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Mulching effects on water storage in soil and its depletion by alfalfa in the Loess Plateau of northwestern China
Abstract In the dryland region of the Loess Plateau of northern China, alfalfa (Medicago sativa L.) is widely grown for animal feed to develop livestock operations, while also reducing soil erosionExpand
Virtual machine scheduling for improving energy efciency in IaaS cloud
A VM scheduling scheme meeting multiple resource constraints, such as the physical server size and network link capacity, and a two-stage heuristic algorithm to solve the issue, and simulations show that the solution outperforms the existing PM- or network-only optimization solutions. Expand
Anti‐inflammatory Activity of Two New Indole Alkaloids from the Stems of Nauclea officinalis
Two new indole alkaloid derivatives (1, 2), together with six known indole alkaloids (3 – 8) were isolated from the 70% EtOH/H2O extract of the stem of Nauclea officinalis. Their structures wereExpand
Analysis of microwave polarization difference index characteristics about different vegetation types in northeast of China
Microwave polarization difference index (MPDI) has great potential in soil moisture content and biomass inversion. Passive microwave remote sensing can be used for inversing surface parameters suchExpand
"English Fever" in China Has Reached a Watershed
The recent Gaokao language subject reform in China-lowering the score of English, raising the score of Chinese-has aroused extensive debate in public. The time consuming, low efficiency, andExpand
Soil Carbon and Nitrogen Transformations under Soybean as Influenced by Organic Farming
1883 Soil supports, provides for, and regulates ecosystem services that are vital to sustainable agricultural production. Organic farming (OF) systems, which use natural inputs and emphasizeExpand
A new tactic to achieve Y2O2S:Yb3+/Er3+ up-conversion luminescent hollow nanofibers
Y2O3:Yb3+/Er3+ hollow nanofibers were prepared by calcination of monoaxial electrospinning-made PVP/[Y(NO3)3 + Yb(NO3)3 + Er(NO3)3] composite nanofibers, and then Y2O2S:Yb3+/Er3+ hollow nanofibersExpand
4-hydroxy-2-quinolones. 169*. synthesis and bromination of 1-allyl-3-(arylamino-methylene)quinoline-2,4-(1h,3h)-diones
Bromination of 1-allyl-substituted 3-(arylaminomethylene)quinoline-2,4-(1H,3H)-diones with one equivalent of molecular bromine in glacial acetic acid and subsequent dilution of the reaction mixtureExpand
A Novel Scheme to Obtain Y2O2S:Er3+ Upconversion Luminescent Hollow Nanofibers Via Precursor Templating
Y2O3:Er3+ hollow nanofibers were prepared by calcination of the monoaxial electrospinning-derived PVP/[Y(NO3)3+Er(NO3)3] composite nanofibers, and then Y2O2S:Er3+ hollow nanofibers were synthesizedExpand
Assessment of Ammonia Volatilization Losses and Nitrogen Utilization during the Rice Growing Season in Alkaline Salt-Affected Soils
The objectives of this study were to evaluate the effects of different fertilizer types and application rates on ammonia volatilization loss and to explore nitrogen distribution and nitrogen useExpand