烷氧 的英文怎麼說

中文拼音 [wányǎng]
烷氧 英文
alcoxyl
  • 烷 : 名詞[化學] （有機化合物的一類） alkane
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  1. Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.

    醛類和其他的羰基化合物，由於烷氧基離子的穩定性，最容易通過本質上是負離子的機理進行聚合。
  2. Direct alkoxylation of aromatic compounds is virtually unknown.

    事實上還不知道芳香族化合物的直接烷氧基化的方法。
  3. Bimetallic - oxo alkoxides catalyst

    氧橋雙金屬烷氧化物催化劑
  4. Development of catalysts for preparation of cyclohexanone by cyclohexane oxidation

    環己烷氧化制環己酮催化劑研究進展
  5. Talc, zinc stearate, phenyl trimethicone, iron oxide brown, ferric ammonium ferrocyanide, chrome oxide green, ultramarine blue, hydrated chrome oxide green

    滑石，硬脂酸鋅，苯基三甲基聚矽氧烷，氧化鐵棕，氧化鐵氨，氧化鉻綠，人工合成群青藍，水氧化鉻綠。
  6. R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.

    R」是取化基，如乙氧基、甲氧基及它們的環氧和烷氧同系物或鹵基。
  7. Both the r groups are alkoxy residues.

    兩個R基團都是烷氧基。
  8. 5, both melting point ( tm ) and isotropization temperature ( tj ) of all the three series compounds change regularly with the carbon numbers of the end alkoxy group increased. there is a gradual increase in smectic phase length and in the smectic - nemetic transition temperature. at the same time there is a gradual decrease in nemetic phase length

    五，三個類型化合物16ia至16id 、 16ila至16lid 、 17ia至17id 、 17ila至17lid 、 18ia至18id和18ila至18lid的熔點和液晶態的清亮點均化合物分子中末端烷氧基增大逐漸降低；近晶相的溫度范圍和近晶相一向列相轉變溫度逐漸增大，而向列相的溫度范圍遞減。
  9. Kzsm - 5 zeolite ; toluene ; methane ; oxidative methylation

    Kzsm - 5沸石甲苯甲烷氧化甲基化
  10. Analysis on jyc - 94 type oxygen - methane alarm circuit

    94型便攜式甲烷氧氣監測報警儀電路分析
  11. Through molecular design, a series of liquid crystalline copolyesters, which possibly possessed the auxetic behavior, were prepared by solution condensation reaction between 2, 5 - bis ( p - alkoxy benzoyloxy ) hydrobenzoquinone, 4, 4 ' - ( decanoxy ) dibenzoyl chloride and 4, 4 ' - dihydroxy - oc, co - diphenoxydecane

    經分子設計，通過2 ， 5 ?二（對烷氧基苯酰氧基）對苯二酚、 4 ， 4 』 ?二羥基? ， ?二苯氧基癸烷和4 ， 4 』 ? （癸二酰氧基）二苯甲酰氯之間的縮合反應合成了一系列具有負泊松比潛能的液晶共聚酯。
  12. Three kinds of microbe, i. e. methane - oxidizing bacteria, anaerobic cellulose - decomposing bacteria and sulfate - reducing bacteria, were selected for experimental study, so the disturbance of surface biochemical effect was effectively inhibited, thus causing the microbiological anomaly to be able to reflect objectively the deep - seated hydrocarbon micro - leakage, it is pointed out that the result of predicting subsurface hydrocarbon distribution by use of the microbiological anomalies is obvious

    選擇三種微生物指標：甲烷氧化菌、厭氧纖維素分解菌和硫酸鹽還原菌進行試驗研究，有效地抑制了地表生物化學作用的干擾，使微生物異常能夠較客觀反映地下深部油氣微滲漏情況，微生物異常預測地下油氣的分佈，效果顯著。
  13. R " is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo

    R 」是取化基，如乙氧基、甲氧基及它們的環氧和烷氧同系物或鹵基。
  14. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。
  15. Effect of environmental factors on methane - oxidizing activity in paddy soil

    水稻田土壤甲烷氧化活性及其環境影響因子的研究
  16. The related current research status is introduced and a preliminary conclusion was drawn on the mechanism of methane oxidation by methanotroph, its physiolony and distribution in ecosystems, as well as potential use of methanotroph in biodegradation of gas

    介紹了瓦斯微生物治理技術的國內外研究現狀、甲烷氧化菌氧化甲烷的機理和影響因素，以及甲烷氧化菌的生態分佈。
  17. The results showed that methane oxidation ability was different in various soil and possibly it was related to the basic properties of the soil. microorganisms were responsible to methane oxidation

    2 ）對設施蔬菜栽培土壤甲烷氧化的研究結果表明，不同土壤對甲烷的氧化能力各異，這可能與土壤的理化性質有關。
  18. Surface active agents - determination of the water number of alkoxylated products

    表面活性劑.烷氧基化產品的水數測定
  19. N sources ( including organic and inorganic n tested ) and c sources tested could restrain methane oxidation. cellulose inhibited methane oxidation most weakly while the high concentration of methanol and glucose did dramatically, but the proper concentration of methanol could stimulate soil methane oxidation sharply. in the middle process of methane oxidation, addition of glucose could restrain methane oxidation shortly but the inhibition could be relieved about 5 days later when supplied again with enough oxygen

    土壤微生物是甲烷氧化的主要生物類群，含水量對土壤甲烷氧化活性有明顯影響，過高或過低對甲烷氧化均具有抑制作用；氮源（包括有機和無機氮源）對甲烷氧化均有抑制作用；不同碳源對甲烷氧化的影響各異，纖維素對甲烷氧化抑制作用最小，而高濃度的甲醇、葡萄糖則對甲烷氧化具有強烈抑制作用；而適當濃度的甲醇可極大促進土壤對甲烷的氧化：在甲烷氧化過程中加入葡萄糖能迅速抑制甲烷氧化；在加入葡萄糖的同時保持瓶中充足的氧氣，則這種抑制作用可以在重新培養一定時間后得到解除。
  20. And they are different with the common liquid crystal compound in the molecular structure, property and application function. up to now, people have more interest on the them in the field of transferring signal and information at the molecular level. starting from the molecular design, three novel series of schiff base type liquid crystal crown ethers were synthesized

    從分子設計出發，設計併合成了三類新的席夫堿型液晶冠醚化合物，根據分子中冠醚環和木端烷氧基的不同和大小以及化合物的構型將其分為六個系列， 24個化合物。
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