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蒸汽爆
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  steam explosion
     Studies on Steam Explosion of Wheat Straw──Ⅰ.Effects of the Operating Coditions for Steam Explosion of Wheat Straw and Analysis of the Process
     麦草蒸汽爆碎处理的研究──Ⅰ.影响麦草蒸汽爆碎处理因素及其过程分析
短句来源
     Trichosporon cutaneum 851S is a good SCP production strain which is able to grow in water extraction of waste wheat straw (from paper mill) with steam explosion pretreatme-nt. The continuous fermentation of T.
     皮状丝孢酵母(Trichosporon cutaneum)851S是一株能在蒸汽爆碎处理的造纸厂麦秸备料废渣水提液(半纤维素蒸汽爆碎水解物)中生长的较理想单细胞蛋白生产菌株。
短句来源
     By means of uniform and rotating regression design optimal steam explosion conditions for the ligno-cellulosic waste,namely the fibrous trash from material preperation of a paper mill ,and the effects of steam pressure,holding time and acid addition on hemicellulose recovery and enzymatic susceptibility of cellulosic residue were investigated.
     采用均匀设计和旋转回归设计序贯形式,对纤维性废物——造纸厂麦秸备料废渣的蒸汽爆碎预处理条件进行了优化。 发现蒸汽爆碎条件对纤维废物的纤维素可酶解性和半纤维素抽提得糖率的影响明显不同。
短句来源
  “蒸汽爆”译为未确定词的双语例句
     Studies on SCP Production from Hemicellulose Hydrolysate by Continuous Fermentation
     半纤维素蒸汽爆碎水解物连续发酵生产单细胞蛋白的研究
短句来源
     STEAM EXPLOSION PRETREATMENT OF LIGNOCELLULOSIC WASTE AND WATER EXTRACTION OF HEMICELLULOSE HYDROLYSATE
     纤维性废物蒸汽爆碎预处理和半纤维素水解物的水抽提
短句来源
     In recent years, a greatnumber of patents have been published concerning pathways of manufac-ture of adhesives with varieties of lignins, including sulfate, sulfite,hydrolized, solvolized and steam-exploded lignins, of which some are inpilot-plant scales.
     近年来,发表了许多专利介绍用各种木素制胶的途径,包括亚硫酸盐、硫酸盐、水解、溶剂分解和蒸汽爆碎的木素,某些试验已达到了中试的程度。
短句来源
     Bagasse and chopped poplar wood were used as substrates for studying the effects of pretreat-ments on enzymatic hydrolysis of cellulose.
     以酸、碱及蒸汽爆碎预处理的蔗渣、杨树作底物,进行纤维素酶解(50℃、24h)试验,其中以碱预处理的蔗渣得糖率为最高。
短句来源
  相似匹配句对
     The Steam Explosion Pretreatment of Cotton-Cellulose and Synthesis of Its Carboxymetholcel
     棉纤维素蒸汽改性及其羧甲基化研究
短句来源
     Structural Changes and Chemical Reactivity of Cotton Cellulose Treaded by the Steam Explosion
     棉纤维蒸汽改性及其化学反应性能
短句来源
     About the Seleetion of Steam Pressure Reducing Valves
     蒸汽减压阀的选择
短句来源
     Steam Flow Meter Model Selection
     蒸汽流量表的选型
短句来源
     Anti-explosion of Air Compressor
     空气压缩机的防
短句来源
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  steam explosion
The phenomenon of steam explosion takes an important place in the analysis of severe accidents in nuclear power generation.
      
The intensity of steam explosion defines the scenario of further course of an accident.
      
A comparison with experiment confirms the validity of this approach to solving the problem on intensity of steam explosion.
      
Only the mixing of a corium jet with water at different values of pressure is studied in experiments L-14 and L-24; in experiment L-33, an initiating device is used to make a steam explosion after mixing.
      
The results of VAPEX code-aided calculations and the experimental data agree qualitatively and quantitatively both at the stage of mixing and at the stage of steam explosion.
      
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Lignin is the most important resource of natural polyphenols consis-ting of phenyl propane monomers linked by carbon-carbon and ether bondsto form high molecules. Owing to the similarity in microstructures bet-ween lignin and phenoformaldehyde, many experiments have been madeto manufacture adhesives with lignin instead of phenol, or produce phe-nolphormaldehyde resins through condensation. In recent years, a greatnumber of patents have been published concerning pathways of manufac-ture of adhesives with varieties...

Lignin is the most important resource of natural polyphenols consis-ting of phenyl propane monomers linked by carbon-carbon and ether bondsto form high molecules. Owing to the similarity in microstructures bet-ween lignin and phenoformaldehyde, many experiments have been madeto manufacture adhesives with lignin instead of phenol, or produce phe-nolphormaldehyde resins through condensation. In recent years, a greatnumber of patents have been published concerning pathways of manufac-ture of adhesives with varieties of lignins, including sulfate, sulfite,hydrolized, solvolized and steam-exploded lignins, of which some are inpilot-plant scales.

木素是最重要的天然多酚类,系由苯基丙烷单体组成,由碳—碳和醚键连接,形成高分子量的分子。由于木素与酚醛树脂的微结构有相似之处,因此人们试图用木素代替酚制胶,或把本素与酚醛缩聚制成酚醛树脂用于胶粘剂。近年来,发表了许多专利介绍用各种木素制胶的途径,包括亚硫酸盐、硫酸盐、水解、溶剂分解和蒸汽爆碎的木素,某些试验已达到了中试的程度。

Trichosporon cutaneum 851S is a good SCP production strain which is able to grow in water extraction of waste wheat straw (from paper mill) with steam explosion pretreatme-nt. The continuous fermentation of T. cutaneum 85lS in water extract medium was investigated. The best results were obtained at a dilution rate of 0.33 h-1 with yield of 0.722 g of biomass per gram of total suger consumed, 9.22 g of biomass per liter fermentation liquor and a biomass productivity of 3.04 g/l.h. The growth parameters of T....

