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漂白性能
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  bleaching properties
     Peroxide bleaching properties of CTMP from Acacia mangium
     马占相思CTMP过氧化氢漂白性能研究
短句来源
     RELATIONSHIP BETWEEN MOLECULAR STRUCTURE AND BLEACHING PROPERTIES OF OIL SOLUBLE DYES FOR SILVER-DYE-BLEACH PHOTOGRAPHY
     油溶性银漂染料的分子结构与漂白性能的关系
短句来源
     Ⅶ. BLEACHING PROPERTIES OF CMP FROM CUNNINGHAMIA LANCEOLATA
     Ⅶ.杉木化机浆漂白性能的研究
短句来源
     Bleaching properties of vinylon-milk protein fiber
     维纶基牛奶蛋白纤维的漂白性能
短句来源
     Ⅲ.BLEACHING PROPERTIES OF CMP FROM POPULUS DAVIDIANA
     Ⅲ.山杨化机浆漂白性能研究
短句来源
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  bleaching property
     Relationship between bleaching property nd molecular structure of yellow, magenta and cyan oil soluble dyes for silver-dye-bleach photography were studied.
     本文选用了一系列黄、品、青油溶性偶氮染料来研究银漂影像染料的漂白性能与其分子结构的关系。
短句来源
     Bleaching property, dyeing behavior and reactivity of keratin fibers such as wool and human hair change a lot after stretching-setting treatment.
     人发及羊毛等角蛋白纤维经拉伸-定型处理后,其漂白性能、染色性能以及反应性等发生一定的变化。
短句来源
  bleaching performance
     Study on the Pulping and Bleaching Performance of Four Species of Fast Growing Poplar
     四种速生杨木制浆及漂白性能的研究
短句来源
     Bleaching performance of new photoactivators
     新型光漂剂的漂白性能研究
短句来源
  “漂白性能”译为未确定词的双语例句
     Irradiation Damage and Thermal Bleaching of the Scintillating Phosphate Glasses in the Na_2O-Gd_2O_3-P_2O_5 System
     Na_2O-Gd_2O_3-P_2O_5闪烁玻璃的辐照损伤及热漂白性能
短句来源
     The bleachability of Chinese Alpine Rush KP pulp with one—stage H_2O_2(P),two—stage H_2O_2(P—P),two—stage oxygen—peroxide (O—P),two—stage hypochlorite—peroxide (H —P) as well as CEH convertional three—stage sequences was studied.
     本文采用 H_2O_2单段法(P)、H_2O_2两段法(P—P)、次氯酸盐与 H_2O_2两段法(H—P)、氧与 H_2O_2两段法(O—P)及常规三段漂(C—E—H)对龙须草碱法化学浆的漂白性能进行了研究。
短句来源
     It can upgrade the pulp brightness by 3.8%ISO, but lower than using H2O2 to intensify oxygen bleaching alone, which can upgrade 6.5%ISO.
     TAED活化双氧水用于强化氧气漂白可以提高氧气的漂白性能,可以比单独使用氧气漂白的纸浆白度高3.8%ISO,但是其效果却比只使用双氧水来强化氧气漂白的效果差,使用双氧水强化氧气漂白可以比单独使用氧气漂白的纸浆白度高6.5%ISO。
短句来源
     Xylanase was used to enhance the bleaching of wheat straw pulp.
     研究了麦草浆漂白的木聚糖酶处理工艺对麦草浆漂白性能的影响。
短句来源
     Relationship Between Pulp Bleachability and Residual Lignin Structure
     残余木素结构与纸浆漂白性能的关系(英文)
短句来源
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  bleaching properties
It is desirable to have low levels of phospholipids in the oil to obtain better oxidative stability and bleaching properties.
      
When some foaming or wetting properties are required in addition to the disinfection or bleaching properties a surface active agent should be added.
      
  bleaching performance
The bleaching performance of this novel catalyst was higher than that of the conventional activator, tetraacetyl ethylenediamine (TAED).
      
The method is based on an amperometric titration which indicates bleaching performance from both the increase in whiteness and fabric tendering standpoints.
      
