環烷類 的英文怎麼說

中文拼音 [huánwánlèi]
環烷類 英文
cycloalkane
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 烷 : 名詞[化學] （有機化合物的一類） alkane
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  1. Dithiocyanomethane is an efficient, broad - spectrum germicide and algaecide, displaying strong exterminating effects against germs, fungus and algae existing in circulating water. it maintains long - term effects and is applicable to broad ph value and temperature ranges

    二硫氰基甲烷是一種高效廣譜的殺菌滅藻劑，對于循環水中存在的主要細菌真菌和藻類都具有高效的殺滅效果，而且藥效維持時間長，適應的ph值和溫度范圍較寬。
  2. Application of topological index of cyclo propyl paraffin in the chromatography analysis

    拓撲指數法研究環丙烷類的色譜保留指數
  3. Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions

    長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。
  4. Standard test method for paraffin, naphthene, and aromatic hydrocarbon type analysis in petroleum distillates through 200 c by multi - dimensional gas chromatography

    用多維氣相色譜法分析通過200時石油餾份中石蠟環烷和芳烴類型的標準試驗方法
  5. New type of liquid crystals such as laterally fluorinated naphthalene indane, axially fluorinated cyclohexane and liquid crystal containing highly fluorinated substituent, which with high negative dielectric anisotropy low viscosity and high clearing point were emphasized

    重點介紹了近年來開發出的一些具有大的介電各向異性、低黏度、高清亮點的新型液晶，如側向氟取代萘環、茚環類，軸向氟代環己烷類，含多氟取代類液晶等。
  6. Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis

    單功能烷化劑n -甲基- n -硝基- n -亞硝基胍（ mnng ）是一種在環境中廣泛存在的化學誘變劑和致癌劑，它能和dna及蛋白質等生物大分子形成加合物（ adduct ） ，其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤，這種損傷與腫瘤尤其是胃癌的發生密切相關。
  7. By using sterically hindered, electron - rich alkylphosphines and n - heterocyclic carbenes ( nhc ), this process has encompassed a broad range of substrates including ketones, aldehydes, esters, amides, malonates, nitrocompounds, nitriles and sulfones

    隨著大位阻、富電子烷基膦和氮雜環卡賓（ nhc ）為配體的催化體系的出現，該類反應的底物已從酮擴展到醛、酯、酰胺以及含酸性氫的化合物如丙二酸酯、硝基化合物、腈、碸等。
  8. The results of archaeal diversity analysis showed that most of the members belonged to crenarchaeota, and included many unidentified archaea species. abundant bacteria related to the metabolism of sulfur and methane were found in sediment collected from " warm pool " area, which indicated that the metabolism of sulfur and methane played an important role in the substance and energy conversion of this area

    在「暖池」區沉積物中發現了豐富的與硫及甲烷代謝相關的細菌，對這些細菌的種類組成及其在各層次沉積物中的分佈、數量進行了分析，發現該海區沉積物中存在一條完整的硫和甲烷代謝循環途徑，它們的代謝在物質能量代謝中占據重要的地位。
  9. But the previous research works mainly focused on the screening of environment persistent pollutants, such as organochlorine insecticides and alkylphenol, to our knowledge, no report on the residual toxicity and environmental estrogens effects has been existed in the literature yet

    但目前為止，主要集中於環境中持久性有機污染物如有機氯農藥和烷基酚類化合物的篩選上，而我國是農業大國，大量地使用了有機磷農藥，其殘留毒性及環境雌激素效應的研究還尚未見報道。
  10. It has not only the characteristic of petrochemical plastics but also has the biodegradability, biocompability and degradable product without toxin. these biologic polymers are new kinds of environment - friendly material that provide a new way to resolve white pollution and can be used as scaffold material in medical tissue engineering

