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Methods: 1. Experimental laparoscopic liver resection: We selected pigs as experimental models aiming to approach human beings physiological and anatomical condition. After CO2 pneumoperitoneum was established, the ligaments around liver were dissociated. Livers were cut off by the methods such as clamp dissection, microwave tissue coagulator, ultrasound dissector, Ligsure dissection, hand-assisted, short abdominal incision laparoscopy-assisted, and Endo-GIA switcher. The operation time and bleeding volume were compared between different methods of laparoscopic liver resection. The advantages and limitations of different methods were summarized. 2. Clinical laparoscopic liver resection: 15 cases with tumors in segment V of anterior right lobe or segments II, III of left lateral lobe or segment IV of left internal lobe were selected in this study. The liver diseases included hepatocellular cancer, hepatic cavernous hemangioma and hepatic focal nodular hyperplasia. The ligaments around liver were dissociated after CO2 pneumoperitoneum established. Laparoscopic liver resection were carried out by some of the methods combined such as clamp dissection, microwave tissue coagulator, hand-assisted, short abdominal incision laparoscopy-assisted, ultrasound dissector, rotation and suction dissector.

1、实验性腹腔镜肝切除：以猪为实验动物，旨在接近人体的生理、解剖环境下进行实验，建立操作空间后游离肝脏周围韧带，采用钳夹分离切肝法、微波刀切肝法、超声刀切肝法、Ligsure切肝法、手辅助腹腔镜肝切除法、小切口腹腔镜辅助切肝法、Endo-GIA切肝法等方法实施腹腔镜下肝切除，比较不同切肝方法的手术时间、出血量，总结各种方法的优越性及其局限性。2、临床腹腔镜肝切除：选择肿瘤位于肝右前叶第Ⅴ段、肝左外叶第Ⅱ、Ⅲ段及左内叶第Ⅳ段的15例患者，病种包括原发性肝癌、肝海绵状血管瘤、肝脏局灶性增生，建立气腹后游离肝脏周围韧带，采用钳夹分离断肝、微波刀固化后断肝、手辅助腹腔镜肝切除、小切口腹腔镜辅助肝切除、超声刀断肝、旋吸断肝等多种方法分离切线肝组织，暴露管道结构，再采用高频电凝、钛夹夹闭、缝扎止血、止血纱布覆盖、氩气刀止血、生物胶止血、Endo-GIA处理等多种方法相结合处理肝断面，统计手术完成情况、手术时间、手术出血量、术后并发症及术后住院时间等，评价腹腔镜肝切除的可行性及安全性。

While the Senate hearing was unfolding in Washington, the coastguard and the MMS held their own hearing outside New Orleans to look at the developing theories as to what went wrong.

参议员听证会在华盛顿展开的同时，海岸警卫队和美国国家矿产局也在新奥尔良外举行自己的听证会，来完善关于事故原因的"理论"。

BACKGROUND: Tramadol is a synthetic analog of codeine with opioid and local anesthetic properties.

背景资料：曲马多是可待因的合成模拟药，兼有阿片类药物及局麻药的特性。

He currently serves on the board of editors for the Journal of Economic Literature and is coeditor for the Journal of Public Economics.

此外，他但是国民经济研究局的一名研究员。

Its exploring background is a practical colligation operation office automation system which is explored for heilongjiang mail storing and collecting bureau .

它的开发背景是为黑龙江省储汇局开发的一套实用的综合业务办公自动化系统。

They'll commandeer the radio stations and the Canal Administration Office.

他们将征用广播电台和运河局办公室

The in-form Japan, powered by fiercely-attacking Keiki Nishiyama and Mizuho Ishida, got off to a flying start to lead commandingly 16-4 in the first set.

在曰本队阵容中，由攻击猛烈的Keiki Nishiyama 和 Mizuho Ishida所发出的攻击很快在第一局就以16-4处于绝对领先优势。

Such monasteries may be given in commendam, when the original commendam no longer exists on account of the resignation or death of the commendatory, only to cardinals and to qualified and well-deserving persons; and in such a way that the commendatories of the monasteries, whatever their dignity, honour and high rank may be, even if they enjoy the status and dignity of a cardinal, are obliged, if they have meals in private, apart from the common table, to assign a quarter of their board for the renewal of the fabric, or for the purchase or repair of furnishings, clothings and adornment, or for the maintenance or sustenance of the poor, as the greater need demands or suggests .

这种寺院可考虑在commendam ，当原来的commendam不再存在相应的辞职或去世的称赞，只红雀和合格和福祉值得人；并以这样一种方式，该commendatories的寺院，无论他们的尊严，荣誉和高级别可能是，即使他们享有的地位和尊严的一个基本，有责任，如果他们在私人用餐，除了常见的表，指定四分之一的局延长面料，或用於购买或修理家具，服装和装饰品，或为维护或生计的穷人，让更多需要的要求或建议。

It took over the job in 1995 from the Bureau of Economic Analysis, part of the Commerce Department.

她是在 1995 年从经济分析局接手这项工作的。

While the radiation "research" was conducted under the direction of the Atomic Energy Commis ion, many of the same scientists who were involved in the CIA's MKULTRA program acted as overseers of the radiation experiments.

当辐射研究在原子能委员会的指导下运作时，许多同样的科学家，他们卷入了中情局的MKULTRA项目，做为辐射实验的监督行动。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