纤维素与木质素同时降解。
用过硫酸盐氧化法使超细纤维素与丙烯酸接枝共聚。
This paper describes graft copolymerization of acrylic acid onto superfine cellulose using potassium persulphate as initiator.
当碱性纤维素与盐酸的钠盐反应,羧甲基醚钠盐生成。
When alkali cellulose is reacted with the sodium salt of chloroacetic acid, the sodium salt of the carboxymethyl ether (cellulose-O-CH2-CO2-Na +) is formed.
研究了由天然多糖—纤维素与甲壳素细化混合而制得膜的性能。
The mechanical properties of films made from the suspensions of blended natural polysaccharides, cellulose and chitosan, are studied.
结果表明羟丙甲纤维素与卡波姆对阻滞胶囊体外释放度影响较大。
The results showed that the amount of HPMC and Carbomer had remarkable effects on the in vitro release of capsules.
粘胶的生产过程包括纤维素与氢氧化钠反应形成碱纤维素的过程。
Viscose manufacturing process involves the reaction of cellulose with sodium hydroxide to form an alkali cellulose.
目的比较高分子纤维素与不同防粘连物质在预防肌腱粘连中的作用。
Objective To study the effect of materials and methods in prevention of tendon adhesion.
这就是说,纤维素与血液关系很融洽,是人造血管很好的替代品,这是很有趣的。
This means that the cellulose works very well in contact with the blood and is a very interesting alternative for artificial blood vessels.
膜衣成分包含具有生物相容性材料-醋酸纤维素与水溶性孔洞形成剂-聚乙二醇。
The coating film contained a biocompatible semipermeable material, cellulose acetate, and a water soluble pore-forming agent, poly(ethylene glycol).
结果:微晶纤维素与交联聚乙烯吡咯烷酮的最佳处方用量分别为40%、10%;
RESULTS:The optimized formula dosage of microcrystalline cellulose and crospolyvinylpyrrolidone were40%and10%respectively;
以棉纱和粘胶丝为试料,研究了利用硝酸铵铈为引发剂的纤维素与丙烯腈的接枝共聚。
The graft copolymerization of acrylonitrile onto cotton yarn and viscose rayon with ceric. ammonium nitrate as initiator has been studied.
重要的是,杀卫生物剂领域内的工作者应了解为什么硫酸纤维素与安慰剂相比具有更高的艾滋病毒感染风险。
It is important for the microbicide field to understand why cellulose sulfate was associated with a higher risk of HIV infection than the placebo product.
采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
使用中空纤维处理羟丙甲纤维素滴眼液,离心分离羟丙甲纤维素与苯扎溴铵,建立了HPLC法测定其中的苯扎溴铵含量。
Benzalkonium bromide was separated from the hypromellose eye drops with hollow fiber under the effect of centrifugal force and its determination was studied by an HPLC method.
高沸醇溶剂(HBS)法是一种适用于从木材、草木秸秆类原料制备纤维素与木质素,且具有节能、环保等众多优点的好方法。
The high boiling solvent (HBS) method is a pulping process of wood and annual plants with saving energy, saving resources and non-pollution.
当被净化的纤维素与氢氧化纳溶液反应产生一种膨胀碱性纤维素时,HPMC就产生了,这种纤维素在化学上比没有经过处理的纤维素更易起反应。
HPMC is prepared when a purified form of cellulose is reacted with sodium hydroxide solution to produce a swollen alkali cellulose that is chemically more reactive than untreated cellulose.
绿藻以淀粉的形式储存食物,陆生植物也是如此,它们的细胞壁由纤维素构成,与陆生植物的细胞壁组成相似。
Green algae store food as starch, as do land plants and have cell walls made of cellulose, similar in composition to those of land plants.
酶是由基因改性的细菌或者真菌生产的,与白蚁的唾沫,而白蚁因为能分解纤维素而臭名昭著。
The enzymes are usually made by gene-modified bacteria or fungi and resemble the saliva of termites, which is notoriously good at dissolving cellulose.
关于膳食纤维与结肠癌关系的研究未能证明纤维素能起到保护作用,对于维生素能防止癌症的研究也以未能有明显的作用效果。
But that has been hard to prove. Studies of dietary fiber and colon cancer failed to find that fiber was protective, and studies of vitamins thought to protect against cancer failed to show an effect.
与对照相比,多数药剂处理后能促进半纤维素酶的活性,同时药剂对果胶酶活性的影响不如对其它两种酶活性的影响明显。
Compared with the control, majority treatments could promote the activity of hemicellulase, and the effect on the activity of pectinase was less than that of other two enzymes.
纤维素纤维改性剂CM系由叔胺与环氧氯丙烷合成。
Modifier CM is synthesised by tertiary amine and epoxy chloropropane for improving properties of cellulose fibre.
与甲基纤维素比较,HPMC导致溶液更加的清晰,只是回有较少未被分散的纤维,因此更是眼科使用方面的首选。
Compared to methylcellulose, HPMC produces solutions of greater clarity, with fewer undispersed fibers present, and is therefore preferred in formulations for ophthalmic use.
但M - PMS显示了与纤维素增稠剂令人满意的兼容性效果。
But M-PMS showed a satisfactory compatibility results with cellulose thickening agent.
对纤维素物料与表面活性抗菌剂的吸附性能进行了研究。
Adsorption properties of dressing cellulose materials with respect to surfactant antiseptics were studied.
巨藻中蛋白质含量随水温的升高而相对下降,碘与纤维素的含量则以夏天为高。
The amount of protein content in giant kelp has been found to decrease as water temperature increases, while the iodine and cellulose contents increase in the summer.
粉碎度与堆肥化学参数:纤维素、半纤维素含量呈负线性相关,与木质素无相关性。
There is significant linear correlation between the grinding degree and chemical parameters of compost including hemicellulose and cellulose, while there is no significant correlation with lignin.
黄瓜肉质脆性与组织结构、纤维素、果胶含量关系密切。
With higher fiber, lower pectin contents the fruits are more stiff.
本文研究了羧甲基纤维素钠与硫酸新霉素,硫酸庆大霉素及醋酸洗必泰的配伍问题。
In this paper we approach the compatibility of carboxymethylcellulose sodium and. neomycin sulfate or gentamycin sulfate or chlorhexidine acetate.
制备的以羧甲基纤维素钠与卡波姆940为主要混合基质的二氧化氯缓释凝胶剂质量符合2005年版《中国药典》凝胶项下的规定。
The quality of the slow-release of chlorine dioxide prepared with sodium carboxymethyl Cellulose and carbopol 940 as the main mixed-matrix consistent with the 2005 edition of Chinese Pharmacopoeia.
木霉纤维素酶基因的克隆与表达研究进展。
The clone and expression of cellulase gene of trichoderma spp.
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