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... The length L of the divergent section has practically no influence on the discharge coefficient C. However, the included angle of the divergent section, and hence the length, does influence ... the Venturi nozzle direct calibration experiments have been made, sufficient in number, spread and quality to enable coherent systems of application to be based on their results and coefficients .....

Ngày tải lên: 13/12/2013, 12:15

... length at least equal to 2D measured from the upstream end of the entrance cylinder of the Venturi tube. 6.4.3 Alignment of the classical Venturi tube The offset or distance between the centrelines ... overall length of the convergent B measured parallel to the centreline of the Venturi tube is therefore approximately equal to 2,7(D − d). The convergent section B is blended to the entr...

Ngày tải lên: 13/12/2013, 13:15

... B. often C. sometimes D. usually 8. How does he ride a bike in the park? - Sometimes A. many B. often C. sometimes D. old 9. LiLi is to music. A. listen B. listening C. listened D. listens 10.What ... 2002. A. When B. How C. What D. Where 5. I’m going my aunt next Sunday. A. visit B. to visit C. visited D. visiting 4. LiLi is to music. A. listen B. listening C. listened D. listens 5. What...

Ngày tải lên: 26/11/2013, 22:11

... B. often C. sometimes D. usually 8. How does he ride a bike in the park? - Sometimes A. many B. often C. sometimes D. old 9. LiLi is to music. A. listen B. listening C. listened D. listens 10.What ... 2002. A. When B. How C. What D. Where 5. I’m going my aunt next Sunday. A. visit B. to visit C. visited D. visiting 4. LiLi is to music. A. listen B. listening C. listened D. listens 5. What...

Ngày tải lên: 26/11/2013, 22:11

... and the students’ teachers can all help the students come through this experience successfully. They can engage other students to become involved with the new students, too. New students in a school ... an embarrassment. If you need money, it’ s better to go to a bank for a loan. 144 EX Every generation of people is different in important ways. How is your generation different from your paren...

Ngày tải lên: 09/12/2013, 17:15

... water conservation awareness (Grisham and Fleming, 1989). 4.2.2 Integrated water resource management Water is the main component of the environment and essential element for human life (Igor, ... levels, key informants from Provincial Department of Agriculture and Rural Development (DARD), Department of Natural Resources and Environment (DONRE), Women's Union, Youth's Union w...

Ngày tải lên: 09/12/2013, 22:15

... the need to learn English because they were in a school environment where everyone spoke Spanish. Had they been in an English-lan- guage environment they would have picked up English skills faster, ... for “limited English proficiency students,” while educators prefer to call them “ELLs,” for “English Language Learners”.) In English immersion, non-English speak- ing students generally get abo...

Ngày tải lên: 10/12/2013, 05:15

Ngày tải lên: 10/12/2013, 12:15