• 糖苷或糖的衍生物与一类非糖物质通过糖的原子链接成的化合物。

    Glycosides are certain molecules in which a sugar part bound to some other part through its anomeric carbon to another group.

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  • 刚刚,他用斧子另一了妮一下,颅骨断裂成了块。

    He had just hit her over the head with the blunt end of an axe, fracturing her skull in three places.

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  • 超选微导管置入撕裂血管损伤血管缓注入N-2-丙烯酸酯NBCA

    N-butyl 2- cyanoacrylate (NBCA) is gently deposited proximally to the arterial tear or at the level of the stump of the traumatized artery after superselective microcatheterization.

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  • 合成药理学评估以及酸性结构变化

    Synthesis and pharmacological evaluation of oxime and acidic head group structural variations.

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  • 引发体系中的微量水分影响环氧乙烷环氧丙烷聚醚结构进一步影响其分子量和使用性能重要因素

    Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide.

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  • 纺织陶瓷复合材料航空航天器部件有着广阔的应用前景。

    Ceramic matrix textile composite has been widely used as components in hot end of aeronautics and astronautics.

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  • 氧气、或醇残留催化剂、硅油、机械外力、填料硅氧烷等都会影响聚硅氧烷稳定性

    Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.

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  • 讨论了不同对偶氮生色自组装膜中初始取向影响

    Influences of substituents on the orientation of the azo chromophores were discussed in detail.

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  • 目的考察不同种植桩桩游离缺失种植固定支架适合影响,探讨临床上有无内冠支架适合性的关系。

    Objective: To compare the effects of the posts with different diameters and with or without core on the fitness of framework for free end implant bridge.

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  • 视图维护将作为多个实化视图的辅助视图集保存集成

    The radical database collection which are considered as auxiliary views of multiple materialized view are saved on the integration point.

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  • 采用Z捏合,将乙烯硅橡胶气相白炭黑硅氧烷进行炼,制备了强度硅橡胶混炼

    High strength silicone rubber compounds were prepared using vinyl-terminated silicone rubber, fumed silica and hydroxy siloxane by intensive mixing method in Z blade mixer.

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  • 树状大分子原油具有降效果

    The dendrimers of amino as end group have no visbreaking effect on the crude oil.

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  • 利用普通自由聚合中的转移反应分别制备的聚(PNVP - NH2)。

    Poly (N-vinylpyrrolidone) with carboxylic end groups and amino end groups (PNVP-NH2) were prepared by the chain transfer reaction in free radical polymerization.

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  • 佛冈花岗杂岩体南岭地区最大中生代乌石闪长岩角闪辉长岩佛冈钙碱性系列花岗岩中员。

    The Fogang granitoid complex is the largest Late Mesozoic batholith in Nanling region, and the Wushi diorite-hornblende gabbros are the most basic end-member of Fogang calc-alkaline series rocks.

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  • 文中就目前已报道化合物中心桥键中心骨架构成的角度该类液晶的合成进行了综合论述。

    In the paper, synthesis and development of the compounds are summarized respectively from three main angles including synthesis of central bond, skeleton and substitute group.

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  • 结论3,5 二甲酰氧作为良好的糖离去用于寡糖合成,具有反应条件温和、收率较高、立体选择性好的特点。

    Conclusion The 3, 5-dinitrobenzoyl group was found to be a good leaving group at the anomeric position and O-glucopyranosides and oligosaccharides were stereoselectively synthesized in good yield.

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  • 取代聚酯类超分散剂合成方法进行了研究,获得适当长度的聚酯链选择了最佳合成条件

    A synthetic method for substituted amino-terminal group polyester hyperdispersants is researched and the optimum conditions for polyester chain with suitable length are chosen.

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  • 因此,通过改变固化温度聚醚亚胺降低聚醚酰亚胺的表面,可以在一定程度调控反应诱导分离体系结构,并获得相间距较小的双连续结构。

    It suggests that the phase structure can be controlled by lowering the surface energy of polyetherimide and it is a possible way to obtain co-continuous structure with a smaller periodic distance.

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  • 以分子末带有官能度活泼PAMAM为原料,通过缩聚反应制备一类新型体型缩聚

    A novel class of three-dimensional polycondensates were prepared with PAMAM dendrimers having terminal multi-functional groups and other compounds, on the basis of polycondensation mechanism.

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  • 研究不同对聚苯乙烯的稳定性的影响。

    The thermal stabilities of the different end-functional polymers were investigated.

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  • 通过添加丁二烯——丙烯腈共聚物(HTBN)制得的异氰酸酯聚物,可改性环氧树脂

    Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).

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  • 通过近年来国内外文献综合,讨论了反应单体、聚氧选择聚合物相对分子质量及其分布水剂添加量等对减水剂性能的影响因素。

    The select ion of reactive monomer and oxyethylene group number, molecular weight of copolymer and its distribution, influence of terminal group and the amount of reducing agent added were discussed.

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  • 偶合终止生成聚丙烯腈(PAN分子含有2个引发剂引入,分子长度其他终止方式生成的分子链长的2

    The coupling reaction produced 2 sulfradicals in a molecular chain of PAN with the length two times than that provided by other termination methods.

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  • 本论文研究目标是常规阴离子聚合方法合成sbs上,通过转化实现了SBS与极性单体共聚

    Based on the general synthesis of SBS by anionic polymerization mechanism, we have carried out the copolymerization of SBS with several polar monomers by conversion of end-group of SBS.

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  • 丙烯腈红外光谱分析证实MST组分离子反应产生自由引发烯类聚合。

    The end group analysis of polyacrylonitrile by IR spectrum confirmed that the free radical produced by the reaction of MST and eerie ion could initiate the polymerization of vinyl monomer.

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  • 他们固定地面上的两个一个桥面一些固定在两上面的钢缆组成。

    They consist of at least two large towers anchored to the ground, a roadway, and a web of steel cables strung between the towers and from each tower to the anchorages at either end.

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  • 目的探讨双侧游离可摘局部义齿不同位装置对影响

    Objective: To study the influence on the displacement of abutment with various retainer designs for bilateral distal-extension removable partial dentures (RPDs).

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  • 结果表明菜心生长点、菜苔均存在CT K类物质。

    The results showed that CTK existed in the growing tip, the flowering stalk and the it's base part.

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  • 计算实践中总结出尺寸匹配原则”,达到消除影响避免模拟偏离实际目的。

    Above all, the "Principle of dimension matching" was summarized from the practice, so that the effect of chain-terminating atoms would be ignored and the deviation of simulation was reduced.

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  • 计算实践中总结出尺寸匹配原则”,达到消除影响避免模拟偏离实际目的。

    Above all, the "Principle of dimension matching" was summarized from the practice, so that the effect of chain-terminating atoms would be ignored and the deviation of simulation was reduced.

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