1) PVA content
PVA含量
1.
The determination of PVA content in desizing wastewater by spectrophotometry is described in this paper.
退浆废水中的聚乙烯醇(PVA)很难降解,直接排放会对环境造成污染,因而必须对废水进行处理,使其中的PVA含量明显降低,达到排放标准,为此有必要建立PVA浓度的测定方法。
2) PVA-containing desizing wastewater
含PVA退浆废水
1.
The combined process of hydrolytic acidification and SMBR was used to treat PVA-containing desizing wastewater.
采用水解酸化/SMBR工艺处理含PVA退浆废水。
3) PVA printing & dyeing wastewater
含PVA的印染废水
1.
PVA printing & dyeing wastewater treatment by biological process after eletrocoagulation was studied.
以含PVA的印染废水为处理对象,用管式电凝聚器对其先进行预处理,再经生物曝气、生物接触氧化处理。
4) 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。
5) 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。
6) concentration
[英][,kɔnsn'treɪʃn] [美]['kɑnsṇ'treʃən]
含量
1.
Detection the Concentration in Apple Juice by Ultraviolet-visible Spectroscopy and Multiple Linear Regression Methods;
多元校正紫外光谱法测定苹果汁含量研究
2.
Concentrations and XAFS speciation in situ of mercury in hair from populations in Wanshan mercury mine area, Guizhon Province;
贵州万山汞矿地区人发中汞的含量及其赋存状态的XAFS原位研究
3.
The concentration and chemical speciation of Pb in Nanjing urban soils;
南京城市土壤Pb的含量及其化学形态
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