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Because it is one step from reactants to indole and utilizes inexpensive starting materials, a low cost process on the industrial scale could be possible.

由苯胺和乙二醇一步合成吲哚是众多合成方法中最为经济的一种。

Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysts, inspissation and crystallization, if we use phosphorus trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can red.

原工艺采用的是在酸性条件下高温时将甲醛滴加到亚磷酸与亚氨基二乙酸一钠盐混合溶液中进行反应,考虑到工业上亚磷酸的合成一般采用三氯化磷水解、提浓、结晶制得,直接将三氯化磷用于双甘膦的合成,不仅可以简化操作过程,而且对于降低生产成本和能耗有明显意义。

Originally techniques dropped formaldehyde into the mixture of phosphorous acid and monosodium of imino diacetic acid in high temperature. Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysis, inspissation and crystallization, if we use phosphoros trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can reduce the cost and save energy.

原工艺采用的是在酸性条件下高温时将甲醛滴加到亚磷酸与亚氨基二乙酸一钠盐混合溶液中进行反应,考虑到工业上亚磷酸的合成一般采用三氯化磷水解、提浓、结晶制得,直接将三氯化磷用于双甘膦的合成,不仅可以简化操作过程,而且对于降低生产成本和能耗有明显意义。

The high-power system including main circuit, the charging and discharging circuit of synthetic circuit test system, and the principle of charging and discharging for current supply using electrolytic capacitor is presented. At the aspect of circuit breaker control, the advanced permanent magnetic actuator is used and analyzed in this paper, including the precision computation and using in synthetic circuit. The trigger circuit of voltage supply is designed, and the intelligent control is used to trigger the igniting gap. And the integraph based Rogowski coil is designed and employed the intelligent detection of breaking current.

强电系统介绍了合成回路试验系统的主电路及其充放电电路,讲述了电流源采用电解电容器的充放电原理;断路器控制方面,采用当前比较先进的永磁操动机构,并对永磁机构的原理、精度计算和在合成回路中的应用做了详细地分析;设计并制作了电压源点火回路,对球隙点火进行智能控制;在智能检测开断电流方面,设计并制作了与Rogowski线圈相配合的积分器。

If only the interatomic force are considered, atomic stress amounts to the potential density in the resultant force field generated by the neighboring atoms, and atomic elastic constants equals to the potential density increment in the same resultant force field.

如果只考虑原子间作用力的影响,原子应力等于该原子在周围邻域原子合成张量力场中的势能密度,原子弹性常数等于发生单位应变时原子在邻域原子合成力场中势能密度的增量。

Formate it in the route in dozens of existing, only the synthetic routes with thiamphnicol,intermediate, by-products have industrialized value.

在现有的几十条合成路线中,只有以甲砜霉素及其中间体、副产物的合成路线有工业化价值。

In the third chapter, in order to synthesize the target molecules, a intermolecular oxidative coupling route was designed .

在论文的第三章,为了实现目标分子的合成,设计了通过分子间氧化偶合成环反应得到目标分子的合成路线。

The results show that coal tar pitch and PMB can be used to synthesize COPNA resin, the reaction mechanism of which is a positive ion-typed condensation polymerization catalyzed by acid. There exist many micro fibers with a uniform distribution in the COPNA resin. The fibers grow with increase of modification time, and then intertwist and amalgamate. Moreover, the COPNA resin possesses good thermo-stability and high coke value.

研究表明煤沥青能与PMB合成COPNA树脂,其反应机理为酸催化下的阳离子型缩聚反应;COPNA树脂的合成中出现很多微纤,随交联聚合程度的加深,微纤相互缠结并融合;COPNA树脂具有很好的耐热性和较高的炭收率。

The fat deposition is a fundamental mode of energy storing. The deposition quantity of animals body fat is a homeostasis ,which includes fat intussuscept, the fatty acid synthesizes, the trigalloyl glycerol synthesizes and break down.

脂肪的沉积是能量贮存的主要方式,动物体脂的沉积量是脂肪摄取、脂肪酸从头合成、甘油三酯的合成及脂肪降解过程动态平衡的结果。

Based on the foregoing strategy, we choose Inverse Modified Discrete Cosine Transform and Polyphase Synthesis Filterband of the MP3 decoder by an ASIC implementation. Moreover, to further reduce the hardware cost, we use CORDIC-based calculations and merging some arithmetic operations to replace the original ones of IMDCT and PSF.

基於前述的原则及由运算量的统计分析,我们选定「反转修正式离散余弦转换(Inverse Modified Discrete Cosine Transform, IMDCT)」与「多相位合成滤波频带(Polyphase Synthesis Filterband, PSF)」使用ASIC方式实现,同时为了有效降低这两个模组的硬体成本,我们导入「座标轴旋转数位计算机」及合并运算方式取代原始算术运算,使得新的计算式有效降低原IMDCT约74%之乘法及约49%加法运算,而在多相位合成滤波频带的反离散余弦转换也有降低约33.4%之乘法及约24.6%之加法运算。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。