Trichosporon cutaneum 851S is a good SCP production strain which is able to grow in water extraction of waste wheat straw (from paper mill) with steam explosion pretreatme-nt. The continuous fermentation of T. cutaneum 85lS in water extract medium was investigated. The best results were obtained at a dilution rate of 0.33 h-1 with yield of 0.722 g of biomass per gram of total suger consumed, 9.22 g of biomass per liter fermentation liquor and a biomass productivity of 3.04 g/l.h. The growth parameters of T. cutaneum 85lS in water extract medium were determined (μmax = 0.438 h-1, YG = 0.748 g biomass/g TS, ms = 0.0263 g TS/ g. biomass. h.).By extracting the steam exploded waste wheat straw with paper mill's spent ammonium sulfite liquor (SASL), an all waste medium was made up. An acclimated strain T. cutaneum 851S-6B-1 which can grow in no inhibitor-eliminating SASL extraction was obtained from T.cutaneum 85lS by means of adaptation in shake flask and continuous cultufermre tank with increasing concentration of SASL. The dilution rate of continuous entation by T.cutaneum 851S-6B-1 in the all-waste medium was 0.31 h- 1 with a yield of 0.692 g/g TS, a biomass of 8.45g/l, a productivity of 2.56 g/l.n.The growth parameters of T.cutaneum 851S-6B-1 in all-waste medium were determined (μmax = 0.423 h-1, YG =0.704 g/gTS, ms = 0.027 g/g.h).

皮状丝孢酵母(Trichosporon cutaneum)851S是一株能在蒸汽爆碎处理的造纸厂麦秸备料废渣水提液(半纤维素蒸汽爆碎水解物)中生长的较理想单细胞蛋白生产菌株。本文研究了851S在水提液培养基中的连续发酵,其最适稀释率为0.333h~(-1),在此条件下,菌体得率为0.722g/g,菌体生物量为9 22g/l,生产率为3.04g/l,h,比分批培养提高了4.7倍。测定了851S的生长参数:最大比生长速率为0.438h~(-1),最大菌体得率为0.748g/g,碳源维持常数为0.0263gTS/g.b.。 另外,用造纸厂亚铵蒸煮废液抽提汽爆备料废渣制成全废料培养基,以851S作出发菌株,经摇瓶一平板和连续培养两阶段驯化,选育出了一株能在未排毒的亚铵废液抽提培养基上生长的抗性菌株851S-6B-1。连续培养最适稀释率为0.31h~(-1),菌体生物量,菌体得率和生产率分别为8.45g/1,0.692g/g和2.56g/l.h。并测定了851S-6B-1在全废料培养基上的生长参数:最大比生长速率为0.423h~(-1),最大菌体得率为0.704g/g,碳源维持常数为0.027g...

皮状丝孢酵母(Trichosporon cutaneum)851S是一株能在蒸汽爆碎处理的造纸厂麦秸备料废渣水提液(半纤维素蒸汽爆碎水解物)中生长的较理想单细胞蛋白生产菌株。本文研究了851S在水提液培养基中的连续发酵,其最适稀释率为0.333h~(-1),在此条件下,菌体得率为0.722g/g,菌体生物量为9 22g/l,生产率为3.04g/l,h,比分批培养提高了4.7倍。测定了851S的生长参数:最大比生长速率为0.438h~(-1),最大菌体得率为0.748g/g,碳源维持常数为0.0263gTS/g.b.。 另外,用造纸厂亚铵蒸煮废液抽提汽爆备料废渣制成全废料培养基,以851S作出发菌株,经摇瓶一平板和连续培养两阶段驯化,选育出了一株能在未排毒的亚铵废液抽提培养基上生长的抗性菌株851S-6B-1。连续培养最适稀释率为0.31h~(-1),菌体生物量,菌体得率和生产率分别为8.45g/1,0.692g/g和2.56g/l.h。并测定了851S-6B-1在全废料培养基上的生长参数:最大比生长速率为0.423h~(-1),最大菌体得率为0.704g/g,碳源维持常数为0.027g/g.h.。851S-6B-1具有抗污染、易连续培养、除废渣废液外不需添加任何营养物等优点,具有工业应用前景。

By means of uniform and rotating regression design optimal steam explosion conditions for the ligno-cellulosic waste,namely the fibrous trash from material preperation of a paper mill ,and the effects of steam pressure,holding time and acid addition on hemicellulose recovery and enzymatic susceptibility of cellulosic residue were investigated. It was found that 1. 5-1. 6 MPa,17- 18 min and with no acid addition were proper conditions for both. The mechanism of steam explosion was preliminarily studied.

采用均匀设计和旋转回归设计序贯形式,对纤维性废物——造纸厂麦秸备料废渣的蒸汽爆碎预处理条件进行了优化。发现蒸汽爆碎条件对纤维废物的纤维素可酶解性和半纤维素抽提得糖率的影响明显不同。综合考虑两者,认为罐压为1.5~1.6MPa,维持17~18min后喷放为最佳条件。初步分析了汽爆预处理的机理。此外对影响汽爆材料中可溶性半纤维素水解物水抽提的因素进行了研究。发现在汽爆材料浓度为15%和热水抽提条件下,抽提3~4次可达到较理想的抽提效果。采用重复式或连续式抽提工艺,可获得糖浓度不同(16.0~47.7g/L)的水抽提液,其糖组成分析显示,木糖占总糖的85.9%,单糖与寡糖之比为1:9。

 
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