采用过氧化氢二次氧化法精制肝素钠。
The purification procedures of heparin by double oxidation process with H_2O_2 were investigated.
第二个氧化峰是硫酸铋膜底层铋的二次氧化,其产物为非晶态的铋的氧化物或水合物。
The second oxidation peak is the second oxidation of bismuth under the bismuth sulphate film. The oxidation product is non-crystalline.
试验结果表明采用钢包注流保护浇注技术可降低二次氧化,提高铸坯内在和表面的质量。
The experiment shows that adopting protective casting technology can reduce reoxidation and improve the internal and surface quality of block.
本发明能够减少钢水在浇注过程中的二次氧化,降低钢水内生夹杂物,提高钢水纯净度。
The argon protective device can reduce secondary oxidization in the casting process of molten steel, reduce the mixed sundries in the molten steel and improve the molten steel purity degree.
介绍了夹杂物的来源,包括内生夹杂和外来夹杂,着重于二次氧化产物、卷渣、内衬侵蚀。
The paper introduce the impurities origination including internal and external impurities, and pays more attention to re-oxide, rolling slag and inner-lining erosion.
工业试验结果表明,在连铸生产过程中,开浇阶段钢水的二次氧化是钢中氧含量增加的主要原因。
The results of industrial tests show that secondary oxidation of liquid steel at the initial stage of casting process is a major factor for the increasing oxygen content of steel.
对铝及铝合金在磺基水杨酸槽液中及另一有机酸槽中进行二次氧化,获得了装饰效果良好的瓷质氧化膜。
Aluminum and its alloy with decorate ceramic oxide coating were developed by secondary oxidation process in sulfa-salicylic acid bath and an organic acid bath.
结果表明,湍流控制器可起到减小钢水喷溅、防止二次氧化和改善流体运动路线的作用,并减少短路流的发生。
The results show that turbulence inhibitor has the functions of preventing sputter of liquid steel during casting, avoiding the reoxidation of steel, and decreasing the ratio of short circuit.
超过一半的美国煤炭发电机缺乏二次燃烧氮氧化物污染控制。
More than half of U.S. coal generators lack postcombustion NOx pollution controls.
“基因包”里包含有经修饰过的基因,并且能够让生物体重复利用氧化荧光素,这种次级代谢产物还可以用于二次发光。
The package includes genetic modifications to enable organisms to recycle oxyluciferin, the by-product of the reaction that produces light.
通常二次处理是利用生物法的生化氧化过程来去处有机物。
Secondary treatment generally involves a biological process to remove organic matter through biochemical oxidation.
UV/H2O2技术具有工艺流程简单、氧化效率高、H2O2利用率高以及无二次污染等优势,显示出良好的发展潜力和应用前景。
UV/H2O2 technology displays a big potential because of its advantages such as simple process, efficient oxidation, high utilization of H2O2 and no secondary pollution.
综述了最近几年对于锂离子二次电池正极材料氧化锰锂的研究。
In this paper, the latest progress on lithium manganese oxide as cathode materials of lithium ion secondary battery was reviewed.
催化氧化技术处理染料废水是一个具有价值的课题,该方法具有高效、节能、无二次污染等优点,引起了广大学者的关注。
Catalytic oxidation technology in the treatment of dye effluent is an extremely valuable subject, which is of high efficiency, energy saving and non-second contamination.
古氧化绿色砂岩主要由与油-气二次还原作用有关的绿泥石化和绿帘石化造成。
The greenish color of the palaeo-oxidized sandstones mainly results from chloritization and epidotization related to oil and gas secondary reduction processes.
再通过正交实验和二次回归正交实验确定了大蒜油、脂溶性茶多酚等作为抗氧化剂在调和油中的最佳添加量。
The optimum dosage of antioxidant such as garlic oil and liposoluble tea polyphenols(LTP) in blend oil is ascertained by orthogonal test and quadratic orthogonal test.
此外,两种不同表面状态下的化学成分以及氧化层都通过二次离子质谱测定法进行了分析。
Additionally, chemical composition and thickness of oxide layers, occurring in both studied cases, were analyzed by secondary ion mass spectrometry.
本发明脱酚方法简单,萃取效率高,占地面积小,成本低,且可提高油品的抗氧化性能,不造成二次污染。
The process is simple, high in extracting efficiency, small in covered area, and low in cost, and can raise the antioxidant performance of oil product without producing secondary pollution.
尖晶石锂锰氧化物具有资源丰富、成本低、无污染等突出优点,被公认为是一种最有前途的锂离子二次电池正极材料。
Lithium manganese oxide spinel is considered as a most promising positive material for lithium-ion secondary batteries because of its low cost and environmental harmlessness.
在通过强化隐性生长实现污泥减量的各种污泥破解技术中,臭氧氧化技术具有破解效率高、能耗低、不易造成二次污染等特点。
In sludge disintegration technologies related to enhanced cryptic growth, ozonation has high disintegration efficiency with low energy consumption and no secondary pollution.
结果表明,胶料需采用过氧化物硫化体系和助交联剂,用高温硫化和二次硫化工艺。
The results showed that the compound needed to use peroxide vulcanization system and aid cross-linker with high temperature cure and secondary cure process.
在硫酸盐还原作用下已经固定在污泥中的重金属,可能会由于污泥的氧化而二次释放。
Heavy metals originally immobilized by sulfate reduction in sludge barrier may be released out secondarily because of the oxidation of sludge.
提取泡沫或罐式香槟法是在高压炉里的第二次发酵,能够使酒起泡沫,因为酵母产生了二氧化碳。
The taking of foam or Charmat Method is the second fermentation in autoclave that makes the wine sparkling, because of the carbon dioxide generated by the yeasts.
在酸性电解液中,用二次阳极氧化法制备得到了高度有序的多孔阳极氧化铝模板。
Highly ordered porous anodic alumina template was prepared by twice anodic oxidation in acidulous electrolyte, and its morphology was observed by metallographic microscopy.
锂二次电池;正极材料;钒氧化物;金属掺杂;纳米材料;电化学。
Rechargeable lithium battery; Cathode material; Vanadium oxide; Metal doping; Nanostuctural material; Electrochemistry.
结果表明,用二次阳极氧化法制备的氧化铝模板均匀有序性较好,可作为下一步制作量子点、量子线的模板。
The results show that AAO templates prepared by the method are uniform and ordering, and can be used as the template for preparation of quantum wires and quantum dots.
采用二次铝阳极氧化技术,制备高度有序的铝阳极氧化膜(AAO模板)。
The highly ordered anodic aluminum oxide (AAO) film, was prepared with electrochemical anodization method.
采用二次铝阳极氧化技术,制备高度有序的铝阳极氧化膜(AAO模板)。
The highly ordered anodic aluminum oxide (AAO) film, was prepared with electrochemical anodization method.
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