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Electrorheological damper for the ultra-precision air bearing stage
ZHU Yu, JIA Songtao, CHEN Yaying, LI Guang
《机械工程前沿(英文)》 2008年 第3卷 第2期 页码 158-163 doi: 10.1007/s11465-008-0031-4
关键词: post-yield linear-motor advanced sliding pre-yield position
《农业科学与工程前沿(英文)》 2021年 第8卷 第4期 doi: 10.15302/J-FASE -2020355
Agriculture faces the dual challenges of food security and environmental sustainability. Here, we investigate current maize production at the field scale, analyze the yield gaps and impacting factors, and recommend measures for sustainably closing yield gaps. An experiment was conducted on a 3.9-ha maize seed production field in arid north-western China, managed with border and drip irrigation, respectively, in 2015 and 2016. The relative yield reached 70% in both years. However, drip irrigation saved 227 mm irrigation water during a drier growing season compared with traditional border irrigation, accounting for 44% of the maize evapotranspiration (ET). Yield variability under drip irrigation was 12.1%, lower than the 18.8% under border irrigation. Boundary line analysis indicates that a relative yield increase of 8% to 10% might be obtained by optimizing the yield-limiting factors. Plant density and soil available water content and available nitrogen were the three major factors involved. In conclusion, closing yield gaps with agricultural sustainability may be realized by optimizing agronomic, irrigation and fertilizer management, using water-saving irrigation methods and using site-specific management.
关键词: boundary line analysis irrigation method precision agriculture spatial variability yield gaps yield-limiting factors
null
《医学前沿(英文)》 2016年 第10卷 第4期 页码 437-443 doi: 10.1007/s11684-016-0472-9
A phase II study (A2202) was performed to evaluate the efficacy and safety of JAK inhibitor ruxolitinib in 63 Chinese MF patients. Ruxolitinib was given twice a day (bid) at a starting dose of 15 mg (n=25) or 20 mg (n=38) based on a baseline platelet count. About 94.7% of the patients achieved a reduction in spleen size, 27.0% of which exhibited significant reduction (≥35%) at week 24. Significant improvement in debilitating constitutional symptoms, as assessed by MFSAF v2.0, was observed in patients treated with ruxolitinib. Ruxolitinib treatment was generally well tolerated by Chinese patients. Although the treatment was associated with an increase in certain adverse events (AEs) that were established as identified risks (anemia and thrombocytopenia), these AEs were considered manageable in this clinical setting. Ruxolitinib provided substantial reductions in splenomegaly and improvements in symptoms, and was well-tolerated by Chinese patients with MF.
The effect of conservation tillage on crop yield in China
Hongwen LI,Jin HE,Huanwen GAO,Ying CHEN,Zhiqiang ZHANG
《农业科学与工程前沿(英文)》 2015年 第2卷 第2期 页码 179-185 doi: 10.15302/J-FASE-2015058
关键词: conservation tillage crop yield soil structure development strategies
Dynamic modelling and simulation of a post-combustion CO capture process for coal-fired power plants
《化学科学与工程前沿(英文)》 2022年 第16卷 第2期 页码 198-209 doi: 10.1007/s11705-021-2057-7
关键词: CO2 capture post-combustion capture simulation dominant factor
Breeding strategies for increasing yield potential in super hybrid rice
Shihua CHENG,Xiaodeng ZHAN,Liyong CAO
《农业科学与工程前沿(英文)》 2015年 第2卷 第4期 页码 277-282 doi: 10.15302/J-FASE-2015081
Highlight yield forming and innovative technologies in tropical crops
Wenquan WANG
《农业科学与工程前沿(英文)》 2016年 第3卷 第4期 页码 283-284 doi: 10.15302/J-FASE-2016128
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《医学前沿(英文)》 2013年 第7卷 第3期 页码 301-305 doi: 10.1007/s11684-013-0283-1
Systemic inflammatory response following myocardial ischemia-reperfusion injury (IRI) to a specific organ may cause injuries. Ischemic post-conditioning (IPostC) has emerged as a promising method for myocardial protection against IRI both in experimental and in clinical settings. Enhancement of endogenous nitric oxide (NO) is one of the major mechanisms by which IPostC confers cardioprotection. However, the sensitivity of the diabetic heart to IPostC is impaired and the underlying mechanism is unknown. Adiponectin (APN) is an adipocyte-derived plasma protein with anti-diabetic and anti-inflammatory properties. Plasma levels of APN are decreased in obese subjects and in patients with type 2 diabetes. APN supplementation has been shown to increase NO production and attenuate myocardial IRI in normal (non-diabetic) animals. However, the effect of APN on myocardial injury in diabetic subjects, especially its potential in restoring the sensitivity of the diabetic heart to IPostC has not been investigated. In the current paper, we discussed the possible reasons why the myocardium of diabetic subjects loses sensitivity to IPostC and also highlighted the potential effectiveness and mechanism of APN in restoring IPostC cardioprotection in diabetes. This review proposes to conduct studies that may facilitate the development of novel and optimal therapies to enhance cardioprotection in patients with severe diseases such as diabetes.
