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Ngày tải lên: 13/07/2014, 07:20

Ngày tải lên: 08/08/2014, 06:20

... require the remodeling of agriculture, energy use, and industrial production after nature’s example (JessicaTuckma Mathews, World Resource Institute) - Our global future depends upon sustainable ... of nature 2. Name some ways by which humans upset the balance of nature. 3.2. PROGRESS IN AGRICULTURE, ENGINEERING, AND MEDICINE Because of their superior intelligence, aided by the virtues ... DEVELOPMENT AND THE FUTURE After studying this chapter, you should be able to: 1. Explain why the balance of nature was altered only recently 2. Relate how humans were able to control nature 3. Enumerate...

Ngày tải lên: 03/11/2012, 11:06

... nineteenth century. European scientists attempting to isolate the infectious agent responsible for hoof-and-mouth disease in cattle concluded that it was smaller than a bacterium. Investigating the ... menace and a medical opportunity. Viral infections can be devastatingly destructive, causing cells to break open and tissues to fall apart. However, many methods for manipulating cells depend upon ... damaged or lost tissue. Exciting results are now starting to come in. What is a stem cell? At the dawn of a human life, a sperm fertilizes an egg to create a single cell destined to become a child....

Ngày tải lên: 27/02/2014, 20:34

... box- section member which forms part of the structural components of the vehicle chassis: Thanh nối khung xe.  frame structure n. all structural parts of the car which contribute to the ... projecting part, often acting as a lever and pivoting at one end or in the middle and pressing on another part: Vấu ngàm. filler cap finger PGS. TS. ĐỖ VĂN DŨNG 147 Tự điển Anh – ... bring both pads into contact with the disc: Bộ kẹp phanh đóa di động.  floating piston = SECONDARY PISTON: Piston số 2 (trong xylanh phanh chính). flood v. to allow too much fuel to enter...

Ngày tải lên: 12/03/2014, 21:13

... action of a galvanic: Sự ăn mòn điện hóa. galvanize v. to plate with zinc by hot dipping or electrodeposition (to protect from rust): Mạ kẽm  galvanized coating = zinc (based) coating applied ... galvanizing: Lớp kẽm mạ  galvanizing n. application of zinc coatings on the surface of a metal, by hot dipping or electrodeposition: Sự mạ  galvanizing bath = bath for hot-dip galvanizing ... plug and indicating readiness for starting: Đèn báo xông máy.  glow plug / starter switch = key switch for turning on the preheating system of a diesel engine and starting the car: Công...

Ngày tải lên: 12/03/2014, 21:13

... liftgate n. US = TAILGATE: Cửa sau. lifting platform take-up point n. any of the lifting points specified by the manufacturer for supporting the car on a lifting platform: Điểm đội (gầm xe) lift ... lean mixture n. mixture with more oxygen than necessary to burn the fuel contained in the mixture: Hỗn hợp hòa khí nghèo. (NOTE: opposite is rich mixture) LED (short for) light-emitting diode: ... (audio/video) circuit which ensures that when the unit is turned on, the tuner automatically tunes to the station that was received before the unit was turned off: Mạch nhớ đài cuối (radio, TV) latch...

Ngày tải lên: 12/03/2014, 21:13

... thải bằng tia hồng ngoại. NDT method n. non-destructive testing method, such as ultrasonic testing, X-ray testing, dye- penetrant testing: Phương pháp nghiên cứu không phá hủy như dùng siêu ... (NOTE: in Australia called roo bar): Thanh đỡ va (thanh cản trước) làm bằng thép mạ crome hoặc inox needle nerf bar PGS. TS. ĐỖ VĂN DŨNG 251 Tự điển Anh – Việt chuyên ngành Công nghệ Ô ... Xe hoặc phụ tùng chỉ làm một lần one-piece rim n. wheel rim consisting of one part, designed for tubeless type mounting: Niềng xe liền  one-piece rim designation = coded description...

Ngày tải lên: 12/03/2014, 21:13

Ngày tải lên: 12/03/2014, 21:13

Ngày tải lên: 12/03/2014, 21:13

Ngày tải lên: 12/03/2014, 21:13

Ngày tải lên: 12/03/2014, 21:13

Ngày tải lên: 04/07/2014, 16:20

Ngày tải lên: 23/07/2014, 22:59

Ngày tải lên: 27/07/2014, 14:21

... techniques of detecting, diagnosing and correcting errors (or 'bugs') which 2) Dịch đoạn văn sau sang Tiếng Việt What does a scanner do? A scanner converts fext or pictures into electronic ... stored as a file. The manufacturer usually includes software which offers different ways of treating the scanned image. A colour scanner operates by using three rotating lamps, each of which has ... potential buyers or clients. By designating what information goes into which blank space, a computer can process a huge amount of correspondence substituting the 'personal' information...

Ngày tải lên: 03/10/2012, 15:21

... repeating someone else's work, so the first step in designing a solution involves investigating existing solutions. If an appropriate software package is not available, and an existing ... defining the problem planning a solution designing a solution implementing the solution testing the solution reporting the solution DEFINING THE PROBLEM The first step is to understand ... for people. For example, the task of sorting names could take hours for a person, but can be done in seconds by a computer. Our modem society is continually finding new ways of using computer...

Ngày tải lên: 01/11/2012, 15:23

... primitives. The turtle responds to these instructions. Command Example Action SHOWTURTLE ST Puts the turtle on the screen HIDETURTLE HT Removes the turtle from the screen PENUP PU Turtle moves ... PD Turtle draws a line as it moves FORWARD x FD 50 Moves the turtle forward BACK x BK 50 Moves the turtle backwards RIGHT x RT 90 Turns the turtle x degrees to the right LEFT x LT 90 Turns ... for' education. It teaches students about mathematics and programming. Students enter Logo commands to make a 'turtle' move around the screen and draw pictures. It is a very powerful...

Ngày tải lên: 17/08/2013, 08:52

... nhiên. Khác với truy cập tu n tự. Có thể lấy ví dụ có 100 ô nhớ được đánh địa chỉ từ 1 đến 100. Với cách truy cập tu n tự muốn lấy dữ liệu từ ô nhớ thứ 99, cần phải truy cập tu n tự từ ô nhớ thứ ... Speed * 128/8 = Bus Speed * 8. Phần tiếp theo : Memory Timming. III/ Memory Timing Chúng ta thường nghe mọi người nhắc đến RAM Timings kiểu 2-2-2-5-1T hay 3-3-3-8-2T và là một trong những tiêu chí ... width tính theo đơn vị Bit còn BandWidth lại tính theo đơn vị là MB/s 1byte = 8 bit) VD: Với 1 thanh DDR-SDRAM 400 MHZ thì BandWidth = 400 * 64/8 = 3200MB/s vì thế mà người ta còn kí hiệu PC3200 _Ở...

Ngày tải lên: 17/08/2013, 13:10