ether 中文意思是什麼

音標 ['i:θə]
ether 解釋
n. 名詞 1. 【物理學】以太，能媒。
2. 【化學】醚；乙醚。
3. 〈詩〉上空，蒼天。
4. 【哲學】靈氣；氣氛。

  1. The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced, and the preparations of acetamide, ethyl acetate, acetamidine hydrochloride, triethyl orthoacetate, n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized

    摘要介紹了亞氨基乙醚鹽酸鹽的合成工藝，總結了亞氨基乙醚鹽酸鹽制備乙酰胺、乙酸乙酯、鹽酸乙脒、原乙酸三乙酯、 n -氰基乙亞氨酸乙酯以及腙類化合物的合成方法。
  2. The contents of three valepotriates in v. officinalis also varied significantly different areas, samples from nanchuan of chongqing showing the highest. it is also showed that the contents of three valepotriates in underground part of valerians plants are higher than that in aerial part and the contents of three valepotriates in valeriana jatamansi herb and v. officinal is herb collected in september is highest. valepotriates of valeriana jatamansi were obtained using petroleum ether, with content of valtrate, didrovaltrate and acetovaltrate between 70 % and 80 %

    我們以採用rp - hplc法測定不同產地、部位和採收期的纈草屬植物中纈草素、二氫纈草素和乙酰纈草素的含量，結果發現纈草類生藥蜘蛛香、纈草、寬葉纈草和黑水纈草之間纈草素類成分含量差異顯著，其中以蜘蛛香含量最高，纈草次之，寬葉纈草再次，黑水纈草含量最低。
  3. The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion

    本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。
  4. Dissolved in most organic solvent, such as aether, benzene, petroleum ether, and so on

    可溶解在絕大多數有機溶劑中，如正庚烷苯石油醚等。
  5. 4. aliphatic alcohol polyoxyethylene ether ammonium sulfate aesa70

    4脂肪醇聚氧乙烯醚硫酸銨aesa70
  6. It was proposed that the catalytic amination of metyl t - butyl ether by solid acid was a promising " green " process

    指出固體酸催化甲基叔丁基醚的氨化是值得開發的綠色化工技術。
  7. Study on synthesis of tert - amyl methyl ether in tubular reactor

    管式反應器中合成甲基叔戊基醚動力學研究
  8. Thermodynamic analysis of synthesis reaction of tert - amyl methyl ether

    甲基叔戊基醚合成反應的熱力學分析
  9. Sd rats were housed in different regimes for at lest three weeks before experiment. animals of 3 weeks anaesthetized by ether in set conditions, were sampled from the scn and blood every four hours in a circadian day

    不同光制飼養三周以上的sd大鼠，在一個晝夜時間內每隔四小時采樣一次，每個時點三隻大鼠。
  10. Test method for extractable matter by ether from angora rabbit hair

    兔毛乙醚萃取物試驗方法
  11. Screening target ' gene of artemisinin antimalarials using drug - western from cdna expressing library : 12 b - deoxoartemisinyl - ( 4 ' - oxyacetic acid ) phenyl ether was linked to bsa by using of edc cross ! inker and the product acted as drug - probe

    對重組pmd一18一t克隆載體及pqe一30表達載體雙酶切，提取tctp基因和pqe一30空載體並使二者重組，然後轉化m15 ，挑取陽
  12. Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links

    古細菌的細胞壁缺乏細菌細胞壁組成的普遍物質-胞壁質，其連接是醚連接而不是酯連接。
  13. Synthesis and characterization of poly aryl ether ether ketone ketone

    聚芳醚醚酮酮的合成與表徵
  14. Preparation of the salt forms of sulfonated poly aryl ether ketone ketone

    聚醚酮酮磺酸鹽的制備
  15. 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。
  16. Diethyl ether for pesticide residue and polychlorinated biphenyl analysis

    殺蟲劑殘留物和多氯化聯苯分析用二乙醚
  17. Workplace air. determination of biphenyl - phenyl ether. solvent desorption gas chromatographic method

    作業場所空氣中聯苯-苯醚的溶劑解吸氣相色譜測定方法
  18. Study on the synthesis and bactericidal activities of new brominated hydroxy diphenyl ether

    溴代羥基二苯醚的合成及抑菌活性研究
  19. 1 - butene for industrial use - determination of trace methanol and methyl tert - butyl ether - gas chromatographic method

    工業用1 -丁烯中微量甲醇和甲基叔丁基醚的測定氣相色譜法
  20. Biodegradation characteristics of methyl tert - butyl ether

    1的分離鑒定及其降解特性研究
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