渗透系数又称水力传导系数,是 描述介质渗透能力的重要水文地质参 数。根据达西公式,渗透系数代表当水 力坡度为1时,水在介质中的渗流速 度,单位是md或cm/s。渗透系数大小 与介质的结构(颗粒大小、排列、空隙 充填等)和水的物理性质(液体的粘滞 性、容重等)有关 导水系数即含水层的渗透系数与其 厚度的乘积

Civil Liberties versus civil Rights civil liberties involve restraining the government's action against individuals civil rights are rights all individuals share as provided for in the 14th amendment, which guarantees equal protection under the law

Who Is Eligible to Run for office there are few eligibility requirements to run for most U.S. offices President must be a natural born citizen must be 35 years old must be a resident of the country for 14 years before inauguration Vice President must be a natural born citizen must be 35 years old

What is Foreign policy? ~ nation's' external goals and techniques and strategies used to achieve them American foreign policy includes national security policy, which is policy designed to protect the independence and the political and economic integrity of the United States

ATTITUDE MOTION -TORQVE FeEE MANE 0ISCUSSED THE ROTATIONAL MOTION FRDn 1 ERSPECTvE。FE”6o0 FRAME 一NE0T0F1A0 A WAy TO CONNECT THE MOTION To THE INEATIAL FRAME So WE CAN DESCRI BE THE ACTUAL MOTION TYPICALLY DoNE 6y DESC RI BING MOTION oF NEHICLE ABoVT THE

Tolstoy's novel, Anna Karenina, starts famously with the observation that\All happy families resemble one another; every unhappy family is unhappy in its own fashion. The opposite is more nearly true in respect to the rule of law. Though many societi with differing governance structures and legal systems adhere in their own ways to the ule of law, societies that derogate from it do so in more similar fashion. Put differently it is easier to identify departures from the rule of law than to explain why particular ac-

Chapter I Entry 第一条外国人入境,应当向中国的外交代表机关、领事机关或者外交部授权的其他驻外机关 申请办理签证。 Article I For entry to China, aliens shall apply for visas to Chinese diplomatic missions, consular posts or other foreign-based agencies authorized by the Foreign Affairs of the People's Republic of China

国际金钥匙 Les clefs d'or emb|em链接 What's Les clefs d'or [Concierge]-n janitor, the keeper of keys. Les clefs d'or pronounce as lay clay door], which is a noun came from old french means an international professional association that at is composed by golden key members who devote to service field

1.简述题(每题10分) (1)据p-v图,在T-s图上画出循环A(1-2-3-4-1)和循环B(1-2-3-4 1),比较其热效率的大小并简述理由:

Outline FASTA, Blast searching, Smith-Waterman Psi-Blast Review of Genomic DNA structure Substitution patterns and mutation rates Synonymous and non-Synonymous substitutions Jukes-Cantor Model Kimura's Two-Parameter Model