如果面料的白度足够且能用以染色和印花的话,一般就不再需要洗涤和漂白了。
Scouring is not required and bleaching is usually also unnecessary since the whiteness is usually sufficient for dyeing and printing.
如果您使用漂白,在5%稀释度的漂白水中浸泡10分钟,然后彻底地漂洗至少六次。
If you use bleach, soak your items for 10 minutes in a 5% bleach dilution, and then rinse at least six times thoroughly.
漂白后进行酸化是有必要的,但会带来白度的降低,而化机浆则出现相反的情况。
Acidifying after bleaching is necessary but can result in the brightness decrease of the pulp, however it is not the case for APMP.
结果表明,在经优化的实验条件下,保险粉漂白该浆种效果良好,可提高白度7%以上。
The results showed that sodium dithionite was effective in bleaching this kind of pulp and 7 points of ISO brightness gain were achieved under the optimum conditions.
其中一个参数是通过第一次漂白获得的地色白度,另一个参数是通过应用荧光增白剂获得的荧光白度工艺。
One of these parameters is ground whiteness which is obtained by first bleaching and another is optical whiteness process by optical brightening agent application.
消费者在使用和维护纺织品时,可以通过漂白使织物保持一定的白度和光泽。
Finished products are bleached by the consumer to maintain the whiteness or brightness of items during use and care.
在此最佳工艺条件下,经漂白后橡实淀粉的白度均超过标准玉米淀粉的白度。
On these conditions, the whiteness values of bleached acorn starch are better than that of corn starch.
过氧化氢在没有大量减少纸浆产量情况下,具有消除发色基团的良好选择性,所以它在高白度机械浆的生产中是主要的漂白化学品。
Hydrogen peroxide decreases the pulp yield slightly and has the good selectivity to eliminate the chromophores. So it's an important bleaching agent in the high-brightness Mechanical pulp production.
研究牛奶蛋白纤维经过亚铁盐预处理和助洗剂清洗后,在不同的漂白条件下,对纤维白度的影响。
The effect of different process conditions of hydrogen peroxide bleaching of milk casein fibre on the whiteness of the product is studied, and the optimal bleaching process is determined.
并根据白度和碱溶解度的关系,在纤维损伤允许的范围内,得出漂白的最佳工艺条件。
Based on the relationship between whiteness and alkali solubility, the optimal bleaching conditions within the allowable limits of fibre damage are established.
本文研究了脱墨浆(DIP)、漂白化学预热机械浆(BCTMP)与硫酸盐浆(KP)在不同打浆度下配抄新闻纸的状况。
In this paper, deinked pulp (DIP) and bleached chemi thermomechanical pulp (BCTMP) with kraft pulp (KP) used to make newsprint at different beating degrees are researched.
采用补偿卡伯因子、补偿白度控制原理,进行自动化操作控制稳定生产过程,使漂白浆质量稳定、消耗达到最低。
By using automation controlling of compensated Kappa factor principle and compensated brightness principle, the bleaching pulp can get high quality and the lowest consumption.
采用纯漂工艺漂白的布匹,产品质量全面达到并超出了现有国家标准,不仅白度高,而且强力也高。
The cloth bleached by that means is not only high in whiteness but also high in strength, and therefore its whole quality has paralleled or even beyond the existing national quality standard.
漂白杨木浆白度稳定性比漂白麦草浆要好,且漂白杨木-麦草混合浆(各50%)的白度稳定性也远优于漂白麦草浆。
Bright stability of bleached popular pulp was better than that of bleached wheat straw pulp. So was the blend of bleached popular and wheat straw pulp (50:50).
如何合理使用无氯漂剂,是实现高效率、高白度漂白的关键。
It is the key to product high brightness pulp in efficiency that using suitable bleaching agents.
用纤维素酶和半纤维素酶处理漂白麦草浆可明显改善纸浆的性能,如滤水性、脆性、强度和白度等。
To treat bleached wheat straw pulp with cellulase and hemicellulase can remarkably improve such characteristics of the pulp as drainage, fragility, physical strength and brightness.
结果表明,在相同的H2O2漂白条件下,采用木聚糖酶处理后的浆料白度提高,高锰酸钾值有所下降。
The result obtained shows that in the same condition of H2O2 bleaching the whiteness of the pulp is raised and K Value of the pulp is reduced after pretreament with xylanases.
若在H_2O_2漂白时用氧加压,即采用压力过氧化氢漂白,有利漂终白度的提高,且粘度下降不大。
It was beneficial for the improvement of final brightness if pressurized H_2O_2 bleaching was applied, but the viscosity decreased slightly.
本文对红麻化学机械浆漂后洗涤时,水中的过渡金属高子对漂白浆白度和色度的影响进行了研究。
The effect of transition metals present in wash water on the brightness and chromaticity of bleached kenaf TMP was studied.
测定了漂白后各污布的白度值。
GIF仿酶预处理能有效改进漂白效果,提高纸浆白度。
GIF biomimetic pretreatment can improve bleaching efficiency.
纤维素酶能够明显改善漂白麦草浆滤水性能,其作用机理和一般化学助剂不同,酶处理后的浆料有较好的抄造性能、纸张有较好的匀度。
Cellulase can apparently improve the drainage of bleached wheat pulp, the mechanism of this action is different from that of conventional chemical agent.
“热”二氧化氯漂白使得短程漂白成为可能,并降低了白度的返黄。
"Hot" chlorine dioxide bleaching has made the bleaching with few stages possible, with full brightness and low brightness reversion.
探讨了大豆蛋白纤维针织物双氧水漂白工艺对织物白度、强力的影响,通过正交试验法选出最佳漂白工艺条件。
The effect of hydrogen peroxide bleaching on the whiteness and strength of soybean fibre knitted fabricsis studied.
传统的漂白方法不能使天然有色蛋白质纤维得到令人满意的白度,对纤维又有很大的损伤。
Crude protein fiber can hardly get an appropriate whiteness by traditional bleaching method, with which the fiber will serious damage.
对天然沸石的酸处理漂白和加络合剂酸处理漂白进行了试验研究,并对影响白度的因素进行了理论分析。
Experiments of bleaching to natural zeolite employing acid treatment or acid treatment adding complex were carried out. The factors influencing zeolite whiteness are analyzed theoretically.
用去污防水剂、生物皂粉,于30度进行持续30分钟的50个清洗周期,不漂白,清洗强度中等。
Water repellent, soil release with stand 50 circle at Wash cycle30 minutes at 30dgrees with standard biological soap powder without bleach and medium wash strength.
研究表明,这类助剂中以2,4,6-三叔丁基苯酚和防老剂D效果较好,漂白损失降低、白度提高、浆强度增加。
The results showed that among the additive used. Both 2,4,6 terbutyl phenol and antiager D have the better effects:bleaching loss diminished, whiteness improved and strength increased.
结果表明:硼氢化钠处理杨木漂白化机浆不但能够显著改善其白度稳定性而且对纸浆具有漂白作用。
The results show that poplar APMP pulp treated by sodium borohydride could be brightened and stabilized significantly.
光学漂白剂:混入造纸浆料内,增加光白纸张的白度的化学剂;它的作用是使紫外光转为可见光。
Ooptical bleaching agent: a chemical which is used in the furnish of bright-white papers to enhance their brightness, and which does so by converting ultra-violet light into visible light.
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