关键词: adiponectin ischemic post-conditioning ischemia reperfusion injury diabetes
《工程管理前沿(英文)》 页码 82-95 doi: 10.1007/s42524-022-0233-1
关键词: pharmaceutical supply chain Internet of Things blockchain resilience post-pandemic era
Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections
Hassan ABEDI SARVESTANI
《结构与土木工程前沿(英文)》 2019年 第13卷 第5期 页码 1020-1035 doi: 10.1007/s11709-019-0534-6
关键词: finite element analysis hexagonal castellated beam parametric study post-tensioned self-centering steel connection steel moment-resisting frame
Special issue: Advancing supply chain resilience for excellence in the post-pandemic era
《工程管理前沿(英文)》 2023年 第10卷 第1期 页码 1-4 doi: 10.1007/s42524-022-0246-9
Integrated adsorption and absorption process for post-combustion CO
Gongkui Xiao, Penny Xiao, Andrew Hoadley, Paul Webley
《化学科学与工程前沿(英文)》 2021年 第15卷 第3期 页码 483-492 doi: 10.1007/s11705-020-1964-3
关键词: vacuum swing adsorption monoethanolamine post-combustion CO2 capture integrated process
Interactions between remote ischemic conditioning and post-stroke sleep regulation
《医学前沿(英文)》 2021年 第15卷 第6期 页码 867-876 doi: 10.1007/s11684-021-0887-9
YIELD AND FRUIT QUALITY OF ALMOND, PEACH AND PLUM UNDER REGULATED DEFICIT IRRIGATION
《农业科学与工程前沿(英文)》 2021年 第8卷 第4期 页码 583-593 doi: 10.15302/J-FASE -2020325
The effects of regulated deficit irrigation (RDI) on the performance of almond cv. Tuono, peach cv. JH-Hall and plum cv. Stanley were assessed on the Saiss Plain (NW, Morocco) over three consecutive growing seasons (2011–2013). Irrigation treatments consisted of a control, irrigation applied to fully satisfy crop water requirements (100% ETC), and two RDI treatments, irrigation applied to 75% ETC (RDI-75) and 50% ETC (RDI-50). These three treatments were applied during fruit-growth slowdown periods corresponding to Stages II and III in almond and Stage II in peach and plum. Yield and fruit quality traits were determined. The effect of RDI differed between species. Yield and fruit size were reduced significantly only in peach under RDI-50. Fruit quality improved in this species in the first year of the experiment, with an increase of sugar/acid ratio and polyphenol content. Plum quality also improved but the effects were significant only in the second and third years. Similar results were recorded in almond kernel, but their epidermal grooves were deeper under RDI-50, and this may have affected their commercial value. It is concluded that water can be saved during the fruit-growth slowdown period by up to 25% in peach and 50% in almond and plum with improvements in fruit quality without affecting total yield.
Estimating the effect of urease inhibitor on rice yield based on NDVI at key growth stages
Kailou LIU,Yazhen LI,Huiwen HU
《农业科学与工程前沿(英文)》 2014年 第1卷 第2期 页码 150-157 doi: 10.15302/J-FASE-2014028
关键词: normalized difference vegetation index (NDVI) N-(n-butyl) thiophosphoric triamide (NBPT) rice grain yield
标题 作者 时间 类型 操作
Electrorheological damper for the ultra-precision air bearing stage
ZHU Yu, JIA Songtao, CHEN Yaying, LI Guang
期刊论文
PLANT DENSITY, IRRIGATION AND NITROGEN MANAGEMENT: THREE MAJOR PRACTICES IN CLOSING YIELD GAPS FOR AGRICULTURAL
期刊论文
Efficacy and safety of JAK inhibitor INC424 in patients with primary and post-polycythemia vera or post-essential
null
期刊论文
The effect of conservation tillage on crop yield in China
Hongwen LI,Jin HE,Huanwen GAO,Ying CHEN,Zhiqiang ZHANG
期刊论文
Dynamic modelling and simulation of a post-combustion CO capture process for coal-fired power plants
期刊论文
Breeding strategies for increasing yield potential in super hybrid rice
Shihua CHENG,Xiaodeng ZHAN,Liyong CAO
期刊论文
Adiponectin: mechanisms and new therapeutic approaches for restoring diabetic heart sensitivity to ischemic post-conditioning
null
期刊论文
Internet of Things (IoT)–blockchain-enabled pharmaceutical supply chain resilience in the post-pandemic
期刊论文
Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections
Hassan ABEDI SARVESTANI
期刊论文
Integrated adsorption and absorption process for post-combustion CO
Gongkui Xiao, Penny Xiao, Andrew Hoadley, Paul Webley
期刊论文