认识SCI、EI、ISTP、SSCI、INSPEC、SCIE、IEEE、CSCD、CSSCI

2015-01-22博士中国 SCI

SCI(科学引文索引 )、EI(工程索引 )、ISTP(科技会议录索引 ) 是世界著名的三大科技文献检索系统，是国际公认的进行科学统计与科学评价的主要检索工具,其中以SCI最为重要。

《科学引文索引》(Science Citation Index, SCI)是由美国科学信息研究所(ISI)19xx年创办出版的引文数据库，其覆盖生命科学、临床医学、物理化学、农业、生物、兽医学、工程技术等方面的综合性检索刊物，尤其能反映自然科学研究的学术水平，是目前国际上三大检索系统中最著名的一种，其中以生命科学及医学、化学、物理所占比例最大,收录范围是当年国际上的重要期刊,尤其是它的引文索引表现出独特的科学参考价值，在学术界占有重要地位。许多国家和地区均以被SCI收录及引证的论文情况来作为评价学术水平的一个重要指标。从SCI的严格的选刊原则及严格的专家评审制度来看，它具有一定的客观性，较真实地反映了论文的水平和质量。根据SCI收录及被引证情况，可以从一个侧面反映学术水平的发展情况。特别是每年一次的SCI论文排名成了判断一个学校科研水平的一个十分重要的标准。 SCI以《期刊目次》(Current Content)作为数据源，目前自然科学数据库有五千多种期刊，其中生命科学辑收录1350种；工程与计算机技术辑收录 1030种；临床医学辑收990种；农业、生物环境科学辑收录950种；物理、化学和地球科学辑收录900种期刊。各种版本收录范围不尽相同：

印刷版(SCI) 双月刊 3,500种

联机版(SciSearch) 周更新 5,600种

光盘版(带文摘)(SCICDE) 月更新3,500种(同印刷版)

网络版(SCIExpanded) 周更新 5,600种(同联机版)

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The Writing Principles and Techniques of

Business English Letters

1. Basic Parts of a Business English Letter

Most business letters have 7 standard parts. They are: letterhead, date, inside address, salutation, body, complimentary close, and signature. We appropriate, any of the following optional parts can be included: attention, subject, enclosure, postscript.

1.1 Letterhead

The letterhead expresses a firm’s personality and is generally printed on the firm’s stationery. It helps to form the impression of the writer’s firm. Styles vary considerably, but they all give similar information, usually containing all or some of the following elements: the company’s name and address, postcode, telephone number, fax number, e-mail address, even web address. They are usually positioned in the center.

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After Viewing Impressions about Travel Notes of A f Fying House

Last Sunday , I saw a movie named Travel notes of a flying house.This movie is very interesting and I like it very much.

The movie mainly talked about that a little boy with a flying dream grew with a little girl with the same dream,and then they got married,grow old together. Until the hostess Eli dead, didn't they finish the flying dream of wonderland waterfall. Finally one day, the 78 years old’s Mr Carr built a flying home, flew away to the fairyland waterfall, and there occurred many amazing and moving stories.

The film, tells me three truth. First of all, people should have a dream and pursuit.Only in this way will you have spirit,as for the single-minded pursuit of dreams and perseverance, then do you have a fight. Secondly, the difficulties are not invincible, but you have not the courage to face, to challenge.I believe that as long as face them bravely, you will be able to get victory and successful.

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美国签证USA Visa

美国商务签证邀请函USA Business Visa Invitation Letter

美国签证，加拿大签证，英国签证，法国签证，

德国签证，申根签证，韩国签证，日本签证，澳大利亚签证， 意大利签证，美洲各国签证，欧洲各国签证，亚洲各国签证， 非洲主要国家签证，大洋洲主要国家签证。

美国商务签证邀请函，加拿大商务签证邀请函，

英国商务签证邀请函，法国商务签证邀请函，

德国商务签证邀请函，申根商务签证邀请函，

韩国商务签证邀请函，日本商务签证邀请函，

澳大利亚商务签证邀请函，意大利商务签证邀请函，

美洲各国商务签证邀请函，欧洲各国商务签证邀请函，

亚洲各国商务签证邀请函，非洲主要国家商务签证邀请函， 大洋洲主要国家商务签证邀请函，

美国励展集团在全球41个国家每年举办超过500多个各类大型商务展览。

出具本公司美国励展集团在全球举办的各类大型展览的参展商邀请函及观展邀请函，本商务邀请函并不保证100%通过签证（任何人与机构都不可能保证送签者绝对获得签证，商务签证本函为商务邀请函，手机24小时热线：135xxxxxxxx只能匹配商务签证申请，不能

匹配个人旅游签证申请及其他申请），但基本上只要送签人本身资料真实充分，9成送签者都已通过，顺利拿到商务签证。

需准备资料简单（出访时段，护照号码，人名几拼音，所持护照有效期截止日期，公司英文名称)，资料完整约4-15天出函。 invitation letter，

business invitation letter

business visa invitation letter

business invitation letter

visa invitation letter

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O Lord, help me to be pure, but not yet.Saint Augustine

I knew right away that Rock Hudson was gay when he did not fall in love with me Gina Lollogrigida on Rock Hudson

Sex is an emotion in motion.Mae West

Winning isn't everything - it's the only thing.Vince Lombardi Don't get suckered in by the comments— they can be terribly

misleading. Debug only code.Dave Storer

In ancient times they had no statistics so they had to fall back on lies. Stephen Leacock.

An acquaintance is someone we know well enough to borrow from but not enough to lend to. Ambrose Bierce

He who hasn't hacked assembly language as a youth has no heart. He who does as an adult has no brain.John Moore

I've seen George Foreman shadow boxing and the shadow won. Muhammad Ali.

The trouble with the Internet is that it's replacing masturbation as a leisure activity. Patrick Murray.

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Ash Wednesday 2015: History, Dates, Traditions Of

Lent's First Day Of Fasting

Ash Wednesday is observed on February 18, 2015. The Christian holy day marks the beginning of Lent, a 40-day season of fasting that is considered preparation for Holy Week and the celebration of Easter.

Although there is no Biblical reference to Ash Wednesday or Lent, scholars of Christianity date the tradition of a 40-day fasting period back to 325 A.D.

Lent mirrors Jesus’ own 40-day period of fasting, described in the book of Matthew. Observers have ash placed on their foreheads in the shape of the cross as the words from Genesis 3:19 are spoken: “You are dust, and to dust you shall return.”

Fasting requirements for Catholics are outlined by the Code of Canon Law, and include eating no meat on the Fridays during Lent, as well as fasting on Ash

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初中英语教学论文：英语专业毕业论文范文 A Brief Analysis of

english teaching in senior high school

A Brief Analysis of english teaching in senior high school

Abstract: Classroom teaching is the main way for students to learn English. But in senior high school, a lots of probelms still exsit in the English teaching especially in the teaching of reading and writing. In this paper, the importance and methods of reading and writing will be further

discussed. Key words: reading writing techniques

Introduction: Classes should be learner-centered, with meaningful, functional activities, often, classes begin by finding out what the students don’t know. These classes operate on the assumption that there is a great deal of information that students lack and that the teacher and textbooks will impact that information to the students. Teachers who hold this assumption view students as plants waiting passively to be fed and watered. But I think the students should be regarded as explorers, active learners who bring a great deal to the learning process and at the same time, draw from their environment as they develop new understandings. The basic principle

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