The other for: safrole, sassafras oil, safrole different 82 yuan / kg; 1 - phenyl -2 - propanone 2,500 yuan / kg; 3.4 dioxane methylene diphenyl -2 - propanone 7200 yuan / ton; Piperonal 1,000 yuan / kg; N-acetyl-o-amino benzoic acid 11500 yuan / ton; anthranilic acid 15,500 yuan / ton; Phenylacetate 15,000 yuan / ton; acetic anhydride 9900 yuan / ton; trichloromethane 4100 yuan / ton ; anhydrous ether 8500 yuan / ton; piperidine 58000 yuan / ton; toluene 5200 yuan / ton; methyl ethyl ketone 10,000 won / ton; sulfate 1,200 yuan / ton; hydrochloride 400 yuan / ton; anhydrous Ethanol 4200 yuan / ton.

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Amino to acetyl phenol, in have technology of two kinds of production domestic and internationally, acetic anhydride craft of the United States, acyl changes temperature to have 75 ℃ only, acyl changes mother liquor not apply mechanically, deputy reaction is little, of production thick tasting is kind of white almost, purificatory craft is very simple, activated carbon dosage only 2~3%, the Kun that its product does not have glow material almost in different third alcohol inferior the sealed impurity of amine impurity and minim, settleclear lightness it may not be a bad idea, the product quality that acetic anhydride craft produces is good, but close rate low, cost is high.

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In the experiment,glass chest was used to simulate indoor roomage environment.The formaldehyde concentration in the simulative room was measured by the method of acetyl acetone with spectrophotometer.

實驗以玻璃箱模擬室內(nèi)空間環(huán)境国产老熟女视频一区二区，應(yīng)用乙酰丙酮分光光度法和鄰苯三酚自氧化法測定在不同甲醛含量下蘆薈對甲醛的吸收及其體內(nèi)過氧化物酶活性的變化情況。

It is inferred that N-Acetyl-DL-Methionine is stable under the condition of in vitro simulating rumen fermentation system.

以上結(jié)果顯示久久久久久精品免费免费xav，N-乙酰-DL-蛋氨酸在體外模擬瘤胃發(fā)酵的條件下可以穩(wěn)定存在日韩精品成人网页视频。

It's soil, however, after its problems, the crop was phytotoxicity very concern, according to chlorine sulfonylurea herbicide easily after long after stubbly maize produced in the problem, residual phytotoxicity chose herbicides security agents Ⅰ compounds, N - methylene chloride acetyl groups - 5-2 - diethyl - propyl arene pbo.

它的土壤殘留問題及其對后茬作物的藥害影響，一直是人們極為關(guān)注的問題黄色网站淫乱片，故本文針對除草劑氯磺隆使用后易對后茬玉米產(chǎn)生殘留藥害的問題抽a插%网站，選擇了除草劑安全劑化合物Ⅰ：N-二氯乙酰基-5-乙基-2-丙基-1最新国产在线视频，3-惡唑烷131MM视频。

In the study, N4 -acetyl-sulfamethazine(N4 -ACE-SM2) was synthesized, the determination method of sulfamethazine(SM2) and N4-ACE-SM2 in sturgeon muscle and water were developed, bioconcentration and depuration of SM2 in the sturgeon were completed at last.

本研究合成了磺胺二甲嘧啶(SM_2)的主要代謝產(chǎn)物N~4-乙酰化磺胺二甲嘧啶(N~4-ACE-SM_2)jiuse200，并建立了SM_2和N~4-ACE-SM_2在鱘魚肌肉和水中的檢測方法毛片免费看无码喷水高潮A，進一步利用流水式魚類試驗，對SM_2在鱘魚體內(nèi)的生物富集和生物清除進行了研究激情。com。

Project Background and Conditions: The company started research new chemical products in 1998. After two years of efforts, a series of pharmaceutical intermediate sulfathiazole leave instructions, including : 3- methyl sulfathiazole leave instructions, 2- sulfathiazole leave instructions ethanoic acid, 2- acetyl sulfathiazole leave instructions, 2-thiofuran amino ethane ,2-thiofuran acetic, 3,4,5- tighter nitrobenzene have been successfully developed. 2-thiofuran amino ethane are the precursors raw materials of series antibiotic analgesic.

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The model system confirmed the presence of 2-acetyl thiazole and 5, 6-perhydro-2, 4, 6-trimethyl-1, 3, 5-dithiazine in the odor of prawn as there were a large amount of acetaldehyde and H〓S present.

本文以模擬體系證明兩類對蝦揮發(fā)性組分中的2-乙蹙镁镁镁镁镁镁镁镁镁镁茫基噻唑和5.6-二氫2.4.6-三甲基欧美一级免费看黄片视频，1.3.5-二噻嗪的存在，對于該化合物產(chǎn)生的途徑以及其質(zhì)譜裂解規(guī)律進行了探討911精品视频天天看。

Methods: THP-1 cells were induced by oxLDL in vitro. The CD11b, CD54 expressions and adhesion to human umbilic al vein endothelial cells were measured after treatment with probucol at different concentrations by flow cytometry and β-nitrophenyl N-acetyl-β-D -glucosminide test.

分別應(yīng)用流式細胞儀和β-N-乙酰氨基己糖苷酶比色法av在线www,，觀察不同濃度普羅布考對oxLDL誘導(dǎo)的THP-1對人臍靜脈內(nèi)皮細胞的粘附及粘附分子CD 11b和CD54表達水平的影響一a级视频。

Objective: Investigating the clinical significance of early diagnosis of urate damage to the kidney of enzyme N-acetyl-beta-D-glucosaminidase determination in Patients with hyperuricosuria.

目的：探討尿NAG活性測定對高尿酸血癥患者尿酸鹽晶體對腎損害的早期診斷。