meoh
- 网络甲醇;粉末
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Study on energy saving technologies for MeOH sewage treatment plant in gas field
气田甲醇污水处理装置节能技术研究
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The MeOH extract was also found to posses maximum antibacterial activity .
甲醇提取物也具有最高的抗菌活性。
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Soluble water , easy soluble MeOH , difficult soluble acetone and dark-red power .
溶于水,易溶于甲醇,难溶于丙酮的黑红色粉末。
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The percentage recovery of MeOH is > 95 % .
甲醇的回收率达95%以上。
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Inhibitors basically existed in φ( MeOH ) 100 % eluates .
生长抑制物质主要存在于φ(MeOH)100%溶提物中。
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The results suggested that ODPN is the best one for analysing MeOH in edible wine through comparing three stationary phases .
通过3种固定液的比较,结果显示,ODPN能较好的分离食用酒中的MeOH。
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The study is about the method for determining MeOH in edible wine using ODPN as stationary phase through static-head-space-sampling technique .
选用ODPN作固定相,采用静态顶空取样技术对食用酒中MeOH进行测定。
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The pilot research is aimed at the separation of impurities such as MeOH , dimethoxymethane , HCl and water .
中试研究主要是针对甲醇、甲缩醛、氯化氢、水份等杂质的分离。
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Adipic acid being used as a modifier , the modified polyimide membrane for pervaporation separation of MeOH / MTBE system was prepared .
本文以己二酸对聚酰胺羧酸进行改性,制得改性聚酰亚胺膜,用于甲醇/甲基叔丁基醚的渗透汽化分离。
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Supercritical carbon dioxide extraction was performed in temperature of 120 ℃ and pressure of 34 MPa , using the modifier of DCM / MeOH .
本实验中超临界革取的流体是二氧化碳,改善剂是5%的二氯甲烷/甲醇,萃取温度为120℃、压力为34MPa。
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Two oxygenated fuels from coal , methanol ( MeOH ) and dimethyl ether ( DME ), can also be derived via indirect liquefaction .
煤间接液化也可合成煤基含氧燃料,即甲醇燃料和二甲醚燃料等。
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According to the recovery and purity of PE and PC , 50mg / ml phospholipid solution and 10 % MeOH as eluent was preferred .
以产品纯度和收率为依据,确定50mg/ml进样浓度、10%甲醇洗脱液为最佳条件。
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A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described .
阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。
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We have determined the content of bergenin in the rhizome and MeOH extractive of Rodgersia aesculifolia Batal by TLC-scanning method .
采用薄层扫描法测定了鬼灯檠根茎、醇提物中岩白菜素的含量。
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RESULTS The optimun composition of the mobile phase was : MeOH ACN H 2O TEA ( 16 ∶ 6 ∶ 78 ∶ 0.4 ), pH was 2.5 ( adjusted by phosphoric acid ) .
结果:最优流动相组成为甲醇乙腈水三乙胺(16∶6∶78∶0.4),用磷酸调节pH为2.5。
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And 6 are 2-D layered polymer with chair-like units and the cavities of the chair-like units of 2 are occupied by dimers of MeOH ;
2和6是含有椅式结构单元的二维层状多聚物,且在2的椅式结构单元的空腔中还存在以氢键方式相连的甲醇的二聚物。
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The principle of ion doping and valence compensation was adopted to develop a new catalyst Cu-Zn-Al-Zr which was derived from traditional Cu-Zn-Al catalyst by adding a small amount of ZrO_2 for MeOH synthesis under low pressure .
在Cu-Zn-Al甲醇合成催化剂中添加适量的氧化锆助剂,制得Cu-Zn-Al-Zr催化剂及表征其特性。
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The residue obtained was subjected to column chromatography on silica gel and eluted with MeOH / H2O gradient system ( 8:1 ) followed by recrystallization in absolute EtOH finally afforded a colorless needles .
硅胶柱色谱甲醇&水(8:1)梯度洗脱,无水乙醇重结晶;
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Five reaction processes which include synthesis of DPC combining with separation of DMC / MeOH , reaction in separated zone , continuous method , reactive rectification , and coupling method are reviewed in detail , and their flow sheets are also presented .
对碳酸二苯酯合成及碳酸二甲酯/苯酚分离法、分区反应法、连续法、反应精馏法和偶联法5种酯交换法合成碳酸二苯酯的反应工艺进行了详细讨论。
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The theoretical discovery of the role of DMF and MeOH in the hydrogen shift process suggests that a transition metal-catalyzed reaction involving a similar hydrogen shift step can be accelerated when solvent with the nature of Lewis base is used .
我们的理论计算表示具有路易斯碱性质的溶剂(如DMF和MeOH)在过渡金属催化反应中可以促进氢转移过程的进行。
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Reduction of 13-carbonyl group was studied . Finally reduction of 13-carbonyl group to 13 α - OH via 5-OH transannular delivery was achieved by NaBH_4 / MeOH / THF at 0 ℃ .
研究了多种还原13位羰基的方法,最终借助5位羟基的跨环传递效应以NaBH4/MeOH/THF将13位羰基还原为13α羟基。
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The results show that CA & CTA membranes and composite membranes are suitable for the separation of MTBE / MeOH , and the modified solution-diffusion model can successfully predict the performance of PV separation of MTBE / MeOH through CA membranes .
结果表明,CA和CTA膜以及几种复合膜适于分离MTBE/MeOH,修正的溶解-扩散模型可成功地估算MTBE/MeOH透过CA膜的渗透汽化分离性能。
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Compared with the surface acidic property of modified zeolite determined by NH_3-TPD and IR , the effect of effective pore size of zeolite on the selectivity of light olefins in MeOH conversion reaction is less than the effect of surface Bronsted acidic amount and acid strength of zeolite .
与用NH3-TPD及IR所测得的改性沸石表面酸性质相比,沸石的有效孔径的因素对甲醇转化反应中低碳烯烃选择性的影响小于沸石表面B酸量和酸强度的因素。
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The method of segment decompression distillation was applied to separate the product and excessive methanol ( MeOH ) and ethylene diamine ( EDA ) . Under the lower vacuum conditions ( 0.06MPa ), 98.1 % of the recovery for both MeOH and EDA was achieved .
应用分段减压蒸馏方法使产物与溶剂甲醇(MeOH)和过量试剂乙二胺(EDA)分离,在较低真空条件下(0.06MPa),MeOH和EDA的回收率高达98.1%。
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A series of sulfonated poly ( 2 , 6 - dimethyl-1 , 4-phenylene oxide ) ( S-PPO ) were prepared . The solution behavior of S-PPO with 20.9 mol % sulfonyl group and its salts in mixedTHF / MeOH was studied .
研究了磺化度为20.9mol%的磺化聚苯醚(S-PPO)的钠盐和锂盐在四氢呋喃/甲醇混合溶剂中的离聚体行为。