闭塞

Signalling layout is the key to design of automatic block sections, and has a direct effect on railway operation efficiency and safety.

信号机布局是区间自动闭塞设计的重要任务，它直接影响铁路行车安全和运行效率。

Methods: Modified Longas method was used to make ratsmodels with reversible middle cerebral artery occlusion.

用改良的Longa氏法制备大鼠可再灌注大脑中动脉闭塞模型。

The pirpose of the paper is to discuss the blood supply characcteritics of primary tumor of the liver. The results indicate that this methos of treatment can prolong the survival time and increases the cure rate of he patient.

讨论了肝癌供血特征和TH胶行肝动脉支铸型栓塞治疗原发性肝肿瘤的适应症及异位栓塞的防治办法，认为肿瘤血管完全闭塞可以提高生存期和治愈率。

While on location the Millers lived in separate quarters and were barely speaking.

鉴于米勒家庭住在一个相对闭塞的地方，很少有交流的机会。

By realizing the onset、course、pathology、therapy and prognosis of NMO, we draw conclusions as follows after consulting the advances of therapeutic mechanisms and methods on myelitis、optic neuritis、multiple sclerosis、spinal cord injury etc, and combined with the typical case analysis of NMO diagnosed and treated mainly by XNKQ Acupuncture Therapy by stages:1 XNKQ Acupuncture Therapy grasps the soul of Canon of medicine, that is "Be the monarch normal, the followers are safe; while the monarch be abnormal, the twelves followers are dangerous and the channels are obstructed", believes that the main pathological mechanism of NMO be "The vitality can"t direct the qi which making the medulla injuried and the optical passage closed.

通过对NMO发病、病因、病理、治疗、预后的认识，参阅针灸治疗脊髓炎、视神经炎、多发性硬化、脊髓损伤等疾病的治法及作用机制研究进展，结合以醒法为主分期诊治NMO的临床典型病例分析，得出以下结论：1 醒法领会《内经》&主明则下安，主不明则十二官危，使道闭塞不通&的精神，认为本病总病机是&神不导气，髓损目暗&，汲取&凡刺之法，必先本于神&的精髓，确立了&调神导气，益髓明目&总则，分期辨证诊治，具有渊远流长的理论根基和标新立异的创新精神。2 与传统针法相比，醒法治疗NMO具有四大优势，即病机认识的深刻性、选穴处方的独创性、施术操作的规范性和临床疗效的显著性。

In this meta-analysis, the Antithrombotic Trialists' Collaborators examine the role of aspirin in the primary prevention of vascular disease.

背景：低剂量阿司匹林对许多闭塞性血管病的患者有确切和潜在的益处。

Results According to morphology, there were 3 types of superficial venous trunks in the flaps:"I" type,"Y" type and branch type. All types of the superfical venous trunks were the major passages in the venous drainage of the flaps. If the superficial venous trunks were occluded in pedicles, the venous drainage of the flaps almost stoped.

结果：根据形态可将逆行皮瓣中的浅静脉千分为3种类型：&I&形，&Y&形和树枝形，各种类型的浅静脉干都是皮瓣静脉逆向回流的主要通道，如果在蒂部将浅静脉干闭塞，皮瓣的静脉回流基本停滞。

We know diseases of stoppings, and suffocations, are the most dangerous in the body; And it is not much otherwise in the mind.

闭塞之症于人的身体最为凶险，这是我们知道的；在人的精神方面亦复如此。

We know diseases of stoppings, and suffocations, are the most dangerous in the body; and

闭塞之症于人底身体最为凶险，这是我们知道的；在人底精神方面亦复如此：你可以服撒尔沙以通肝

Barbiturate-anesthetized,open-chested, Wistar rats with chronic indwelling thoracic intrathecalcatheters were instrumented for hemodynamic measurements andsubjected to 30 min of coronary occlusion and 90 min of reperfusion.

Wistar 大鼠以巴比妥酸麻醉，开放胸腔，留置长期胸腔内管，并予血流动力学监测下闭塞冠脉30min 后恢复灌注90min 。

John Robbins lives with his family in Santa Cruz, California.

约翰罗宾和家人居住在加利福尼亚州的圣克鲁斯县。

The international background is mainly the economic ties among different nations tented to be widen and deepen at the peace and development times.

国际背景主要是和平与发展时代条件下的世界各国经济贸易联系的日益加深。