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纯产品
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  pure product
     the process of MNCB crystallization will be on condition that crystal particulate is added on right temperature ,and pure product will be obtained by two-stagecrystallization when the concentration of MNCB is higher than 90 percent.
     以间位硝基氯苯为主的结晶过程,结晶需要在合适的温度下加入晶核才能进行,且要想通过两级结晶得到纯产品,进料浓度需要高于90%才行。
短句来源
     The purity of DBC-chlorophosphonazo was checked by chromatography and a single blue band was obtained for the pure product.
     用层析法检验DBC-偶氮氯膦,纯产品只有一个单一的蓝色斑点。
短句来源
  “纯产品”译为未确定词的双语例句
     Ethanol was an appropriate solvent for recrystallization,with which the melting range of D,L-lactide was 125.8~127.4℃ and the total yield of purified lactide increased to 55.1% after three recrystallizations.
     乙醇是理想的重结晶溶剂,经三次重结晶,D,L-丙交酯熔程为125.8~127.4℃,纯产品产率提高到55.1%.
短句来源
     Purification of the product was carried out by Sephadex G-75 gel filtration column and the radiochemical purity is 95.4%.
     经Sephadex G-75柱凝胶过滤后得到纯产品,放化纯度为95.4%。
短句来源
     coli was purified to homogeneity in SDS-PA GE with a specific activity of 1.43×138 unit/mg by DEAE-Sepharose chromatography and Sephacryl S 200 gel filtration.
     利用DEAE-Sepharose阴离子交换层析及Sephacryl S-200凝胶过滤对上述重组人TNF-α进行纯化,获得电泳纯产品,比活性为1.48×10~6U/mg。
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     yields from 80-85% were obtained.
     曾将此产品分馏,得80-85%之纯产品.
短句来源
     Two of them,CuZnSODⅠand CuZnSODⅢwere obtained when further purified to a PAGE purity by G-75gel chromatography.
     进一步通过G_75凝胶层析对3种同工酶分离纯化得到2种电泳纯产品CuZnSODⅠ和CuZnSODⅢ ;
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  相似匹配句对
     Products
     产品
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     Development of Overcoating of Pure Angora Rabbit Hair
     兔毛大衣呢产品的开发
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     Development of cashmere product series
     精纺羊绒系列产品的开发
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     PRODUCTS FIELD
     产品纵横
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     THE WHITE PHENOMENA
     白色
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  pure product
The pure product of H202 oxidizing OPD catalyzed by HRP was prepared with chemical method.
      
The pure product of H2O2 oxidizing OAP catalyzed by HRP was prepared with chemical method.
      
The PO produced through the chemo-enzymatic process is a racemic product, whereas the latter process (based on chloroperoxidase) produces an enantio-pure product.
      
With this method, we eventually obtained approx 11.7 mg of 95% pure product from 1000 g of infected silkworm pupae.
      
Finally, reverse-phase chromatography resulted in a pure product.
      
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  net product
As a result it can be concluded, that beech stems from diameter class 5 (MD 50-59 cm below bark (b.b.), following German round wood classification) led to a higher net product than stems from diameter class 6 (MD 60-69 cm b.b.).
      
Net product is currently derived by deducting from gross product the depreciation of man-made capital only.
      
Deducting depreciation of natural capital in a similar manner will give a figure for 'true' net product that provides a better indicator of that level of current income which is sustainable into the future.
      
As the NH3 seeding level increases, fuel-NO becomes the dominant mechanism and N2 shifts from being a net reactant to being a net product.
      
At 1420 ppm NH3 seeding, the amine chemistry has reversed the net flow of nitrogen atoms out of molecular nitrogen, which is now a net product.
      
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Pure benzoic acid, methyl benzoate, and ethyl benzoate were hydrogenated to the corresponding cyclohexane carboxylic acid and its corresponding derivatives with quantitative conversion based on the amount of hydrogen absorbed. Some of the batches were fractionately distilled; yields from 80-85% were obtained.Different catalysts, such as platinum-black, colloidal platinum, platinum oxide, palladium-black, Raney nickel etc., were used for the hydrogenation of the benzoic acid, methyl benzoate,and ethyl benzoate....

Pure benzoic acid, methyl benzoate, and ethyl benzoate were hydrogenated to the corresponding cyclohexane carboxylic acid and its corresponding derivatives with quantitative conversion based on the amount of hydrogen absorbed. Some of the batches were fractionately distilled; yields from 80-85% were obtained.Different catalysts, such as platinum-black, colloidal platinum, platinum oxide, palladium-black, Raney nickel etc., were used for the hydrogenation of the benzoic acid, methyl benzoate,and ethyl benzoate. It was found that only in the case with the platinum oxide from the J. Bishop & Co. as a catalyst the theoretical amount of hydrogen was absorbed.The ratio of solvent to reactant to be hydrogenated was critical. Only when a suitable amount of solvent was used, could the theoretical amount of hydrogen be absorbed. The solvent effect for ethyl benzoate in ethanol was more important than for methyl benzoate in methanol.The amount of catalyst used for the hydrogenation of methyl benzoate and ethyl benzoate did not affect the yields, but affected the speed of hydrogenation.

纯苯甲酸、苯甲酸甲酯及苯甲酸乙酯,氢化后生成相应的环己甲酸及其衍生物;若根据所吸收之氢量计算,可得理论值.曾将此产品分馏,得80-85%之纯产品. 用不同的催化剂如铂黑、膠状铂、氧化铂、钯黑、Raney镍等,氢化苯甲酸、苯甲酸甲酯及苯甲酸乙酯,结果只有J.Bishop&Co.出产的氧化铂能使上列诸化合物吸收理论值的氢. 氢化苯甲酸甲酯和乙酯时,被氢化物与溶剂之比率很重要的.如加入合适之溶剂量,可得氢化理论值.乙醇溶剂量对氢化苯甲酸乙酯之影响比甲醇对氢化苯甲酸甲酯为大. 氢化苯甲酸甲酯和乙酯时,应用催化剂量多少,似对产量无影响,惟对氢化作用速度有关系.

The tetranucleoside triphosphate UpCpCpA has been synthesized by either the combined use of chemical and enzymic methods or chemical method alone. A schematic diagram is presented in Figure 1.

用化学合成或化学与酶促合成相结合的方法均能制备得到UpCpCpA(图1)。化学合成包括“2+2”和“1+3”两条路线。参考Mackey和Gilham方法,在PNPase催化下,引物UpCpC与2’(3’)-O-甲氧乙基ADP反应进行单一加成可产生30%的UpCpCpA。为了获得纯的产品,采用了二次柱层析法(图2)。文中讨论了PNPase连接的转核苷酸作用问题。

The tetranucleoside triphosphate UpCpCpA has been synthesized by either the combined use of chemical and enzymic methods or chemical method alone. A schematic diagram is presented in Figure 1.The UpCpCpA is synthesized with PNPase which catalyzes the single addition of the 2'(3')-O-(α-methoxyethyl)-ADP to the primer UpCpC. The yield is 30%. The problems of the isolation of reaction produots and of the transnucleotidation are discussed.

用化学合成或化学与酶促合成相结合的方法均能制备得到UpCpCpA(图1)。化学合成包括“2+2”和“1+3”两条路线。参考Mackey和Gilham方法,在PNPase催化下,引物UpCpC与2′(3′)-O-甲氧乙基ADP反应进行单一加成可产生30%的UpCpCpA。为了获得纯的产品,采用了二次柱层析法(图2)。文中讨论了PNPase连接的转核苷酸作用问题。

 
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