Major Factors That Influence Bleaching Performance
      
The three major factors which affect bleaching performance are type of clay, bleaching method, and oil quality.
      
Of the three factors, oil quality has the greatest influence upon bleaching performance.
      
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Bleaching experiments on soda-anthraquinone (AP + AQ) and kraft pulps (KP) of E. citriodora have been carried out in the H, H-H, C-E-H, and C-E-H-D sequences. Bleaching properties of kraft pulps of E. Leizhou No.l, E. tsaaulyuh No.2. and E. exserta in the H process have also been tested. Results indicated E. citriodora (AP + AQ) and E. citriodora (KP) both reached a brightness of over 70% (G. E.) , when an active chlorine of 7% and a pulp consistency of 6% were employed under a temperature of 40℃ for three hours...

Bleaching experiments on soda-anthraquinone (AP + AQ) and kraft pulps (KP) of E. citriodora have been carried out in the H, H-H, C-E-H, and C-E-H-D sequences. Bleaching properties of kraft pulps of E. Leizhou No.l, E. tsaaulyuh No.2. and E. exserta in the H process have also been tested. Results indicated E. citriodora (AP + AQ) and E. citriodora (KP) both reached a brightness of over 70% (G. E.) , when an active chlorine of 7% and a pulp consistency of 6% were employed under a temperature of 40℃ for three hours in the H sequence. The brightness of E. citriodora (AP +AQ) reached over 80% (G. E.) and D. P. above 800 when chlorine of 7% was used in the C-E-H-D sequence. Of the four species of eucalyptus, the bleaching property of E.Leizhou No.l was the best, and E. exserta was found most difficult to bleach. The bleaching property of E. tsaaulyuh No.2 was similar to that of E. citrodora. Physical strengths of the bleached pulps of E. citriodora, E. tsaaulyuh No.2 and Leizhou No.l turned up to be quite good, with a breaking length of 6060-8050M, and a folding strength of 59-413. All these pulps can be used to produce paper for printing purposes or even some finer paper.

对柠檬桉烧碱—蒽醌浆(AP+AQ)和硫酸盐浆(KP)进行了H单段,H—H两段,C—E—H三段以及C—E—H—D四段漂白试验。对雷林一号桉、草律桉、窿缘桉硫酸盐浆还做了H单段漂白性能的对比试验。结果表明:在用氯量7%、浆浓6%,温度40℃、时间3小时的H单段漂白条件下,柠檬桉(AP+AQ)和柠檬桉(KP)的白度均可达70度以上。采用C—E—H—D四段漂,用氯量为6%,柠檬桉(AP+AQ)的白度超过80度,D.P.在800以上。四种桉树中,雷林一号桉的漂白性能最好,窿缘桉最难漂白,草律桉与柠檬桉的漂白性能相近。柠檬桉、草律桉、雷林一号桉制得的漂白浆,物理强度甚好,裂断长6060—8050米,耐折度59—413次,可以用来生产一般文化用纸,也可考虑用来生产某些高级纸张。

The bleachability of Linum Usitatissimum Linn. whole stalk AS-AQ pulp with one-stage hypochlorite(H), two-stage hypochlorite (H-H), two-stage hypochlorite-peroxide (H-P) as well as CEH, CE_oH, and CE_(op)H three stage sequences was studied. Changes of chromorphore groups in H, HP, CEH bleaching were determined by IR. Results obtained showed that single stage hypochlorite bleaching at approprite pH ranges and with chlorine consumption of about 8%, gave a pulp of 71-72% brightness. With the HP sequence, however,...

The bleachability of Linum Usitatissimum Linn. whole stalk AS-AQ pulp with one-stage hypochlorite(H), two-stage hypochlorite (H-H), two-stage hypochlorite-peroxide (H-P) as well as CEH, CE_oH, and CE_(op)H three stage sequences was studied. Changes of chromorphore groups in H, HP, CEH bleaching were determined by IR. Results obtained showed that single stage hypochlorite bleaching at approprite pH ranges and with chlorine consumption of about 8%, gave a pulp of 71-72% brightness. With the HP sequence, however, a biightness above 75% was readily gained, with less bleaching chemicals consumed and better brightness stabilibt obtained. With the conventional CEH sequence, a brightness value of 82% may be procured. However, by adding oxygen or oxygen and 0.5% H_2O_2 at the alkaline extraction stage in CEH bleaching, the brightness value may be upgraded to 85.3%. The bleached product should be adaptable for fine paper manufacturing.