    多聚羥基烷酸是一類由生物合成的結構簡單的高分子聚合物，它不僅具有石化塑料的特性，而且具有生物可降解性、生物相容性、降解產物無毒性的特性，是一種環境友好型的生物材料。
  11. Correspondingly, xrd patterns revealed that carbon shells became graphitic somehow. the effects of organic solvents and catalysts / catalysts precursors on the structure and morphology of products were also investigated in this study. cyclohexane, instead of benzene, was proven to be a suitable solvent, as it would not pyrolyze in the reaction system

    對金屬催化劑（或前體）以及有機溶劑與產物形貌關系的研究結果表明，苯作溶劑在反應條件下易裂解並形成積炭，從而阻礙了多孔碳產物的繼續生成，而選用環己烷可以避免類似的裂解反應。
  12. The neutral bio - oi1 can be separated into three fractions : the fraction washed down by cyclohexane ( c1 ) mainly contains aromatics with up to four rings ; the fraction washed down by benzene ( c2 ) mainly contains alkyl - substituted aromatic hydrocarbons and polyphenols ; and the fraction washed down by methanol ( c3 ) mainly contains ester polar components

    中性油層析分離為3個餾分：環己烷洗脫餾分（ c1 ）主要為四環以下純縮合化合物；苯洗脫餾分（ c2 ）主要由單環烷基芳烴和多酚組成；甲醇洗脫餾分（ c3 ）主要是酯類極性化合物。
  13. The analysis of the organic contaminants before and after cleaning up by gc / ms indicated that ranges from the highest removal rate to the lowest one were benzene, pahs, ester, aldehyde, ketone and alkane in proper order

    活性炭床進出水的色質聯機分析結果表明，苯系物的去除率最高，依次為稠環芳烴類、酯、醛、酮類，烷烴類。
  14. 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。
  15. The diazirines are interesting, highly strained ring systems.

    偶氮雜環丙烷是一類重要的、環內張力頗大的化合物。
  16. Abstract : a series of techniques producing lube base oil developed by ripp, including the technique for production of naphthenic lube oil, high viscosity base oil from sour crude and the api group base oil with viscosity index more than 120 from hydrocracking tail oil, were introduced

    文摘:介紹了石油化工科學研究院開發的一系列潤滑油基礎油生產技術，主要有環烷基潤滑油生產的工藝技術，含硫原油生產高粘度指數基礎油的技術以及加氫裂化尾油制取粘度指數大於120的類基礎油技術。
  17. Dithiocyanomethane is an efficient, broad - spectrum germicide and algaecidedisplaying strong exterminating effects against germs, fungus and algae existing in circulating water. can increase oil production by reducing oil layer contamination, preventing clay form expanding, and disinfecting

    二硫氰基甲烷是一種高效廣譜的殺菌滅藻劑，對于循環水中存在的主要細菌真菌和藻類都具有高效的殺滅效果
  18. Syntheses of fifteen 1, 3 - oxathiolane likes flavoring compounds

    氧硫雜環戊烷類香料化合物的合成
  19. The main chemicals used for disinfection purposes are halogenated compounds containing chlorine or iodine, alkalis such as sodium hydroxide or ammonium, phenols such as chlorhexidine acetate, aldehydes, such as the glutaraldehydes, ampholytes ( which may behave either as acids or as bases ), surfactants, and gases such as ethylene oxide

    在消毒中使用的主要化合物是含有氯或碘的鹵代化合物、氫氧化鈉或銨之類的堿洗滌劑、氯己啶之類的酚類、戊二醛之類的醛、兩性電解質（可作為酸類或基底使用） 、表面活化劑及環氧乙烷之類的氣體。
  20. P / a, fl / py ratios and ring numbers of pahs were used to assess the origins of the pollutants, suggesting possible sources such as combustion of coal, wood and petroleum pyrolysis

    P / a 、 fl / py比值、 pahs環數以及烷基化pahs表明膠州灣表層沉積物中pahs幾乎全部由人類活動產生，來源為煤炭燃燒、木材燃燒、石油類高溫裂解及油類污染。
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