查询词典 reductive

This is perhaps a reductive method of production rather than an "additive" one but the outcome, in my mind, leads to a larger and more transparent soundscape.

这或许就像是音乐制作的而非，但在我看来，最后的结果却是创造了更形宽而且清晰的巨大音场。

As a carrier of plasmid DNA, dextran-spermine cationic polysaccharide was prepared by means of reductive-amination between oxidized dextran and the natural oligoamine, spermine.

作为质粒DNA的载体，阳离子的精胺多聚糖通过氧化右旋糖苷，精胺等之间的脱氨基化作用作用来制备。

This includes the determination of gross reducible iron and manganese oxides, their soluble behavior and the kinetics of redox reaction between iron and manganese oxides and phenolic compounds. Finally, the reductive dissolution of natural minerals in soils in tropic and subtropic zones by phenolic compounds in comparison with corresponding synthetic minerals it also given.

本文的研究得到了广东省自然科学基金《广东土壤与有机污染物间界面反应及污染土壤的同步修复》(编号：020615)和广东省科学院2000年度优秀青年科技人才基金《热带亚热带环境质量评价的矿物标识体系研究》的资助。

By the experimental study we can get the ways of this polymerization craft which is that we can construct water-solution foam polymeric system with the help of the foaming agent, using AM and DMDAAC as monomers, and that we choice the oxide-reductive agent and ultraviolet light as compound initiation system, and that we proceed vacuate pretreating for Pharmaceuticals, and superinduce additive to prevent cross link in drying process which also can improve product water-solubility.

实验研究得出这种聚合工艺的具体方法为：以丙烯酰胺、二甲基二烯丙基氯化铵为单体，在起泡剂的帮助下，构建出水溶液泡沫聚合体系，引发体系则选用氧化—还原剂和紫外灯组成的复合引发体系引发反应，药品进行抽真空预处理，同时添加一定量的助剂防止产品在干燥过程中发生交联，改善产品水溶性。

By calculating theoretically and testing, Topgallant void ratio of gas grid was determined.At high temperature,the charge material was suspending in gas bed,experiments of different magnetizing roasting temperature and roasting duration have been run by leading to reductive atmosphere containing CO.

在高温条件下，通入含CO还原气体，使物料处于悬浮状态，进行了不同磁化焙烧温度及时间试验，查明在650℃～760℃，焙烧时间10～60秒内，可以使菱铁矿(FeCO_3)、赤铁矿(Fe_2O_3)快速转变为磁铁矿(Fe_3O_4)。

The subsequent reaction of the 2-hydroxyethyl species around 160 K concerns two competing reactions: a reductive elimination with surface hydrogen to yield ethanol, and a β-H elimination to from surface vinyl alcohol.

羟乙基在160 K的转化过程中包括两个互相竞争的化学反应：与表面的氢原子进行还原反应生成乙醇，或失去一个β-H原子生成表面乙烯醇。

The influences of various reductive organic impurities, such as amines, phenols and sulfur compounds on the stability of HPAM aqueous solution have been studied by viscosimetry.

对各种还原性有机杂质如胺、酚和硫化物对 HPAM水溶液稳定性的影响进行了研究。

ABSTRACT :The influences of various reductive organic impurities , such as amines , phenols and sulfur compounds on the stability of HPAM aqueous solution have been studied by viscosimetry .

对各种还原性有机杂质如胺，酚和硫化物对HPAM水溶液稳定性的影响进行了研究。

Yields from chiral bisoxazolines (5a) with diethyl oxalate using NaOCH〓 as base for the first time. The structures of chiral multioxazolines and their intermediates, multi (β-hydroxylamide) s, were characterized by 〓H NMR, IR, mass spectra and elemental analysis. The catalytic activities and enantioselectivities of chiral multi (β-hydroxylamide) s (4) and chiral multioxazolines (5～8) were investigated by using acetophenone and β-acetonaphthone as former chiral ketone, KBH〓 or NaBH〓 as reductive reagent in chapter three.

在此基础上，对合成方法作了创新，以羧酸或酯为原料，在无催化剂的条件下与手性α-氨基醇反应，通过回流分水或脱醇的方法，一步反应合成了手性多噁唑啉（5～8），产率为89.2%～98.4%；以手性双噁唑啉（5a）为原料，在NaOCH〓的作用下，与草酸二乙酯反应，首次合成了呋喃类双嗯唑啉（6a），产率为72.9%～75.6%。

In route 1, geranylamine was synthesized from geraniol via Mitsunobu reaction and aminolysis. Adamantan-2-amjne was synthesized from adamantan-2-one via reductive imination and catalytic hydrogenation.

第一条路线香叶醇经Mitsunobu反应、胺解反应得到香叶胺；2-金刚烷酮经亚胺化、硼氢化钠还原、催化氢化脱节基得2-金刚烷胺。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新