本文采用H单段漂白,HH、HP两段漂白及CEH、CE_oH、CE_oPH三段漂白,研究了胡麻全秆AS-AQ浆的漂白性能。用红外光谱法详细探讨了各种漂白过程中发色基团的变化及漂白机理。

The fiber morphology and chemical composition of M. glyptostroboides were studied. Compared with fir and spruce wood, the fiber length of M. glyptostroboides was longer, the ratio of wall to cavity was smaller, and the content of α-cellulose needed for papermaking was higher. Soda-AQ and kraft pocess were employed for the digestion of M. glyptostroboides and results were compared. The relationship of pulp yield, Kappa number, averag degree of polymerization with the various cooking conditions, such as maximum...

The fiber morphology and chemical composition of M. glyptostroboides were studied. Compared with fir and spruce wood, the fiber length of M. glyptostroboides was longer, the ratio of wall to cavity was smaller, and the content of α-cellulose needed for papermaking was higher. Soda-AQ and kraft pocess were employed for the digestion of M. glyptostroboides and results were compared. The relationship of pulp yield, Kappa number, averag degree of polymerization with the various cooking conditions, such as maximum temp., time at temp., charge of alkali andAQ, could be expressed by multinomial exponential equations. Optimum conditions for soda-AQ cooking of M. glyptostroboides were: maximumtemp.170℃ time at temp. 9Omin., charge of alkali (as Na_2O) 18% (based on OD wood), charge of AQ 0.30%, and liquor ratio 1∶4. Under these conditions, screened pulp yield of 48.01% and Kappa number 23.3 were claimed. Optimum conditions for kraft cooking were: max. temp.170℃, time at temp. 9Omin., charge of alkali (as Na_2O) 18% (based on OD wood), liquor ratio 1∶4, and sulfidity 25%. Under these conditions, screened pulp yield of 45.05% and Kappa number 24.6 were claimed. Therefore, cooking property of M. glyptostroboides in soda-AQ process, was superior to that in kraft process. The mechanisms of three pulping processes, soda-AQ, kraft, and soda, were also studied and compared. Delignification of soda-AQ and kraft was exercised in three phases: initial, bulk and residual delignification. The initial phase appeared from the beginning and ended when temp. reached 150℃, with a lignin removal of 20%. The bulk phase, from 150℃ to 170℃, lasted for 45 min. and the amout of lignin removed was 70%. The residual phase continued for the rest ofthe cooking period and only 8% of lignin was removed in this phase. The mechanism of delignification of soda-AQ was similar to that of kraft since the delignification curves of the two processess were very much alike. However, compared with kraft pulping, soda-AO pulping consumed Jess alkali, with less carbohydrate, being dissolved out. However, much similar pulp yield and α-cellulose content were reported. Bleaching of M. glyptostroboides pulps and their papermaking characteristics were also studied. The brightness of a CEHP bleached pulp from the soda-AQ process was 4% lower than that from the kraft process, chiefly due to the fact that unbleached soda-AQ pulp was at lower starting brightness. But the yield of bleached pulp from soda-AQ process was 3-4% higher, than that from kraft process, while tear strength of soda-AQ pulp was 22% lower than that of kraft, breaking length, folding endurance and bursting of soda-AQ (unbleached and bleached) were comparativly in a better position.

本文研究了水杉(Metasequoia glyptostroboides)烧碱-蒽醌法和硫酸盐法的蒸煮性能,并取得了得率,卡伯值和平均聚合度与各种蒸煮参数的回归方程和最佳蒸煮条件。对最佳条件下的烧碱-蒽醌、硫酸盐法和烧碱法三个蒸煮过程的反应历程进行了对比研究。同时,对水杉材的漂白性能和浆的物理性能也作了一定的研究。

 
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