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- Keywords quaternary ammonium CPAM;drainability;filler retention rate; 季铵型CPAM;滤水性;填料留着率;
- filler retention rate 留着率
- The modification of GCC with the cationic surface modifier is studied. It applied to papermaking. The modified GCC significantly improves the filler - retention rate of paper and paper strength. 对阳离子改性重钙填料进行了研究,并应用于造纸体系,改性重钙大大提高了纸张的填料留着率及纸张强度。
- In this paper, the characteristics of DCS from different HYP with different brightness and their impacts on filler retention were studied. 研究了不同白度高得率浆中溶解和胶体物质(DCS)的性质及其对填料留着的影响,并通过使用阴离子垃圾捕集剂来消除DCS的负面影响。
- Anionic starch and chitosan are used as dual additives in this paper.The dual additives canimprove paper strength and filler retention effectively. 本文用阴离子淀粉与壳聚糖作为双助剂共用,对提高纸张的物理强度和填料留着率进行了研究。
- The cationic chitosan prepared had a good retention effect and the filler retention increased by 33.0% when the HTTC dosage was 0.05%. 制得的阳离子壳聚糖对阔叶木浆有良好的助留效果;当用量为0.;05%25时;填料留着率提高了33
- Filler retention and drainability of wheat shaw pulp could be improved remarkably when PAC and PDADMAC were added as ATC before the addition of CPAM. 用PAC和PDADMAC作为阴离子捕捉剂可显著改善麦草浆的滤水性,提高其留着率。
- Retention rate; grade ratio [education] Percentage of students that pass from one grade to next grade. 留校率;升级率[教育]在校学生由一个年级升到上一年级的百分比。
- Among 170 subjects,the retention rate on NTX at the 6th month period was 27.7%, drug abstinence rate was 43.5%. ·· :170例受试者6个月纳曲酮治疗保持率为27.;1%25 (46例 );戒断操守率为43
- Better filler retention in DIP was realized when the cationic guar gum was used as retention aids, the filler retention increased by 40.92% when the CGG (DS=0.30) dosage was 0.05%. 研究结果表明;半干法制备的阳离子瓜尔胶对废纸脱墨浆有良好的助留效果;当其用量为0.;05%25时;填料留着率提高了40
- Grade ratio; retention rate [education] Ratio between enrolment in a given grade and enrolment in the previous grade the previous school year. 升级比率[教育]指一个年级的入学学生与上一个年级上一个学年的入学学生的比率。
- The results show that the quaternary ammonium CPAM can remarkably improve the wheat straw pulp drainability and filler retention,and that when CPAM is used together with PAC,PDADMAC or b. 研究发现,季铵型CPAM可显著提高麦草浆的滤水性和填料留着率,CPAM与PAC、PDADMAC和膨润土配合使用可进一步改善麦草浆的滤水和留着。
- Look for the opportunity to penetrate more DHL business into customer supply chain, and increase the customer retention rate. 不断寻找机会,加强业务渗透率的提高,促进客户保有率的提升。
- The microparticle system consisting of bentonite could not only raise filler retention and drainability of wheat shaw pulp but also improve formation,no obvious change in breaking strength was found. CPAM和膨润土组成微粒系统可提高麦草浆的滤水性和留着率,并且对强度影响不大。
- However, the retention rate in no glosses condition is the highest, and that in Chinese multiple-choice glosses condition is the second highest. 但是,无注释条件下习得的词汇延时记忆率最高,其次是汉语多项注释条件下习得的词汇延时记忆率最高。
- This paper reports the effect, retention rate and cost-effectiveness of pit and fissure sealant in the prevention of caries. 本文介绍窝沟封闭防龋效果、封闭剂保留率和窝沟封闭剂的成本-效果分析。
- The retention rate of the ECs overlaid onto the constructs was evaluated with percentage (%) to identify the recellularization level. 瓣膜被内皮细胞覆盖的面积用百分数表示,以确定其再内皮化率。
- Retention rate and expansion rate and viscosity of IDF (70%) were increased to 18%, 54% and 116% respectively after soaked in water, and expansion rate and viscosity of IDF (90%) were increased to 94%, 41%, but retention rate of it was decreased to 16%. 在所试验的条件中,低温浸泡后超微粉碎可使IDF(70%25)的持水率、膨胀率和黏度上升18%25、54%25和116%25; 可使IDF(90%25)的膨胀率和黏度上升94%25和41%25,但持水率下降16%25。
- Methods EST and CST were applied contralateral first permanent molars of 84 children respectively to compare sealant retention rate of enameloplasty sealant technique with conventional sealant technique. 方法 在 84名儿童的第一磨牙上采用半口对照法比较窝沟釉质成形术和普通封闭术封闭剂的保存率。