Tài liệu Basics of Water Resources Course book Course A doc

... UNESCO Course A Basics of Water Resources 19 Water balance of a drainage basin The water balance is often applied to a river basin. A river basin (also called watershed, catchment, or drainage ... Introduction An important purpose of water management is to match or balance the demand for water with its availability, through suitable water allocation arr...

Ngày tải lên: 22/02/2014, 12:20

... increased use agro-chemicals of upstream. The pollution of surface and ground water will increase the scarcity of fresh water throughout affected areas. A decreases availability of household water ... without access to safe drinking water and half of the population is without access to adequate sanitation (Danida, 2000). In the East of Tien Giang, Go Cong area, one thi...

Ngày tải lên: 24/01/2014, 00:20

... Data Files Many techniques are available to read data into matlab and to save data from matlab. The load and save functions can load or save matlab format binary or plain ASCII files, and low-level ... can load and plot it as follows: 5 AustralianBureauofStatisticsWebPage,http://www.statistics.gov.au,and Australians: A Historical Library, Australians: Historical Statistics, Fairfax, Syme &am...

Ngày tải lên: 22/12/2013, 12:16

... the yield and the price of a bond are discussed. The unit also includes a discussion of duration and its calculation. All of the computations are relatively straightforward; many financial calculators ... for valuation are based on the ideas presented in Unit Three. The unit provides an explanation of some of the basic terms associated with financial assets. Basic formulas used...

Ngày tải lên: 22/12/2013, 16:15

... text has been approved by an organization as the authoritative definition of a standard. You may add a passage of up to five words as a Front-Cover Text, and a passage of up to 25 words as a Back-Cover ... in the education of the heat transfer. Up to Egret’s book, the study of heat transfer was without any dimensional analysis. He wrote his book because he realized that t...

Ngày tải lên: 16/02/2014, 23:20

Ngày tải lên: 18/02/2014, 04:20

... indices). basis, Hamel A maximal linear independ- ent subset of a vector space X. Such a basis always exists by Zorn’s lemma. basis of a vector space A subset E of a vec- tor space V is called a basis of ... digital, analog means a dynamic variable taking a continuum of values, e.g., a timepiece having hour and minute hands. analog computation Instead of using...

Ngày tải lên: 10/12/2013, 12:15

... a plane when it is drawn on a plane surface such that all edges are drawn as straight lines and no two edges intersect each other. A graph is planar if it can be embedded in a plane. Specifically, ... determi- nation of the number of spanning trees in a graph [2]. THEOREM 2.4 Let A be the adjacency matrix of a connected graph G. Then all cofactors of the matrix M are equa...

Ngày tải lên: 17/12/2013, 13:15

... method of designing gear trains. A designer starts with a simple gear train and increases the complexity of the design by adding one gear at a time. When a new gear is added, a journal bearing is also ... internal gear pair and a negative sign for an external gear pair. For bevel gear trains, we simplyassign a positive direction of rotation to each joint axis, and obtain t...

Ngày tải lên: 17/12/2013, 13:15

... linear actuators. This arrangement has the advantage of separating the function of constraint from that of actuation. Finally, the structural characteristics of geared robotic wrist mechanisms ... mechanisms are fractionated three-dof geared mechanisms; that is, they are made up of a two-dof gear train in series with a base link. C2. There are at least three coaxial members that...

Ngày tải lên: 26/12/2013, 00:16