但是在严重的情况下,微环隙可围绕整个套管圆周。
However, in severe cases the microannulus may encircle the entire casing circumference.
提出了一种基于微环谐振器的光分组头串并转换方法。
An optical header serial-to-parallel conversion technology using microring resonators is reported.
研究了一种基于微环谐振腔的耦合共振光波导反射镜。
A coupled-resonator optical waveguide reflector(CROWR) based on triple-micoring was investigated.
模型中包括射孔孔眼、套管、水泥环、油层、微环隙和横向裂缝。
The model consists of perforation, wellbore, cement casing, oil layer, micro-annulus and transverse fracture.
在井内加压下进行水泥胶结测井带压作业,其目的是将微环空与串槽区分开。
The purpose of cement bond log (CBL) under increasing borehole pressure is to differentiate micro annulus from bypass channel.
本文采用有限元计算方法研究了微环厚度对套管井声波测井初至波幅度的影响。
The dependence of amplitude of first break for acoustic logging in cased borehole on the thickness of microannulus is studied in this paper with Finite Element Method (FEM).
微环谐振器可用很小的尺寸实现很大的色散,它在色散补偿器方面的应用受到重视。
It can achieve a large dispersion in a small size. Microring resonator is especially attractive in dispersion compensation application.
提出消除微裂缝-微环隙的防窜措施,是在固井水泥浆中添加海绵铁及合成橡胶粉。
Channeling can be prevented by adding sponge iron and synthetic rubber powder in cement slurry.
计算了带有增益的微环谐振器的光速控制行为,并与带有损耗的微环谐振器进行对比。
The light speed control behavior of the resonator with gain is calculated and compared with that of the resonator with loss.
利用电子束光刻、等离子体增强化学气相沉积、感应耦合等离子体刻蚀来实现跑道型微环谐振器的制备;
The optical part can be done by applying Electron Beam Lithography (EBL), Inductively Coupled Plasma (ICP) etching, and Plasma-enhanced Chemical Vapor Deposition (PECVD).
六元环分别呈现微扭曲的椅式构象、严重扭曲的椅式构象及半椅式构象。
The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively.
当微定位台的结构是多环、多自由度时,由于空间的限制,通常其运动方程是耦合的,需对它进行综合分析和解耦。
Due to space limit, the motion equations are often coupled when the micro positioning stage has multiple links and freedoms. Thus, synthesis and decouple are necessary.
本文首先分析了新型光纤环敏感元件的敏感机理,给出其微弯光损耗的理论模型;
This paper analyses the mechanism and gives the theoretical model of the micro bend loss in the optic fiber sensing ring.
在这些器件的制作过程中,铁电薄膜的微图形化是非常重要的一环。
In the preparing process of these devices, the micropatterning of ferroelectric thin films is very important.
利用微弧氧化技术对ZL 108铝合金活塞第一道环槽进行了陶瓷化处理。
The ceramic treatment for the first ring groove of ZL108aluminum alloy piston was conducted with micro-arc oxidation technique.
结果表明,粉尘有机提取物及其有机酸、多环芳烃、极性化合物可使微核率和SCE率显著增高,并有一定的剂量-反应关系。
The results showed that the dust organic extraction and its polycyclic aromatic hydrocarbons, organic acids, polar compounds increased micronucleus and SCE frequency significantly with a dose effect.
采用环缝磨制备了莫来石微粉。
在机械微应变多通道数据采集系统中,采用电流环方式进行远程信号传输,能够提高测量系统的抗干扰能力。
Applying current loop to transfer signal can improve the ability of the system's anti -interference in mechanic microstrain measuring system.
介绍了含活性基团(环氧基、长链烷基等)硅橡胶球形微粉的制备、硅橡胶球形微粉水分散液的制备。
The preparation of spherical powder of silicone rubber, whose active groups are epoxy group and dodecyl, are introduced, as well as the preparation of its aqueous dispersions.
报道了交联琼脂糖包膜活性炭(CAAC-II)微囊制备过程中的质量控制、环氧氯丙烷的清除。
The preparation and the quality control of cross linked agarose coated activated (CAAC II) were described. The crosslinking reagent epichlorohydrin was removed.
其中六元环分别呈现微扭曲的椅式构象、严重扭曲的椅式构象及半椅式构象;
The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively, and the five-membered ring exhibits an envelope conformation.
采用微反-色谱联合装置对环氧丙烷开环异构化反应中催化剂的初活性进行了评选。
The initial activity of catalyst in isomerization reaction of propylene oxide have been evaluated with microreactorchromatograph.
结论吻合器直肠黏膜环切术治疗直肠黏膜内脱垂具有安全、高效、操作简便及微创等优点,是一个极具潜力的手术方法。
Conclusion Circular stapling procedure is safe, simple and effective technique for treating internal rectal mucosal prolapse with the advantages of minimal invasion.
本发明提供在微通道反应器内安装环氧化催化剂的方法。
The invention provides a method of installing an epoxidation catalyst in a microchannel reactor.
应用微裂缝开展理论,对钢纤维混凝土环向受拉全过程作了宏观过程和微观机理的分析;
With the application of the microfissure development theory, this paper also analyzes the whole procedure of the experiment of the SFRC in both way of macro-process and micro-mechanism.
结果建立了CHL ?3a4转基因细胞系,双核细胞微核试验证明该细胞系能代谢活化黄曲霉毒素b 1 (afb1)、杂色霉菌毒素(STC)、环磷酰胺(CPA)。
Results It was proved that a CHL 3a4 transgenic cell line was established, which could lead metabolic activation for aflatoxin B1 (AFB1), sterigmatocystin (STC) and cyclophosphamide (CPA).
同时给出了半素环的微商满足某些微分恒等式的结果。
Also we will discuss some differential identities in semiprime ring.
同时给出了半素环的微商满足某些微分恒等式的结果。
Also we will discuss some differential identities in semiprime ring.
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