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| 1 | Switchgrass as a bioenergy crop in the Loess Plateau, China:Potential lignocellulosic feedstock production and environmental conservation显示文摘A large portion of the Loess Plateau of China is characterized as 'marginal' with serious land degradation and desertification problems. Consequently, two policies, Grain for Green and Western Development Action were established by the Chinese government in response to the demand for ecological protection and economic development in the Loess Plateau. These policies are designed to increase forest cover, expand farmlands, and enhance soil and water conservation, while creating sustainable vegetation restoration. Perennial grasses have gained attention as bioenergy feedstocks due to their high biomass yields, low inputs, and greater ecosystem services compared to annual crops. Moreover, perennial grasses limit nutrient runoff and reduce greenhouse gas emissions and soil losses while sequestering carbon. Additionally, perennial grasses can generate economic returns for local farmers through producing bioenergy feedstock or forage on marginal lands. Here, we suggest a United States model energy crop, switchgrass(Panicum virgatum L.) as a model crop to minimize land degradation and desertification and to generate biomass for energy on the Loess Plateau. | Danielle Cooney Hyemi Kim Lauren Quinn Moon-Sub Lee Jia Guo CHEN Shao-lin XU Bing-cheng D.K.Lee | 2017 | Journal of Integrative Agriculture2017，16，6： | 12 |
| 2 | A study on the heavy snowfalls occurred in South Korea显示文摘 | Jhun J.G D.K.Lee H.A.Lee | | 0，，： | 1 |
| 3 | Experimental Status of the HANBIT Facility显示文摘HANBIT is a magnetic mirror confinement device. Recent physics experiments have been mainly focused on identifying discharge characteristics and on getting stable plasma production and operation modes, by using a 500 kW slot antenna system at a fixed RF frequency of 3.5 MHz and varying discharge conditions such as fueling rate, RF power, and B-field intensity in central cell. Two distinct operation modes are found to be very sensitive to the RF power as well as the ratio of the RF frequency to the ion cyclotron frequency. A MHD interchange mode of m- -1 is clearly observed and the stabilizing mechanism can be explained by the sideband coupling theory. | S.J.Yoo M.Kwon J.G.Bak K.Choh I.S.Choi J.H.Choi J.W.Choi A.C.England J.Hong H.S.Jeon H.G.Jhang J.S.Ju M.Jung J.Y.Kim S.S.Kim W.H.Ko K.Y.Kwak M.C.Kyum B.J.Lee D.K.Lee J.H.Lee H.G.Lee S.G.Lee T.Lho H.K.Na B.H.Park M.K.Park D.C.Seo S.H.Seo J.H.Yeom J.S.Yoon K.I.You | 2004 | Plasma Science and Technology2004，6，4： | 1 |
| 4 | Present Status of the KSTAR Superconducting Magnet System Development显示文摘The mission of Korea Superconducting Tokamak Advanced Research (KSTAR) project is to develop an advanced steady-state superconducting tokamak for establishing a scientific and technological basis for an attractive fusion reactor. Because one of the KSTAR mission is to achieve a steady-state operation, the use of superconducting coils is an obvious choice for the magnet system. The KSTAR superconducting magnet system consists of 16 Toroidal Field (TF) coils and 14 Poloidal Field (PF) coils. Internally-cooled Cable-In-Conduit Conductors (CICC) are put into use in both the TF and PF coil systems. The TF coil system provides a field of 3.5 T at the plasma center and the PF coil system is able to provide a flux swing of 17 V-sec. The major achievement in KSTAR magnet-system development includes the development of CICC,the development of a full-size TF model coil, the development of a coil system for background magnetic-field generation , the construction of a large-scale superconducting magnet and CICC test facility. TF and PF coils are in the stage of fabrication to pave the way for the scheduled completion of KSTAR by the end of 2006. | Keeman Kim H.K.Park K.R.Park B.S.Lim S.I.Lee M.K.Kim Y.Chu W.H.Chung S.H.Baek J.Y.Cho H.Yonekawa A.Chertovskikh Y.B.Chang J.S.Kim C.S.Kim D.J.Kim N.H.Song K.P.Kim Y.J.Song I.S.Woo W.S.Han D.K.Lee Y.K.Oh K.W.Cho J.S.Park G.S.Lee H.J.Lee T.K.Ko S.J.Lee | 2004 | Plasma Science and Technology2004，6，5： | 0 |
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