After the clean version with ethyl mixtrue: such as: aminomethylbenzoic (8: 2), ethhyl: aminomethylbenzoic: ketone (7: 2: 1) in respect of problem-solving abilities, but here's a question is: If you use ethhyl, aminomethylbenzoic can be solved, it is best not butanone, because ketone residues of odoural a stronger, it may be on the cards and membership cards the quality of the production.

把版洗骯臟后用混分溶劑：如乙酯：甲苯（8：2）、乙酯：甲苯：丁酮（7：2：1）不離靈驗不天處置題綱国产主播一区二区三区四区，但這里給奪綱的一個題綱是：如果用乙酯久久只精品99品免费久苍井空、甲苯能處置時日韩精品视频综合网在线观看，最壞務(wù)必丁酮，因為丁酮的殘留氣息較淡爽A一级资源免费日干，不定差制卡和會員卡制息品的質(zhì)度有感化国产午夜精品片一区二区三区。

Novel synthetic methods for alkyl methyl ketone, symmetric diketone , long-chain diketone and macrocyclic ketone were provided.

利用二苯并咪唑鹽與格利雅試劑的加成-水解反應(yīng)，提出了長鏈二酮的新合成方法。

The conventional process for the synthesis of rubber antioxidant 4020 from the 4-anino diphenylamine and methyl isobutyl ketone under high pressure can be replaced by a new three-step process using p -aminophenol, methyl-isobutyl ketone, formic acid and aniline as raw materials.

以橡膠防老劑4020合成新工藝小試條件為依據(jù)亚洲一码，完成了放大試驗過程的工藝研究久久久国产精免费视频，改變了傳統(tǒng)的在高壓下以較大分子為原料合成橡膠防老劑4020的工藝路線。

The method is realized by that polyether ether ketone is added into concentrated sulfuric acid to carry out sulfonation reaction, thereby obtaining sulfonated polyether ether ketone, then the sulfonated polyether ether ketone is dissolved in organic solvent, N, N (1)-Carbonyldiimidazole is added to stir for one to three hours, coupling agent is mixed for stirring the reaction for 1.5 to 4 hours, then inorganic crosslinking agent is mixed to react under the temperature of 50 to 80 DEG C. Proton conductors are mixed to continue getting the mixed solution of the sulfonated polyether ether ketone or the inorganic crosslinking agent or proton conductors under the temperature. Finally the proton exchange membrane for a direct methanol fuel cell is obtained by that the mixed solution of the sulfonated polyether ether ketone or the inorganic crosslinking agent or proton conductors is/are processed through membrane forming, drying and exuviation.

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MethodsSaccharide content was determined by anthracene ethyl ketone method;amino acid content was estimated by indene tri-ketone colorimetric method.

方法青蒿可溶性糖含量測定使用蒽酮醋酸乙酯法人人草公开操，青蒿游離氨基酸含量測定用茚三酮比色法先锋影音AV网站。

Use indene respectively solution of 3 ketone acetone, indene solution of 3 ketone Freon, indene solution of aether of 3 ketone oil, solution of alkyl of 3 ketone age makes indene the experiment is compared.

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Objective To explore the effect of high serum concentration of bile acids on energy metabolism of liver.Methods Bile acids were continously infused into the Wistar rats to simulate the serum concentration change of patients with obsturctive jaundice.Serum bile acids concentration,arterial blood ketone body ratio and energy charge of liver were determined.Results Aterial blood ketone body ratio and energy charge of liver decreased with the increase of serum bile acids concentration.Conclusion High serum concentration of bile acids plays an important role in hepatic fumction injury caused by biliary obstruction.

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A new viewpoint was proposed and a new rule was also proposed in determining whether crystallographic equivalence of ether and ketone linkage was tenable after taking account into the variety of aryl ring, the ratio of ketone to ether group, and the fashion of the ether and ketone linked by the aryl ring.

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Bandicoot of SD of methodological general male 60, white group of random cent voidance, model group, Baoliezhi is treated contrast peaceful grain of group, front row is low, medium, tall dosage group, use ketone of third acerbity spermary hypodermic causes model of bandicoot prostate hyperplasia, after successive 30d giving drug, observe index of weight in wet base of weight of 6 groups of animals, prostate, prostate, prostate organizes ketone of Gao of configuration, serum , female 2 alcohol (the change of E2) level.

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Results The mixing, loading and storing processes of the construction, might generate lots of occupational hazards, including toluene, dimethylbenzene, trimethylbenzene, isopropanol, butyl alcohol, propanol, methyl methacrylate, butyl acetate, methyl isobutyl ketone, methyl ethyl ketone, acetic ether, nitro-cotton, n-hexane, n-heptane, carbinol, ethanol, ethyl propionate, diisobutyl ketone, glycol ether, isoamyl acetate, 2,4-toluene diisocyanate, isophorone, noise, power frequency electric fields.

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