Results 1 to 10 of about 27,704 (99)

Determination of 9 Organotins in Food Contact Materials(食品接触材料中9种有机锡的检测) [PDF]

open access: yesShipin kexue jishu xuebao, 2021
An analytical method for simultaneous determination of organotins in food contact materials with different uses by gas chromatography-mass spectrometry was established.
QIAN Chong(钱冲)   +6 more
doaj   +1 more source

Safety Issues during Tea-processing in China and their Countermeasures(我国茶叶加工过程的质量安全问题及对策) [PDF]

open access: yesShipin kexue jishu xuebao, 2014
This paper described the management mode and the status of tea quality and safety in China and introduced the tea quality control experience in India, Japan, Europe, and the United States.
LIU Xin(刘 新)   +6 more
doaj   +1 more source

Safety Issues in Tea Deep-processing Products in China and their Countermeasures(我国茶叶深加工产品的安全问题及对策) [PDF]

open access: yesShipin kexue jishu xuebao, 2014
This paper introduced the current situation of Chinese tea deep-processing industry and analyzed the food safety issues in the production of major tea deep-processing products from the aspects of raw materials, processing, and related regulations and ...
YIN Jun-feng(尹军峰)   +3 more
doaj   +1 more source

Tea Safety Issues in Field Production in China and their Countermeasures(我国茶叶在种植环节的质量安全问题及对策) [PDF]

open access: yesShipin kexue jishu xuebao, 2014
This paper outlined the kinds of tea quality issues during tea production in fields and their affecting factors and explored some of the control measures.
HAN Wen-yan(韩文炎)   +2 more
doaj   +1 more source

Effect of Aflatoxin B1 Removal by Ultra High Pressure-Assisted Enzyme Treatment on Quality of Rice Bran Polypeptides(超高压辅助酶法脱除黄曲霉毒素B1工艺对米糠多肽品质的影响) [PDF]

open access: yesShipin kexue jishu xuebao, 2019
Based on the optimized process for aflatoxin B1(AFB1)removal through the ultra high pressure-assisted enzyme treatment, the quality of rice bran polypeptides has been evaluated.
LIN Yiyun(林奕云)   +5 more
doaj   +1 more source

Effects of Human Gut Microflora on Stability of Wine Anthocyanins in vitro(体外模拟人肠道微生物对葡萄酒花色苷稳定性的影响) [PDF]

open access: yesShipin kexue jishu xuebao, 2020
The influence of intestinal microflora on the stability of wine anthocyanins and the relationship between anthocyanin structure and stability were analyzed, which is helpful for understanding the digestion and absorption of anthocyanins and improving ...
LIU Yangjie(刘杨洁)   +4 more
doaj   +1 more source

Establishment of Caco-2 Cell Model for Transporting Glucoside Compounds(转运葡萄糖苷类化合物的Caco-2细胞模型建立) [PDF]

open access: yesShipin kexue jishu xuebao, 2021
Caco-2 cell model for the transport of glucoside compounds was established to provide the basis for studying intestinal absorption of glucose and glucoside compounds.
LIN Jiali(林佳丽)   +2 more
doaj   +1 more source

基于改进CNN-BiLSTM模型和地磁监测数据的多时间长度GIC预测

open access: yesKongjian kexue xuebao
太阳风暴在电力系统网络中驱动产生的GIC会影响电力设备和系统的安全运行, 严重时还会引发大面积停电事件. 预测电网GIC水平能够为电力系统保护措施提供重要参考, 然而对这方面的研究仍显不足. 为了解决该问题, 将卷积神经网络(CNN)与双向长短时记忆(BiLSTM)以及注意力机制相结合, 利用空间天气的相关监测信息, 提出了大规模电网GIC多时间长度的预测方法.
蓝 东亮   +6 more
doaj   +1 more source

用于晶闸管换流阀故障电流试验恢复电压施加的试验回路研究

open access: yesGaoya dianqi, 2022
故障电流试验是晶闸管换流阀运行型式试验中重要的试验项目之一,国内外对故障电流施加方式的研究已较为深入,但对电流过零后如何立即施加恢复电压的试验方案则研究较少。通过研究国内外故障电流试验回路的发展现状,文中提出了一种采用工频电压发生器施加恢复电压的试验回路,介绍了其施加预期恢复电压的试验方法,计算确定了试验回路设备的参数,最后通过仿真验证了单波次和多波次故障电流试验中恢复电压施加方案的可行性。文中的研究成果已成功应用于某公司自主建设的晶闸管换流阀故障电流试验系统,并开展了晶闸管换流阀组件的故障电流试验 ...
王杰峰, 任军辉, 张树楠, 曹洋
doaj  

550 kV GIS断路器用绝缘拉杆孔隙性试验研究

open access: yesGaoya dianqi, 2021
文中对进行过不同试验的550 kV GIS断路器用绝缘拉杆进行了孔隙性试验,研究不同试验结果对绝缘拉杆材料内部致密性的影响.根据试验研究结果,文中提出对每批产品应增加抽样试验项目—孔隙性试验,进一步排除不合格品,提高产品整体性能。
王昊   +6 more
doaj  

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