New scientist 23 07

... vi dd HCl CaC0 3+2 HCl CaCl2+C02+H20 K2C0 3+2 HCl 2KCl+C0 20 +H Cu(0H) 2+2 HCl CuCl2+H20 Mg 0+2 HCl MgCl2+H20 b) Cỏc cht tỏc dng vi K0H FeS0 4+2 K0H Fe(0H)2+K2S04 H2S0 4+2 K0H K2S0 4+2 H20 c) Cỏc cht ... bi - Cỏc nhúm lm bi phiu hc Fe+ 2HCl FeCl2+H2 FeCl 2+2 AgN03 Fe(N03) 2+2 AgCl Fe(N03)2+Mg Mg( N03)2+Fe 2Fe+3 Cl2 FeCl3 FeCl 3+2 K0H Fe(0H)3 +2 KCl o t Fe203+H20 Fe(...

Ngày tải lên: 24/10/2013, 03:11

Ngày tải lên: 02/07/2014, 05:20

Ngày tải lên: 07/08/2016, 21:17

... Contact us newscientist.com/contact Who’s who newscientist.com/people General & media enquiries enquiries@newscientist.com Editorial Tel 781 734 8770 news@newscientist.com features@newscientist.com ... million years (The Astrophysical Journal, doi.org/brv3) 22 October 2016 | NewScientist | 15 For new stories every day, visit newscientist.com/news IN BRIEF ALEX HYDE / NATUREPL THIS mig...

Ngày tải lên: 29/10/2016, 21:56

... keeps turning oft the thermostat (B) There is no thermostat on the second floor (C) The other tenants want a thermostat (D) The second floor has enough heat 154 When should the thermostat be turned ... controls the temperature on the entire second floor When it is turned off, it affects not only your office, but all the surrounding offices as well We ask that you not touch th...

Ngày tải lên: 20/10/2013, 18:15

Ngày tải lên: 24/10/2013, 09:15

Ngày tải lên: 14/12/2013, 09:15

... váy Họa sỹ Vũ Quân, sinh ngày 2 0/7 /1 980, cung Cự Giải Đặc trưng Cự Giải ngày sinh - Người sinh từ 2 1/6 đến 1/7 người tử tế, nồng nhiệt nhạy cảm Họ thường có tài hội họa Đá may mắn: Thạch anh ... tài tình Không có lọt khỏi cặp mắt đàn ông Cự Giải Tài khoản tiết kiệm - thứ mà phần lớn Cự Giải sở hữu - dành cho niềm quan tâm tương tự Cự Giải, với Kim Ngưu, Ma...

Ngày tải lên: 13/02/2014, 13:20

... experiment allowed analysis of their spin systems and assignments of their proton resonances The assignment of their corresponding carbons, made by a HMQC spectrum The C-H long-range correlations ... Voucher specimens (No 2539) are deposited at the herbarium of the Institute of Natural Product Chemistry, VAST, and at the herbarium of the College of Pharmacy, Chungnam...

Ngày tải lên: 03/04/2014, 15:20

... editors@sciam.com Scientific American, Inc 415 Madison Avenue • New York, NY 1001 7-1 111 (212) 75 4-0 550 PRINTED IN U.S.A Scientific American July 1998 Copyright 1998 Scientific American, Inc LETTERS ... ground would appear darker.) — The Editors Copyright 1998 Scientific American, Inc Copyright 1998 Scientific American, Inc Scientific American July 1998...

Ngày tải lên: 12/05/2014, 15:38

Ngày tải lên: 12/07/2014, 23:00

... Delayed condensation was induced by ethidium bromide (Ikeuchi, 1984) CTG-banding (Sumner, 1972) and GTG-banding (Seabright, 1971) were conducted RBG-banding was performed according to the modified ... (Jeol) In total, 100 nuclei with the complete SC set at the pachytene stage were analyzed Meiotic prophase stages were identified as described by Dollin et al (1989) RESULTS Routine staining o...

Ngày tải lên: 14/08/2014, 19:22

... she returned them both d Because of a problem with the heel of her shoes, Sandra returned them 10 a John didn’t go to class because he knew there wasn’t going to be a test b John didn’t go to ... advertised price was $20 only a The class began at twenty to two because it was delayed by a fire drill b The class started twenty minutes late due to the fire drill c Because of a fire, class wa...

Ngày tải lên: 29/10/2014, 06:00

Ngày tải lên: 07/08/2012, 08:47