Báo cáo hóa học: " How can social and environmental services be provided for mobile Tibetan herders? Collaborative examples from Qinghai Province, China" pdf

... and Practice 2011, 1:21 http://www.pastoralismjournal.com/content/1/1/21 Page 21 of 22 RESEARCH Open Access How can social and environmental services be provided for mobile Tibetan herders? Collaborative examples ... http://www.feer.com/international-relations/ 20098/january58 /Tibetan- Plateau-in-Peril. Accessed 24 May 2009. doi:10.1186/2041-7136-1-21 Cite this...

Ngày tải lên: 20/06/2014, 23:20

... and proved a global existence result for g ≥ 0 and an exponential decay for g > 0. This result has been extended by Messaoudi and Tatar [2,7] to the situation where g = 0 and exponential and ... restric- tions and −ξ 1 g ( t ) ≤ g  ( t ) ≤−ξ 2 g ( t ) , t ≥ 0 , the authors established an exponential rate of decay. This latter result has been improved by Cavalcanti and Oq...

Ngày tải lên: 21/06/2014, 00:20

... QD-labeled probe, and excessive oligonucleotide probes were removed by dialysis against a pH 7.0 PBS buffer using a cellulose- acetate membrane. The emission spectrum of resultant QD-labeled probes ... Papillomaviruses and cancer: from basic studies to clinical application. Nat Rev Cancer 2002, 2:342-350. 5. Parkin DM: The global health burden of infection-associated cancers in the year...

Ngày tải lên: 21/06/2014, 01:20

... nanomaterials in the form of nanotubes and nanowires have begun to be reported as promising materials for wide field of applications [1,2]. Such materials could be also used for fabrication of miniaturized ... Carbon composite micro- and nano- tubes-based electrodes for detection of nucleic acids. Nanoscale Research Letters 2011 6:385. Submit your manuscript to a journal and...

Ngày tải lên: 21/06/2014, 03:20

... this paper generalize and extend some known results in Fan and Zhong 2008, He 2007, and Zhong and Huang 2010. 1. Introduction Let X and Y be reflexive Banach spaces. Let K be a nonempty closed ... subset of X and hence weakly closed. Now we prove Fy, x, v 0  ⊂ −P for all y ∈ Lu 0  and hence x ∈ S D u 0 ,v 0 Su 0 ,v 0 . For any y ∈ Lu 0  and y ∗ ∈ Fy,...

Ngày tải lên: 21/06/2014, 06:20

... basic definitions and lemmas which can be found in books 31, 32. Definition 2.1 see 31. A time scale T is an arbitrary nonempty closed subset of real numbers R. The forward and backward jump ... method, and only good for neural networks without impulse. Our results obtained in this paper are completely new even if the time scale T  R or Z and are of great significance in des...

Ngày tải lên: 21/06/2014, 07:20

... describe a testbed design, and release statistics describing ZigBee’s physical and medium access control (MAC) layer reliability. There are studies regarding ZigBee’s performance based on theory and ... minimum, and average RSSI values for every trial. A conversion chart for CC2420’s RSSI values to dBm is given in [20,page49].The BER, PER, and PLR characteristics are defined as f...

Ngày tải lên: 21/06/2014, 18:20

... existence and uniqueness theorem for 1.1. Theorem 2.1. Suppose the following assumptions hold: A1 g ∈ C 1 R, R and g  x < 0 for all x ∈ R; A2 there exist a constant r ≥ 0 and a function ... Article Existence and Uniqueness of Periodic Solutions for a Class of Nonlinear Equations with p-Laplacian-Like Operators Hui-Sheng Ding, Guo-Rong Ye, and Wei Long College of...

Ngày tải lên: 21/06/2014, 18:20

... would like to mention some results of Anderson and Minh ´ os 11 and He and Su 12, which motivated us to consider the BVP 1.1 and 1.2. In 11, Anderson and Minh ´ os studied the following ... assumptions A 1  and B 1  on the nonlinear term, without demanding the existence of upper and lower solutions, we present conditions for the BVP 1.1 and 1.2 to have a un...

Ngày tải lên: 21/06/2014, 18:20

... 2,0<η 1 <η 2 < ···<η m−2 < 1 are constants, and ft, u can have singularities for t  0and/ ort  1andforu  0. 8 Boundary Value Problems 2 For each u ∈ D h ,since  Tu    t   −  t 0 sf  s, ... prove 2.2. And 2.3 can be proved similarly. For each fixed constant u 0 > 0, let v  t   t  η 1 t f  s, u 0  ds for t ∈  0,η 1  . 2.4 Then fr...

Ngày tải lên: 21/06/2014, 18:20