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1)  inner-grained aprons
内花纹
1.
By contrast of the different aprons regarding the durability and the spinning quality,the paper concludes itself with the idea that the inner-grained aprons is advantageous in spin ability and long life as well as stable quality within the batch product and marked spinning quality.
通过几种不同胶圈在耐用性和纺纱质量方面进行生产对比试验 ,结果表明内花纹胶圈适纺性强 ,使用周期长 ,批次间质量稳定 ,成纱质量明显提高 ,而且利于降低工人劳动强度。
2)  Inside and Outside Pattern Apron
内外花纹胶圈
1.
Development and Application of NFR F Series Inside and Outside Pattern Apron;
NFR-F系列内外花纹胶圈的研制与应用
2.
Preliminary Analyses of Drafting Principle on Labyrinth Inside and Outside Pattern Apron;
迷宫形内外花纹胶圈牵伸机理的初步分析
3)  tread patterns
花纹
1.
Coupling effect of tread patterns and pavement texture on tire noise;
轮胎花纹与路面纹理耦合对轮胎噪声的影响
2.
3D mathematical model of longintudinal tread patterns;
轮胎纵向花纹三维数学模型的建立及应用
3.
The noise-generating mechanism and measurement of tire noise were introduced,and the effect of tread patterns on noise of PCR tire were investigated.
介绍轮胎噪声的产生机理和测试方法,并探讨轿车子午线轮胎花纹对噪声的影响。
4)  pattern [英]['pætn]  [美]['pætɚn]
花纹
1.
Research on the changing of knitting patterns with colored yarns;
花式纱针织物花纹变化的研究
2.
After seeing the function of graph symbol in processing and constructing pattern symbol database,using the Computer Assistant Design(CAD)and MapGIS,this paper designs reaches to the realization of the all-purpose land pattern symbol database,and researches the arithmetic of the special patterns of swampland.
在了解GIS图形符号处理和花纹符号建库功能之后,利用计算机辅助设计技术和MapGIS软件平台具体实现在本专业工作中可实际应用的通用土地花纹符号库,并研究沼泽地特殊花纹的填充算法。
5)  shog pattern
波纹花纹
6)  embossed pattern
凸纹花纹
补充资料:-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃

中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯

英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton

性质描述: 无色至微黄色液体。凝固点-31℃,沸点205-206.5℃,83-84℃(1.73kPa),相对密度(25/25℃)1.0578,折光率(nD25)1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。

生产方法: 由不饱和羧酸通过闭环反应来合成,例如乙酰乙酸与硫酸共热,或乙酰丙酸在镍、铜等催化剂存在下加氢。

用途: γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条