运行于非受管环境下的应用程序必须显式提交或回滚事务。
An application running in a non-managed environment must explicitly commit or rollback transactions.
长输油气管道在敷设或大修时常因地质状况或天气情况的影响造成开挖管沟出现回淤、积水、坍塌等现象。
Silting, water accretion and collapse for the excavated ditch of pipeline are serious problems during the pipe laying or renovation of pipeline due to geological situation or weather.
在水平定向钻穿越管道回拖环节中,容易出现卡管现象,导致穿越失败,造成巨大的经济损失。
Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.
对于不同的传压管径、传压管长度和腔室容积,得到不同阻尼的衰减振荡曲线以及过阻尼时呈单调衰减的回零过程曲线。
Then the different damped oscillation curves and over-damped monotonic decay curves can be obtained for various diameter and length of the pressured tube and various volume of the chamber.
彩色显像管的质量控制需要利用和回用玻璃泡废料。
Quality control of color picture tubes may require the salvage and reuse of the glass envelopes.
通过数学解析方法,重点考虑回拖过程中管道弯曲段弯曲阻力的影响,建立了铺管阻力新计算模型。
The paper uses the mathematical analysis method and considers the effect of banding resistance in pulling process to set up the new calculation model.
为了解决回拖卡管问题,动态注水平衡技术应运而生。
In order to solve this problem, the dynamic water injection balance technique is developed.
线性压缩机、回热器、脉冲管以及惯性管的耦合特性对高频脉冲管制冷机的整机性能有很大的影响。
Matching characteristics among linear compressor, regenerator, pulse tube and inertance tube have large impact on the performance of high frequency pulse tube cryocooler.
如果碳纳米管阴极附近的真空度太低,将产生打火、气体电离、离子回轰阴极等问题,将导致阴极发射电流的迅速衰减。
If the vacuum near the cathode is too poor, it will generate spark, gas ionization and ion bombardment on cathode, which can result in a fast attenuation of the emission current.
搭建了一套双声源驱动热声热机实验系统,该系统包括双扬声器、谐振管、置于谐振管内的回热器和换热器等元件。
A thermoacoustic system with double acoustic drivers was constructed, which was composed of double speakers, a resonator, regenerator distributed in resonator and heat exchanger.
结论:液化石油气急性中毒通过抑制齿状回和室管膜下区的神经发生,影响小鼠的学习记忆能力和脑损伤后修复。
Conclusion: Acute liquid petroleum gas poisoning could affect the learning and memory capability and repair of cerebral injury of the mice by restraining the neurogenesis in DG and SVZ.
利用催化裂化催化剂在小型提升管催化裂化试验装置上考察了催化裂化汽油轻馏分改质和催化裂化汽油循环回炼改质的反应规律。
Reaction rules of FCC light naphtha upgrading and FCC naphtha recycle and reflux upgrading have been investigated with FCC catalyst in the bench scale riser FCC unit.
利用催化裂化催化剂在小型提升管催化裂化试验装置上考察了催化裂化汽油轻馏分改质和催化裂化汽油循环回炼改质的反应规律。
Reaction rules of FCC light naphtha upgrading and FCC naphtha recycle and reflux upgrading have been investigated with FCC catalyst in the bench scale riser FCC unit.
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