醇堿液 的英文怎麼說

中文拼音 [chúnjiǎn]
醇堿液 英文
alcoholic lye
  • : Ⅰ名詞1 [書面語] (含酒精多的酒) mellow wine; good wine2 [化學] (有機化合物的一大類 含羥基的烴化...
  • : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
  • : 名詞(液體) liquid; fluid; juice
  1. It is white crystal powder, odorless and slightly bitter ; hardly soluble in ethanol, chloroform, aether and benzene and soluble in solutions whose ph value is less or more than 7

    本品在水中易溶,在乙、丙酮、氯仿或乙醚中幾乎不溶。本品為兩性化合物,能溶於酸性溶性溶
  2. Light yellow paste or powder, soluble in ethanol and ethyl ether, insoluble in water, very soluble in alkaline solution

    1 )淺黃色膏狀物或粉末,溶於乙和乙醚,不溶於水,易溶於
  3. And hot is sensitive to the light, the saponifiable hydrolisis becomes emerald in the thin lye the chlorophyllin, the phytol and the methyl alcohol, may assume darkly in the acid solution green to green brown escapes the magnesium chlorophyll

    對光和熱敏感,在稀中可皂化水解成鮮綠色的葉綠酸、葉綠及甲,在酸溶中可呈暗綠至綠褐色脫鎂葉綠素
  4. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究:無氮培養條件下,測定溫度、碳源、酸度、滲透壓對w12生長及固氮能力的影響,結果表明,在15 - 40下均能生長並表達固氮酶活性,其最適生長及固氮的溫度為25 - 35 ;能利用葡萄糖、蔗糖、蘋果酸、甘露等多種碳源生長並固氮,當培養基中同時存在蔗糖和蘋果酸時,細菌生長和固氮活性最強;在偏酸和偏的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長勢和較高的固氮酶活性,並能通過調節自身代謝平衡並適應環境的酸、性變化,使培養趨于中性:能耐受較高的滲透壓,培養中卜、 5 naci濃度對其生長和固氮酶活性影響不大,當naci濃度升至2時,菌株的生長勢及固氮酶活性才有所下降:低濃度的鉸對其固氮酶活性影響不大,在0
  5. Basing on the practical experience and processing principle, the optimization of producing process, in which the butyl alcohol is abstracted from the water phase by the azeotropic distillation of the partly and mutually dissolved, is studied in this paper by utilizing the properties of the azeotropic distillation of the partly and mutually dissolved system of butyl alcohol and water, from the some questions such as rearranging of the equipments, dissolving with sodium hydroxide, treating of the wasted water, separating water and so on

    摘要結合實踐經驗和工藝原理,利用丁和水組成的部分互溶系統的共沸特性,對從青霉素類結晶母中提純丁的生產工藝進行了分析研究,從設備布局、洗、廢處理和分水滯后等方面進行了優化處理。
  6. At the same time an apparatus of zone melting is designed, the method of zone melting is used to purify the purified product of recrystalizing. after purification, the homogeneity and stability of the purified product of antioxidant d and bht are examined by high performance liquid chromatography ( hplc )

    實驗研究結果:防老劑d重結晶提純工藝為:每次取10g工業品防老劑d ,經過洗后,去離子水洗滌至中性,溶於100ml乙中,同時用粉狀活性炭( 1g次)脫色、過濾、母靜置2h后,再放入冰箱結晶2h 。
  7. Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine

    文摘:根據建立的相色譜普遍化速率模型,模擬了比渥數、數、傳質彼克列數、粒徑、進樣量和溶質分子直徑同多孔粒子孔徑比對紫杉色譜峰峰形和紫杉和三尖杉磷色譜分離度的影響,獲得了控制紫杉和三尖杉磷色譜過程的主要影響因素,從而為紫杉和三尖杉磷的色譜分離提供了更好的理論指導。
  8. To capsicum for raw materials dissolved in ethanol and used petroleum ether, ether from the organic solvent solution extraction and purification wealthy markets prospect of food additives and with extensive medical value of the material - pepper accuracy ; and further research in ethanol concentration, saponification time, temperature under different conditions, such as the purity level of capsaicin

    以辣椒精為原料溶於乙中,再利用石油醚、乙醚等有機溶劑從溶中提取和純化富有市場前境的食品添加劑和具有廣泛醫用價值的物質辣椒精;並進一步研究在乙濃度、皂化時間、溫度等不同條件下得到的辣椒純度高低。
  9. When using the method of periodically renewing electrolyte, the average current efficiency is 47. 3 % ( ii ) the solubility of k2feo4 in the solution of naoh is higher than that of the same concentration of koh solution and both of them become low with the growth of the alkaline concentration. the solubility of k2feo4 in the mixed solution of koh and naoh was influenced by both of common ions effect and salting - out effect and the influence of common ions effect is more heavy. the rate of methanol ' s reacting with k2feo4 is proportional to the content of water in the solid k2feo4. the stability of the potassium ferrate solution is far below the solid

    ( 2 ) k _ 2feo _ 4在naoh溶中的溶解度高於同濃度koh溶中的溶解度,且溶解度均隨著濃度的增大而降低; k _ 2feo _ 4在koh和naoh混合中的溶解度,受到同離子效應和鹽效應的共同影響,且同離子效應的影響更大;固態k _ 2feo _ 4被甲還原的速度與甲或固態k _ 2feo _ 4的含水量成正比; k _ 2feo _ 4溶的穩定性遠遠低於固態k _ 2feo _ 4 ,少量水的存在,可促使k _ 2feo _ 4按溶解?分解?再溶解?再分解的過程分解。
  10. Solid base technology and its application in the sweetening of lpg

    固體技術在化氣脫硫工藝中的應用
  11. In this paper, the technology conditions of recovering ethanol and diisopropylamine from pharmaceutical waste were studied using mineral acid, alkali neutralization and rectification

    摘要採用加入無機酸、中和以及精餾技術,考察了從制藥廢中分離乙和二異丙胺的工藝條件。
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