with age pigment - like fluorescence were studied
戊二醛作為一種蛋白固定劑能特異地改變流體特性,而其它非脂質過氧化醛類,如甲醛、乙醛、乙二醛、丙烯醛、丙酮醛、水楊醛等並沒有明顯改變上述溶液的流變性。分享友人