• 这些牙膏或牙粉含有槽的磨牙,使用线上牙齿磨损增加

    Sometimes they contain rough abrasives that cause increased abrasion of the teeth at the gum line.

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  • 硫酸催化作用废料由聚多元醇和甘油组成混合液化液化成多羟基化合物。

    The bamboo residues could be liquefied to be biopolyol in the mixed solvent of polyether alcohol and crude glycerol under the catalysis of concentrated sulfuric acid.

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  • 讨论淀粉玉米粉可以被淀粉所依附纤维素框架化学结构性质它们可能成为一系列用途广泛干燥

    The starch, corn grits, and cellulose frame adhered with starch may be a series of desiccants with broad uses, and their chemical structures and properties are reviewed.

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  • 生物质气化燃气流态化重整避免燃气中颗粒物重整器堵塞,促进了催化还原,抑制了催化表面积碳。

    The fluidization of catalyst in the reformer had a role of avoiding the blockage of reformer, promoting the catalyst reduction and suppressing the carbon deposition on the surface of catalyst.

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  • 卵磷脂一种天然表面活性许多方面重要应用价值本文详细介绍了大豆卵磷脂的提、提纯测定改性方面研究成果。

    Lecithin is a natural surfactant. It has important application value aspects. In this paper, the purification, determination and modification of soybean lecithin in research are discussed in detail.

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  • 对于沥青质、胶质主要成分有机堵塞,确定以-柴油(9∶1)复配体系为有机解堵

    For the organic scales mainly composed of asphaltene and gum, an organic scale remover containing benzol and diesel (9:1) is selected.

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  • 评述了世界上最新液化提质加工工艺催化

    Up to date processes and catalysts in the world for upgrading heavy coal liquids have been reviewed.

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  • 负载型催化为加氢催化,液相加氢还原仲辛醇中的2酮制备纯度仲辛醇。

    The supported copper and nickel catalysts are applied to preparation of purified octanol 2 by using hydrogenation reduction.

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  • 结果表明铝粉推进使用是可行的。

    The experimental results indicate that coarse aluminium powder can be used in HTPB propellant.

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  • 通过防火涂料贮存水性差、贮存返、增稠、原因研究,发现涂料基料阻燃是产生涂料贮存不稳定主要原因。

    The effects of the emulsion and intumescent systems on the storage stability and water-resistant performance of the fireproof coatings were discussed in the study.

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  • 结果表明乙二醇二甲为提取产品中双黄酮类成分较高;

    The results showed that using solvent ethyl diol dimethyl ether, biflavone content in crude extractings is higher than that obtained by using other solvents.

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  • 考察反应时间原料不同配比催化用量重量产率影响

    The influences of reaction time, ratio of raw materials and amounts of catalyst on yield of crude esters were studied.

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  • 辣椒自交系B17、B25为试材,用子叶外植诱导愈伤组织,以辣椒疫病痛原菌毒素作为选择, 筛选抗疫病辣椒变异体植株。

    Under the inhibition of crude toxin derived from Phytophthora capsici, some somaclonal variation lines were selected from the callus induced from cotyledons of two pepper inbred lines -B17 and B25.

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  • 结果表明:这种结晶添加能减少分溶液中粒子数,加强附聚作用的进行产品粒度提高

    Results showed this additive reduced the quantities of smaller particles, intensified the agglomeration process, increased the particles size and enhanced production rate of products.

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  • 甘油三酯各种吸附离子交换树脂接触,降低杂质含量

    Crude triglycerides are contacted with a variety of adsorbents and ion exchange resins to reduce the levels of impurities.

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  • 公开了一种方法其中磨料冷粘着粘结一起处理二氧化硅氧化钙氧化镁源。

    A process is disclosed in which coarse silica, calcium oxides and magnesium oxides are treated in a ball mill together with grinding AIDS and cold-strength binders.

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  • 所述装填吸附装填口分别有四个在圆周均匀分布,在径向交错的。

    Four coarse filtering material filling openings and four absorbent filling openings are evenly distributed around the circumference and are staggered along the radial direction.

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  • 发明提出一种适用于从锡多金属硫化脱硫工艺流程无臭味

    The invention provides a smell-less catching agent used in granular floatation sulphur removal process of coarse-grained tungsten-tin multimetal sulphuretted ore.

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  • 发明的饲料添加制备方法包括以下步骤磨;磨。

    A preparation method for the feed additive comprises the following steps: coarse grinding, fine grinding and precision grinding.

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  • 含有多个氮原子的组氨酸对强碱型阴离子树脂进行修饰获得一种新型离子交换该离子交换透明进行离子交换层析,使透明质酸与蛋白质核酸达到有效的分离。

    A novel ion exchanger prepared from a strong anion resin modified with histidine was used for purifying crude hyaluronic acid to achieve a successful separation from protein and nucleic acids.

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  • 运行结果表明,该催化强度、催化活性烧炭再生性能均满足该厂煤气变换装置要求

    The run results showed that the strength, activity and regeneratibility of QDB-04 catalyst met the requirement of the plant on raw coal gas CO shift reaction.

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  • 他们也没能用研磨来造出条纹完成准确地几何证实

    Nor do they have the striations caused by a rough abrasive that could have been used to achieve the exact geometries they demonstrate.

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  • 产物简单蒸馏苯乙烯回收率为89.41%,苯乙烯单体纯度可达99.9%以上,对催化进行再生利用效果较为理想。

    Crude product by simple distillation, styrene recovery was 89.41% of total styrene monomer purity of 99.9%, and catalyst recycling, the effect is better.

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  • 含铁金属氧化物来源广泛价格低廉、反应速率快、备受关注脱硫吸附的活性组分。

    Iron oxide with the high sulfur capacity, the high reactivity, extensive sources and low price is considered as one of the most favorable sorbents for bulk removal of H2S.

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  • 含铁金属氧化物来源广泛价格低廉、反应速率快、备受关注脱硫吸附的活性组分。

    Iron oxide with the high sulfur capacity, the high reactivity, extensive sources and low price is considered as one of the most favorable sorbents for bulk removal of H2S.

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