1) PVA grinding wheel
PVA砂轮
2) polyvinyl alcohol
PVA
1.
Experimental research on tension property of polyvinyl alcohol fiber reinforced cementitious composites;
PVA纤维增强水泥基复合材料拉伸特性试验研究
2.
The structure, hydrophilicity of high density polyethylene (HDPE) functionalized by ultraviolet irradiation at different environmental temperature in air, and compatibilization of the functionalized HDPE in HDPE/polyvinyl alcohol (PVA) blends were studied through FT-IR, gel analysis, water contact angle and mechanical properties measurements.
通过FT-IR、凝胶分析、水接触角和力学性能测定,研究了空气中不同环境温度下紫外辐照官能化HDPE的结构变化、亲水性和紫外辐照官能化HDPE对HDPE/PVA共混体系的增容作用。
3.
A bench scale catalytic distillation (CD) apparatus was established, which was used to study the performance of CD in hydrolyzing methyl acetate ( MeOAc) in polyvinyl alcohol (PVA) production.
建立了一套催化精馏的小试装置 ,对催化精馏工艺在聚乙烯醇 (PVA)生产中取代固定床工艺水解醋酸甲酯(MeOAc)进行了实验研究。
3) poly(vinyl alcohol)
PVA
1.
Synthesis and characterization of sulfated anionic poly(vinyl alcohol) polyelectrolyte;
硫酸酯化聚阴离子PVA的合成及表征
2.
They were uniformly dispersed in a solution of poly(vinyl alcohol)(PVA) in water.
用 Stober法制备纳米级分散的 Si O2 颗粒 ,使其均匀地分散在 PVA水溶液中 ,并通过相转化法制得纳米 Si O2 / PVA复合超滤膜。
4) grinding wheel
砂轮
1.
A summary of railway track rectification and grinding wheel for track grinding;
铁路钢轨的修磨及修磨用砂轮
2.
JS1100 automatic controlled rotation test machine for grinding wheel;
JS1100大型自动控制砂轮回转试验机
3.
Application of grinding wheel construction voucher of intelligence type;
智能型砂轮施工单的应用
5) abrasive wheel
砂轮
1.
Improvement and application of abrasive wheel adjuster;
砂轮修整器的改进及应用
2.
The paper enumerates the section calculation formula of sprocket hob grinding abrasive wheel and its calculation process.
列出了链轮滚刀铲磨砂轮截形的计算公式和计算过程,满足了加工出链轮齿形的规定要求。
6) wheel
[英][wi:l] [美][wil]
砂轮
1.
For influence of the interaction of vibration of wheel and workpiece on a ripple on the workpiece surface, this system adopts single-plane balance correction for the principal axises of wheel and workpiece synchronouslly,and it analyzes integrally the balance condition of whole system and the surface error of workpiece by processing the vibration data of wheel and worpiece together.
提出一个智能型双轴动平衡监控系统,针对高精度加工中工件和工具的振动会相互作用而影响加工效果,该系统同时对砂轮主轴和工件主轴进行平衡,集中处理工具和工件的振动数据,综合分析整个加工系统的平衡效果及工件的表面误差情况,从而达到减少工件加工误差,降低设备磨损,提高磨削加工精度的目的。
2.
Analysed the influence of the abrasive wheel microvibration to the workpiece surface quality on ultra-precision grinding process, and established a mathematical model describing how vibration led to the error of workpiece surface profile.
分析超精密磨削加工中砂轮微小振动对工件表面质量的影响,建立磨削中振动引起工件表面轮廓误差的数学模型,设计相应的超精密磨削加工微振动试验系统,用以模拟磨削过程中砂轮径向、横向的微小振动和摆动。
3.
As the material of grinding wheel dresser, the dressing Performance of PCD is near to that of a single crystal diamond, but itS price is relatively lower.
作为砂轮修整器的材料，PCD在性能上接近单晶金刚石，而在价格上却相对便宜得多。
补充资料：PVA fiber
分子式：
CAS号：
性质：合成纤维的一种，指由以聚乙烯醇为原料制得的纤维，通常是指不具水溶性的聚乙烯醇缩甲醛纤维(formalized polyvinyl alcohol fiber)；从广义上讲，也包括水溶性聚乙烯醇纤维和用硫酸钛溶液替代缩甲醛化作整理剂的非缩醛型聚乙烯醇纤维等。经过缩醛化处理的纤维在中国称维纶；日本称维尼纶；纤维能耐酸、耐碱、耐霉变、耐日晒；相对密度1.26～1.30，公定吸湿率5％，常规聚乙烯醇纤维的干态强度4.0～5.3cN/dtex，伸长率12％～25％，干湿态强度比72％～85％。产品主要为短纤维；主要用以制作仓储用苫布，帆布，橡胶输送带及力车轮胎用帘子布、绳缆、渔网、包装材料等。
CAS号：
性质：合成纤维的一种，指由以聚乙烯醇为原料制得的纤维，通常是指不具水溶性的聚乙烯醇缩甲醛纤维(formalized polyvinyl alcohol fiber)；从广义上讲，也包括水溶性聚乙烯醇纤维和用硫酸钛溶液替代缩甲醛化作整理剂的非缩醛型聚乙烯醇纤维等。经过缩醛化处理的纤维在中国称维纶；日本称维尼纶；纤维能耐酸、耐碱、耐霉变、耐日晒；相对密度1.26～1.30，公定吸湿率5％，常规聚乙烯醇纤维的干态强度4.0～5.3cN/dtex，伸长率12％～25％，干湿态强度比72％～85％。产品主要为短纤维；主要用以制作仓储用苫布，帆布，橡胶输送带及力车轮胎用帘子布、绳缆、渔网、包装材料等。
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参考词条