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浅析加弹机假捻器与锭带的接触状态对生产粗旦丝的影响
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作者 刘宏飚 何瑛 《聚酯工业》 CAS 2002年第1期41-43,共3页
关键词 弹机捻器 锭带 接触状态 粗旦丝 聚酯纤维
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The Introduction of the Idea of the Hypothetical Magellanica Continent into China during the Seventeenth Century
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作者 FEI Jie 《Chinese Annals of History of Science and Technology》 2024年第1期35-56,共22页
The idea of the hypothetical Magellanica Continent(Terra Australis Incognita)was introduced into China by the Jesuit missionaries during the seventeenth century.While not accepted by the Chinese government,it was affi... The idea of the hypothetical Magellanica Continent(Terra Australis Incognita)was introduced into China by the Jesuit missionaries during the seventeenth century.While not accepted by the Chinese government,it was affirmed and transmitted to the public by a few Chinese scholars,including Feng Yingjing,Cheng Bai'er,Zhang Huang,Xiong Mingyu,Xiong Renlin,You Yi,Zhou Yuqi,Jie Xuan,Wang Honghan,and Ye Zipei.Most of them communicated closely with the Jesuit missionaries,and several even helped the missionaries compose the maps.The concept was updated progressively by Matteo Ricci,Giulio Aleni,Johann Adam Schall von Bell,Francesco Sambiasi,and Ferdinand Verbiest.Chinese scholars copied the missionaries'relevant maps and textual introductions without much modification.However,they paid little attention to advancements in the idea,and many of them circulated outdated knowledge.It was not until the middle-and late-nineteenth century that Chinese scholars reexamined the correctness of this hypothetical continent. 展开更多
关键词 Magellanica Continent hypothetical Jesuit missionary Matteo Ricci world map
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Application of Lactic Acid Bacteria(LAB) in Freshness Keeping of Tilapia Fillets as Sashimi 被引量:5
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作者 CAO Rong LIU Qi +2 位作者 CHEN Shengjun YANG Xianqing LI Laihao 《Journal of Ocean University of China》 SCIE CAS 2015年第4期675-680,共6页
Aquatic products are extremely perishable food commodities. Developing methods to keep the freshness of fish represents a major task of the fishery processing industry. Application of Lactic Acid Bacteria(LAB) as food... Aquatic products are extremely perishable food commodities. Developing methods to keep the freshness of fish represents a major task of the fishery processing industry. Application of Lactic Acid Bacteria(LAB) as food preservative is a novel approach. In the present study, the possibility of using lactic acid bacteria in freshness keeping of tilapia fillets as sashimi was examined. Fish fillets were dipped in Lactobacillus plantarum 1.19(obtained from China General Microbiological Culture Collection Center) suspension as LAB-treated group. Changes in K-value, APC, sensory properties and microbial flora were analyzed. Results showed that LAB treatment slowed the increase of K-value and APC in the earlier storage, and caused a smooth decrease in sensory score. Gram-negative bacteria dominated during refrigerated storage, with Pseudomonas and Aeromonas being relatively abundant. Lactobacillus plantarum 1.19 had no obvious inhibitory effect against these Gram-negatives. However, Lactobacillus plantarum 1.19 changed the composition of Gram-positive bacteria. No Micrococcus were detected and the proportion of Staphylococcus decreased in the spoiled LAB-treated samples. The period that tilapia fillets could be used as sashimi material extended from 24 h to 48 h after LAB treatment. The potential of using LAB in sashimi processing was confirmed. 展开更多
关键词 lactic acid bacteria tilapia fillets SASHIMI FRESHNESS microbial flora
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假如我是一颗小星星
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作者 吴梦洁 《小学生时空(汉)》 2004年第3期66-66,共1页
假如我是一颗小星星,我会眨着我那调皮的大眼睛,望着星空。我会看见喜鹊为牛郎织女搭桥相会,会看见许多星座所组成的美丽图案,会看见神秘莫测的大黑洞……
关键词 喜鹊 假加 新疆 星空 星座 黑洞 图案
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假如四季有颜色
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作者 陆纯怡 唐颖颖 《小朋友》 2004年第Z1期46-46,共1页
假如四季有颜色,那春天一定是绿色的,草是绿色的,树是绿色的,在春风中。在阳光下,到处可见生机勃勃的绿色。夏天是什么颜色的呢?花儿是红色的,太阳是红彤(tong)彤的,
关键词 田野 蝴蝶结 太阳 假加 江苏省 水果 果园 收获 雪花 屋顶
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假如我会飞
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作者 曹玉婷 《小学生时空(汉)》 2004年第9期66-66,共1页
听说月球上有一种植物,吃了它,能使老人返老还童,能使小孩聪明伶俐。假如我有一对大大的翅膀,我就飞到月球上。
关键词 月球 克拉玛依市 植物 老人 种植 假加 新疆
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体育可以治“心病”
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作者 马志国 《健康》 1998年第4期31-32,共2页
一些朋友很热心体育锻炼,他们往往说:身体是革命的本钱嘛……这种说法一点不错。但是却存在一定的片面性:只看到了体育锻炼的健身作用,而没有看到体育锻炼对克服心理缺陷、提高心理素质、形成健康人格的作用。 体育心理学研究表明,各项... 一些朋友很热心体育锻炼,他们往往说:身体是革命的本钱嘛……这种说法一点不错。但是却存在一定的片面性:只看到了体育锻炼的健身作用,而没有看到体育锻炼对克服心理缺陷、提高心理素质、形成健康人格的作用。 体育心理学研究表明,各项体育活动都需要良好的心理素质做基础,同时又能促进健康的心理素质的形成。人的许多心理缺陷都可以在相应的体育锻炼中得到克服。 展开更多
关键词 心病 体育锻炼 心理缺陷 体育活动 拳击 排球 促进健康 羽毛球 假加 马拉松长跑
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