And 1H NMR, 13C NMR and ESI-MS spectra characterized its structure. The reaction yield was compared between the two kinds of oxidant.

  • 采用1H NMR、13c NMR及ESI-MS对其结构进行表征,并对两种氧化剂的反应产率进行比较。
  • 来源:互联网摘选更新时间:2026-07-13 07:15:17

  • 重点词汇
  • spectran.范围,光谱;光谱( spectrum的名词复数 );波谱;范围;系列;
  • structuren.构造;建筑物;周密安排;
  • wasv. 用来表示某人或某物即主语本身,用来表示某人或某物属于某一群体或有某种性质( be的过去式 );在,存在;不受干扰;
  • andconj. 和;与;而且;于是;然后
  • reactionn.反应(能力);不良反应;化学反应;抗拒,反对;
  • comparedadj.比较的,对照的;
  • oxidantn.氧化剂;
  • between the two两者之间;
  • kinds of各种各样的;
  • yieldv.产生;屈服,让步;放弃;让路;
  • 相关例句
1、

And therefore the rapid quarantine test for pinewood nematode, that through the colour reaction made on felled wood by use of the suitable pH indicator was carried, was reliable and its reliability was over 95%.

结果表明,黑松病、健木pH值的差异极显著,因此,通过适当指示剂在伐倒木上的颜色反应进行松材线虫病的检验是可靠的,其可靠性可达95%以上。

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2、

The development of wood preservation treatment methods is focused on increasing the treatability of preservatives in wood, accelerating the fixation reaction between preservatives and wood, and developing new treating processes in response to new preservative systems.

木材防腐处理工艺的重点在于增强防腐剂在木材中的渗透性,加速防腐剂与木材之间的固着反应以及开发新型的防腐处理工艺以适应新的防腐剂的需要。

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3、

The Present and Perspective of Reaction Testing Technology of Wood Drying

木材干燥应力测试技术现状及展望

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4、

Under the condition of the same MC of wood powder, the initial temperature and peak temperature of reaction of birch wood powder with YQJ S adhesive increased with high heating rate.

在木粉含水率相同条件下,随着升温速率的提高,桦木木粉与YQJ&S胶粘剂反应的起始温度和峰值温度也随之提高;

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5、

Esterification characteristics and crosslinking reaction parameters between wood and polycarboxylic acid

多元羧酸与木材酯化反应特征和交联反应参数

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6、

The results showed that: 1.After the materials lost water, pyrolytic reaction of wood samples and α cellulose consisted of two stages but the reaction of Klason lignin was in only one stage.

结果表明:1.失去水分后的试样木粉、α-纤维素热解反应分两阶段进行,克拉松木素热解反应只有一个阶段。

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7、

The results of range and variance analysis reveal that the formation of complexes with Cu is still the major reaction in wood although the competitions among ACQ constituents for reaction sites exist. 4.

极差和方差分析表明,虽然ACQ不同组分会竞争在处理材中的反应场所,但木材成分与Cu之间的反应仍然是处理材中的主要反应。

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8、

THE INTERMEDIATE OF CROSSLINKING REACTION BETWEEN WOOD AND POLYCARBOXYLIC ACIDI. Space Effect and Chemical Structure of Polycarboxylic Acid

多元羧酸与木材交联作用的反应中间体I.多元羧酸的空间效应和化学结构

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9、

Effect of Temperature on Crosslinking Reaction between Wood and Polycarboxylic Acid

温度对多元羧酸与木材交联反应的影响

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10、

Study of microfibril angles in reaction wood

应力木纤丝角的研究

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11、

Effects of different angles on the growth stress, wood density and wood shrinkage of the reaction wood

不同倾斜角度对应力木生长应力、木材密度和干缩性质的影响

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12、

The concentration and chemical characteristices are variable according to different cell wall regions, reaction wood presence and cell types.

根据细胞壁不同层、不同的反应木及不同细胞类型,木素的数量、浓度及化学特性都不同。

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13、

Analytical prediction of the armature reaction and winding inductances of permanent magnet brushless DC motor with concentrated coils

集中绕组永磁无刷直流电机电枢反应及绕组电感的解析计算

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14、

The allocation scheme of reaction wheels is analyzed, and the model of frictional characteristics of reaction wheel is built.

分析了反作用飞轮的配置方案,建立了飞轮的摩擦特性数学模型。

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15、

The macro-kinetics of methane-steam catalytic reforming reaction with wheel catalysts of original sizes was investigated in an internal recycling gradientless reactor ( Type KD-1) under 3.04 × 106 Pa absolute pressure.

在3.04×10~6Pa压力下使用KD-1型内循环式无梯度反应器研究了原粒度七筋车轮形催化剂上甲烷水蒸汽催化转化反应的宏观动力学。

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16、

A Study on the Macro-Kinetics of Methane-Steam Reforming Reaction with Wheel Catalysts

车轮形催化剂上甲烷水蒸汽转化反应宏观动力学的研究

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17、

Reaction wheel ( RW) is one of the most important inertial execution parts of satellite attitude control system, it is widely used as the main execution part in three-axis stabilization satellite that with long life, high precision, multifunctional which be launched in recent few years.

反作用飞轮是卫星姿态控制系统中最重要的惯性执行部件之一,近几年发射的长寿命、高精度、多功能三轴稳定卫星,几乎毫不例外地利用反作用飞轮作为主要执行部件。

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18、

Reaction wheel is one of the disturbance sources for satellite structures, which leads to vibration of the satellite structures and decrease the work capability and pointing precision of the sensitive equipments.

反作用轮高速旋转是卫星结构的扰动源之一,受反作用轮扰动的影响,航天器整体结构会产生微小振动从而影响高精度敏感设备的指向精度和工作性能。

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19、

To study the problems of decoupling and eliminating precession for zero-momentum reaction wheel system, a new method to eliminate precession was put forward.

针对零动量轮卫星控制系统解耦和进动抑制问题,提出了一种新的进动抑制方案。

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20、

Simulation results show that the controller proposed in this paper has excellent control precise and robustness, and can suppress reaction wheel low-speed friction effect effectively.

仿真结果表明该控制器控制精度高,能有效抑制飞轮低速摩擦等对姿态的扰动。

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