poisson e an advanced course in general relativity
Quarks and leptons an introductory course in modern particle physics f halzem,a martin
Ngày tải lên: 17/03/2014, 14:38
Tài liệu Notes for an Introductory Course On Electrical Machines and Drives E.G.Strangas MSU Electrical ppt
... THREE-PHASE BALANCED SYSTEMS Compared tosingle phasesystems, three-phase systems offer definite advantages: for thesame power and voltage there is less copper in the windings, and the total power ... voltage-fed, Y -connected, balanced system. three-phase systems are convenient to use. The three sources together supply three times the power that one source supplies, but they use three wires,...
Ngày tải lên: 25/01/2014, 13:20
benson's microbiological applications laboratory manual in general microbiology - alfred e brown
... exercises. In this edition it has been expanded to seven exercises. A more complete presentation of the nitrogen cycle is of- fered in Exercise 58, and two new exercises (Exercises 61 and 62) are included ... your eyepiece, find out from your instructor whether it is to be in- serted below the bottom lens or placed between the two lenses within the eyepiece. In either case, great care...
Ngày tải lên: 08/04/2014, 13:11
Cambridge University Press English Advanced Grammar In Use
... three sentences that are incorrect; (ii) three sentences with the present perfect which could also have the past simple (consider the difference in meaning); (Hi) three sentences where only the ... we prefer the present perfect continuous to the present perfect: • The pollution problem has been getting worse over the last decade. • Sales have been increasing for some time. However, if we .....
Ngày tải lên: 05/10/2012, 08:21
an special animal in Australia
... the imposing skyline, threatening to drench me at any moment. ps. They have purple trees here(!), and trees whose brances have dropped down from two / three meters up and re-rooted in the ... number of bloody joggers! There have literally been 50 pass me in the last twenty mins! I was beginning to think it was some sort of jog- a-thon, when an elderly lady, looking a picture in m...
Ngày tải lên: 22/01/2013, 21:52
KTra 45'' - Ancol......đủ đáp án (chỉ việc in)
... 1 : Etilenglicol và glixerol là A. hai ancol no, đa chức. B. hai ancol đồng đẳng. C. ancol bậc 2 và ancol bậc 3. D. hai ancol tạp chức. C©u 2 : Đun nóng hỗn hợp ancol metylic và ancol etylic ... vòng benzen. C. phân tử có chứa nhóm -OH liên kết trực tiếp với nguyên tử cacbon của vòng benzen. D. phân tử có chứa nhóm -OH và vòng benzen. C©u 4 : Etilenglicol và glixerol là A. hai ancol ... ch...
Ngày tải lên: 18/06/2013, 01:26