黄枏森先生是我国当代杰出的马克思主义哲学家、哲学史家和哲学教育家。先生虽然走了,但他将毕生精力奉献给马克思主义哲学事业的执着与坚守的崇高精神,他做出的一大批有重大
Syngas fermentation has several limitations such as low productivity and poor solubility of gaseous substrates in the liquid phase.These limitations are thu
Unveiling the fundamental chemistry of lignin under ionic liquid(IL)pretreatment will facilitate the understanding of biomass recalcitrance involves in pret
The thermal degradation of cellulose-graft-poly(L-lactic)at different heating rates in nitrogen was studied by thermogravimetric analysis(TGA)in the tempera
当前社会经济正在不断发展，在电力改革不断推进的基础上，电力企业在社会所占的地位也逐渐提高了。日益激烈的电力市场竞争机制给电力企业发展带来了较大的压力，为保证企业能在市
比克是一只不讨人喜欢的小猪,它大大的耳朵,圆圆的鼻子,胖乎乎的脸,还有一双小小的眼睛.rn因为样子丑,大家都不喜欢它,爸爸妈妈冷落它,它也没有什么朋友,甚至,大家看见它,总
In this paper,optimal pretreatment conditions were obtained by investigating the influences of temperature,time and green liquor doses on delignification du
花卉爱好者在养植盆花时都会发现:直接从仙人掌、仙人球、山影拳、令箭荷花、大丽花母本上基部(结合部)掰下来的插穗比用器械从中部剪下的插穗进行扦插,生根快,成活率也高。
本文收集整理了自1985年至1987年期间我国自行研制建设和引进的光纤通信系统。着重介绍了这些光纤通信系统的试验建设时间、地点、光纤线路长度、通信容量及系统功能、波长、
In this work,two kinds of ion exchange resin(Purolite PCR642CA and 001×7(732))were used to separate the mixture of glucose and fructose.Under the same cond