Results 11 to 20 of about 806,638 (215)
Shuitu Baochi Xuebao, 2007 以黄土高原沟壑区的苹果园为研究对象,对6～36 a苹果园土壤重金属含量状况进行研究,结果发现,该区苹果园的高投入种植管理模式,能够影响重金属在土壤中的迁移与富集,使土壤重金属含量发生明显变化.土壤Cu含量随树龄增加而增加,20 a以上的土壤-果树系统对土壤Cu的输入与输出趋于平衡,Cu含量变化不大,且耕层土壤Cu含量较高.Cr含量随树龄线性递增,36 a果园0～20 cm,20～40 cm和40～60 cm 土层Cr含量分别比6 a果园增加27.14%,17.09%和19.17 ...
李丽霞 +4 more
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Human Brain Mapping, Volume 41, Issue 13, Page 3720-3736, September 2020., 2020 The current study tested how self‐language production and other‐language comprehension interact within a language switching context. We found that other language behaviors affect our own language production via a series of attentional control areas, namely, the left dorsolateral prefrontal cortex, anterior cingulate cortex, and left precuneus, but ...
Huanhuan Liu +4 more
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Effect of Pre-Harvest Exogenous Phytohormone and Post-Harvest 1-MCP Treatment on Storage Quality of Sugar-Core Apples(采前外源植物激素与采后1-MCP处理对糖心苹果贮藏品质的影响) [PDF]
Shipin kexue jishu xuebao, 2021 In order to solve the problem of rapid deterioration of sugar core quality in sugar-core apples and improve the storage quality of fruits after harvest, sugar-core apples in Aksu was used as the material to investigate the effects of combined treatment ...
DU Meijun(杜美军) +7 more
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Multilingual English users’ linguistic innovation
World Englishes, Volume 39, Issue 2, Page 236-248, June 2020., 2020 Abstract Can ‘non‐native’ speakers of English innovate in English? This seemly simple question bothers sociolinguists and sociolinguistic research because we feel uncertain whether the ‘inventive’ productions by ‘non‐native’ speakers should be treated as evidence of creativity or mistakes.
Li Wei
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Inactivation Kinetics of Polyphenol Oxidase of Fresh-cut Apple by Ultrasonic Treatment(超声处理钝化鲜切苹果多酚氧化酶动力学研究) [PDF]
Shipin kexue jishu xuebao, 2015 The effects of ultrasonic treatment on inactivation of polyphenol oxidase (PPO) activity of fresh-cut apple were investigated, and inactivation kinetics of PPO was analyzed by using a first-order reaction kinetic under the following experimental ...
YANG Mingguan(杨明冠) +2 more
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Effect of Aging Time on Volatile Aroma Compounds of Apple Brandy(不同陈酿时间苹果白兰地主要香气成分变化分析) [PDF]
Shipin kexue jishu xuebao, 2019 The volatile aroma compounds of apple brandy with different aging time in oak barrel were determined by liquid-liquid extraction and gas chromatography-mass spectrometry and analyzed by cluster analysis methods.
ZENG Chaozhen(曾朝珍) +5 more
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苹果绿色生产发展、提高苹果品质的大趋势下,使用传统化学农药防控病虫害的方法 日益显现,残留农药危害、抗药性病虫害、果园生态紊乱等诸多弊端和问题,给苹果 产业持续、健康地发展带来了严重的障碍和制约。论文结合苹果种植过程中田间实 际总结了苹果腐烂病、苹果轮纹病、苹果蚜虫病、红蜘蛛以及食心虫等常发苹果病 虫害的发病或发生特点。针对以上问题分别提出了提升完善绿色防控措施体系内容 ,加强和规范防控技术和管理运用,加大推广宣传防控知识力度,优化和补充相关管理 措施等方面的具体对策和意见 ...
利洪 肖
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Effect of Different Distillation Methods on Volatile Flavor Substances and Metal Elements in Guoguang Apple Brandy(不同蒸馏方式对国光苹果白兰地挥发性风味物质及金属元素的影响) [PDF]
Shipin kexue jishu xuebaoTo investigate the effect of different distillation methods on the brandy made from Guoguang apples, triple-pot distillation and column distillation were used to distill apple ciders.
WANG Xia(王霞) +7 more
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The Aroma Components Analysis for Apple Juice of Cold-extracting Fruit(榨前分离苹果清汁中香气成分分析) [PDF]
Shipin kexue jishu xuebao, 2013 The aroma components in juice of cold- extracting fruit were determined by the method of solid-phase microxtraction coupled with gas chromatography-mass spectrometry (GC-MS).
DENG Hong(邓 红) +5 more
doaj +1 more source
A Study of Online Review Promptness in a B2C System
Discrete Dynamics in Nature and Society, Volume 2016, Issue 1, 2016., 2016 Web 2.0 technologies have attracted an increasing number of active online writers and viewers. A deeper understanding of when customers will review and what motivates them to write online reviews is of both theoretical and practical significance. In this paper, we present a novel methodological framework, which consists of theoretical modeling and text‐
Junqiang Zhang +3 more
wiley +1 more source