将新戊酰氯氯化为制得的3-氯新戊酰氯在全回流的填充蒸馏塔中进行。
The chlorination of pivaloyl chloride to prepared 3-chloropivaloyl chloride was took place in a packed distillation column with total reflux.
目的：检测1号止回阀对于回流的密封性。
Purpose: To test valve No. 1 for tightness against reverse flow.
目的：检测止回阀2号对于回流的密封性。
Purpose: To test check valve No. 2 for tightness against reverse flow.
然后分析了上海市海外人才回流的政策和趋势。
Then it also analyzes the policy and tendency of Shanghai overseas talented person backflow.
此路径返回流的数据，是伟大的报告或移动数据。
This path returns streamed data and is great for reporting or moving data around.
随后对影响劳动力回流的个体特征进行了实证分析。
Then make an empirical analysis on the individual characteristics affecting labor return.
第四章主要分析了我国劳动力回流的成因与影响因素。
Chapter IV analyzes the causes of China's labor force and return factors.
结论吻合掌侧静脉可满足指尖再植时静脉回流的需要。
Conclusion Anastomosed palm vein could meet the need of vein circulation.
本文分析了磁场和电场对真空中高压二极管电子回流的影响。
In this paper, the magnetic field's and the electric field's influence on the reflux of electron of high voltage vacuum diode is analyzed.
在许多情况下，用带有回流的精馏塔以改善间歇釜的分离性能。
In many cases, a rectifying column with reflux is used to improve the performance of the batch still.
几乎所有事件中，洪水都是靠近河流，泛滥河流或是河水的回流的。
In almost every case, the flooding is along rivers, overflowing rivers or a backwash from a river.
通过试验研究，找出了不同原水浊度情况下污泥回流的最佳运行工况。
The optimal operation condition to treat the raw water by sludge return method in various levels of turbidity has been found.
城市轨道交通的供电系统一般采用直流供电，并以轨道作为回流的通路。
In DC rail transit systems, the running rails are usually used as the return conductor for traction current.
回流的作用，中耳炎似乎是最为明显，年幼的儿童以及那些化脓性积液。
Reflux's role in otitis media appears to be most pronounced in younger children and those with purulent effusions.
尽管薄荷糖看起来能够放松肌肉，保持胃部顶端的阀门关闭，增加回流的几率。
Mint seems to relax the muscle that keeps the valve at the top of the stomach clamped down, increasing the odds of reflux.
利用超声波提取脱脂豆粕中的大豆异黄酮，并与加热回流的提取方法进行比较。
Soybean isoflavone were extracted from defatted soybean meal by ultrasonic wave and compared with heating circumfluence method.
取某氯碱厂正常回流的活性污泥对余氯及五种有机氯化物进行急性生物毒性试验。
The acute biological toxicity of residual chlorine and five organic chlorides against normal backflow activated sludge in a CHLOR-ALKALI factory was examined.
独有自动气喉设计，能有效减低隔气内之水份被蒸发及抽干而失去防回流的功能。
The innovative design of the automatic gas pipe effectively reduces the loss of water through evaporation and pumping to ensure that the valve can perform its best function.
静脉侧支回流的建立和加强对于多发性脑静脉窦血栓的治疗和预后判断意义重大。
Establishment and strengthen of collateral venous circulation are in favor of improvement and prognosis of the thrombosis.
分析了流液洞中玻璃液流情况，提出了流液洞设计和使用中消除或减少回流的措施。
The glass current in throat is analysed, and the measures to eliminate the return or to reduce the return volume are suggested in structural design and work of the throat.
方法以乙醇常压回流的方法，处理精制栀子黄色素后的HPD- 100大孔树脂。
METHODS Take atmospheric reflux by ethanol, to deal with HPD-100 macroporous resin after gardenia yellow pigment refining treatment.
结果表明，场协同理论不仅适合于抛物型流动，亦适合于复杂的有回流的椭圆型流动。
The results show that the Field Synergy Principle can be applied not only to parabolic flow, but also to complex elliptic flow and heat transfer with recirculation.
目的介绍应用指背皮神经营养血管皮瓣修复指腹创伤缺损的临床经验，并探讨改善静脉回流的方法。
Objective To introduce the clinical experience and investigate venous drainage of distal - ly-based dorsal digital neurocutaneous flap for finger-pulp reconstruction.
在转换至封隔器装置上面的环空以前，回流的携带液在工具底部进入内部流动通道，于是将环空隔离。
The returned carrier fluid enters the internal flow path at the base of the tool before crossing over to the annulus above the packer assembly, isolating the annulus.
但是，D博士说：如果咳嗽持续时间长达八个星期以上，你应该是看医生，因为它可能是如哮喘、胃酸回流的一个征兆。
But if your cough persists longer than eight weeks, you should see your doctor because it could be a sign of something else, such as asthma or acid reflux, says Dr. D.
通过改变燃烧室头部喷嘴、旋流器的数目和位置，对短环形流燃烧室内有较强回流的湍流旋流流动进行了模拟。
Turbulent reactive flow in a short annular combustor is simulated by changing the number and location of nozzle and swirler in combustor dome.
精馏过程的操作与研究中，回流控制是最重要的操作参数之一，提供回流的方式与精馏过程控制有很大的关系。
The control of reflux is one of most important operations in the distillation process and research, the policy providing reflux has much connection with the control.
然而，最近银行资产向母国回流的趋势正在朝低效、僵化的跨国银行系统越滑越深，这一风险是实实在在的，而且在不断加大。
But the risk that the recent homeward flow of bank assets will ossify into a less efficient, less flexible cross-border banking system is real and growing.
然而，最近银行资产向母国回流的趋势正在朝低效、僵化的跨国银行系统越滑越深，这一风险是实实在在的，而且在不断加大。
But the risk that the recent homeward flow of bank assets will ossify into a less efficient, less flexible cross-border banking system is real and growing.
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