Methods The smooth muscle cells were isolated by enzymatic digestion from the ductus deferens of rats and cultured in vitro for 4 weeks.

Objective To establish a cell culture model in vitro for smooth muscle cells from the ductus deferens of rats.

目的建立从SD大鼠的输精管中提取、培养获得自体平滑肌细胞的方法。

Gas Chromatographic Analysis of an Adhesive Agent for Plugging Ductus Deferens

输精管粘堵剂的气相色谱分析

Culture of smooth muscle cells isolated from the ductus deferens of rats

大鼠输精管平滑肌细胞的体外培养

Conclusion The cause of cholelithiasis is closely correlated with the SO wriggle direction and the NDS length, there are no obvious relations whether ductus pancreaticus and bile duct are the common channels or not;

结论胆石病的形成与SO蠕动方向异常及NDS长度过长密切相关，与胰胆管共同通道无明显关系；

Methods Fix gallbladder, the Ductus pancreaticus Nipple of duodenum and an etc. of wall structures of the corpse to carry on prognosticate to 50 antisepsises.

方法：对50具男、女防腐固定成尸的十二指肠乳头及胆、胰管壁段等结构进行观测。

Pancreas: Compound gland functioning as Both an exocrine ( secreting through a duct) and an endocrine ( ductless) gland.

胰脏：混合的腺体，同时具有外分泌腺（经由导管分泌）与内分泌腺（无导管）的功能。

Ductless gland Most of the post-septal part of the nephridial tube is secretory.

【解】无管腺，内分泌腺肾管的后隔膜大部分具有分泌作用。

Endocrine system: Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis.

内分泌系统：由无管腺体组成的系统，分泌激素（荷尔蒙）以供身体正常生长、发育、繁殖和自我恒定性之需。

The experimental results and the compute results show that the structure form of the air ducting and the mesh enclosure have the influence not only for the send straightness, but also for the noiseses.

从数值计算和试验的结果看出，导风圈及网罩的结构形式，对于外机的送风的平直度、以及噪音都有影响。

Design of frost proof, air ducting and noise reduction for reverse-flow natural draft cooling tower

逆流式自然通风冷却塔防冻导风降噪设计

Direct calculation of resistance of ducting

管道阻力的直接计算法

Shanghai Dubbing Studio has a group of experienced professionals and technology specialists, and artists like Qiao Zhen, Din Jianhua, and Tong Zirong who are loved by the public.

上海电影译制厂人才济济，群英荟萃，拥有乔榛、丁建华、童自荣等一批深受观众喜爱的著名艺术家和技艺超群的技术人员。

The dual-purpose burner for oil and coal water slurry had perfect performances: it can meet the operating requirement of various loads;

采用的油、水煤浆两用燃烧器适应性能好，在烧油和烧煤浆时都能稳定着火，炉膛火焰充满度好，且配风调节方便，能适应不同负荷运行要求。

A: I received my MBA degree from Beijing University in 1998.

应: 我于九八年在北大获得工商管理硕士学位.

I received my MBA degree from Beijing University in 1994.

我于1994年在北京大学获得的工商管理硕士学位.

My sister was a student at Beijing University in the 1980's.

我的姐姐是八十年代的北京大学的学生.

Beijing University of Posts and Telecommunications that Professor Wang.

北京邮电大学教授王立新认为.

My name Is Ching-ming Wang . I'm a junior at BeiJing University.

我叫王庆铭,我是北大三年级的学生.

The university students' value orientation tends to selfishness and practicality, the desires of pursue individual ability and wealth of society is stronger, the more possibility of entrepreneurship.

大学生创业的价值定位趋向于利已性与实用性，其对个人能力、社会财富的追求欲望越强，创业的可能性越大。

Hypothesizing the Selfish Nature and Increasing the Wealth of Society

从自利假设到社会财富的增加