Báo cáo hóa học: " Influence of grazing and precipitation on ecosystem carbon cycling in a mixed-grass prairie" potx

... for each year of analysis. Analysis was conducted by year, using pasture × grazing intensity interactions as the r andom effects, grazing intensity, pasture, year and all possible interactions ... patterns and magnitudes of CO 2 exchange between grasslands and the atmosphere and how those exchanges may be influenced by grazing regimes and precipitation. In particular, m...

Ngày tải lên: 20/06/2014, 23:20

... investigated PAH compounds. System con- trol and data evaluation were done on a GC/MSD ChemStation (Agilent, Waldbronn, Germany). The determination of the pharmaceuticals (diclofenac and carbamazepine) ... of fraction 2 with the conce ntration levels of the pharma- ceuticals diclofenac and carbamazepine. In contrast, the toxicity of fractions 1, 3, and 4 was probably cau...

Ngày tải lên: 21/06/2014, 17:20

... of the three data sets were used as learning data and the remaining data set as testing data, thus the training was done on 36 contractions (4 contractions per class) [6]. A linear discriminant ... training.Errorrate(meanand standard deviation) of the combinations feature set and classifier when training on the static part. Lorrain et al. Journal of NeuroEngineering and Reha...

Ngày tải lên: 19/06/2014, 08:20

... ergometer at the end of head- up tilt and on the tilt table the increase in heart rate was significantly larger (at 6 min and end of head-up tilt). Conclusions: Stabilization of blood circulation and ... speed of the alternating stepping movements and the range of motion of hip/knee joints can be adjusted by a control panel. The basic construction consists of a l...

Ngày tải lên: 19/06/2014, 10:20

... environmental sampling, ana- lysed some of the samples and evaluated the data and drafted the manuscript. RW performed the sampling of the personnel, evaluated the data and drafted part of the manuscript. Additional ... dung. Albu- min was increased in only two personnel indicating that there was no general environmental effect on nasal mucosal plasma protein leakage among the...

Ngày tải lên: 20/06/2014, 00:20

... hip BMD. In- patient and out-patient postmenopausal women of Han nationality from Sichuan province were selected for further evaluation, among which enrolled in a physi- cal examination clinic, rehabilitation ... Central Page 1 of 6 (page number not for citation purposes) Journal of Orthopaedic Surgery and Research Open Access Research article Concordane of OSTA and lumbar...

Ngày tải lên: 20/06/2014, 00:20

... important consideration for space and nuclear applications of ZnO nanostructures based LEDs is that these LEDs should be reliable to withstand and to operate in radiation hard conditions. In this paper, ... heterojunctions [8–10]. The close lattice match is the main factor that can influence the optical and electrical properties of heterojunctions. The p-GaN as a substra...

Ngày tải lên: 20/06/2014, 04:20

... (8) and playing the role of a center -of- mass momentum. The magnetic momentum is a generator of simultaneous translation in space and gauge transformation, preserving invariance of Hamiltonian of ... often used. It was shown that Bose-condensate of noninteracting 2 We considered magnetoexcitons in the ladder approximation and magnetoplasmons in the random phase appr...

Ngày tải lên: 22/06/2014, 00:20

... carbon paper which consists of a macroporous layer of carbon fiber paper (SGL, Germany) and a microporous layer of carbon black powder and a hydrophobic agent. The carbon black powder enhances an intimate ... operating voltages [1–5]. Carbon nanotubes are usually prepared by arc evaporation [6], laser ablation [7] or metal catalyzed CVD [8]. Cat- alysts with large sur...

Ngày tải lên: 22/06/2014, 18:20

... conducted data collection and analysis. KY, WJ and BG outlined the fundamental concepts of the scientific research, and contributed to the preparation of the manuscript. All authors read and approved ... However, consistent sensory feedback cannot be guaranteed due to many factors, e.g., skin adaptation of sustained stimulation, impedance changes caused by skin reaction. It is...

Ngày tải lên: 19/06/2014, 08:20