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- 与 重于 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The invention relates to a synthesis method of N-acetylaminoglucose, which comprises dissolving D-glucosamine hydrochlorate and alcohol at the mass ratio of 2-2.5:100, adjusting the pH value of the solution to 9-10, filtering, taking the filter liquor, mixing and adding acetic anhydride at the 50-60wt% amount of D-glucosamine hydrochlorate, mixing and reacting for 2h, using absolute ethyl alcohol to recrystallizing, filtering and recrystallizing via water, to obtain rod-shape food grade N-acetylaminoglucose.
本发明涉及一种N-乙酰氨基葡萄糖的合成方法。该方法的具体步骤为:将D-葡萄糖胺盐酸盐和乙醇按2~2.5∶100的质量比溶于水中,调节该溶液的pH值为9~10;过滤,取滤液,搅拌下加入乙酸酐,其加入量为原料D-葡萄糖胺盐酸盐量的50~60wt%;搅拌反应2小时后,用无水乙醇进行重结晶;过滤,晶体再用水重结晶,得棒状食品级N-乙酰氨基葡萄糖。
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WTBX〗Chlamydomonas microsphaera〖WTBZ〗 was dominant species in winter,and the dominance index changed from 7143% to 9628%.
同时,生物学评价显示,蠡湖冬季水质劣于春季,与化学评价结果相一致;但从评定级别看,生物评价认为,2007年冬、春季节蠡湖水质分别处于重污染和中度污染状态,较化学评价的污染程度重,显示出两种方法的差异性。
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In the very abundant vehicle the most special place, not crosses the hideaway to raise the type loudspeaker design in afterward gate, matches the entire vehicle nine Boston speakers with 100 tile heavy low sound boxes, broadcast music has extremely is on site to shock, specially the low and deep abundant heavy bass effect, lets very abundant as if momentarily can the incarnation become the personal faction to the motion sound box, but above the suitcase dismantable charges automatically the LED flashlight, except can solve the difficult problem which needs to illuminate temporarily, is prompted by a sudden impulse the wish nightwalking exploration is not the question.
酷博车内最特别之处,莫过隐藏于后尾门的下掀式喇叭设计,搭配全车九支Boston扬声器与100瓦重低音箱,播放音乐极具临场震撼,特别是低沉雄厚的重低音效果,让酷博仿佛随时能够化身成为私人派对的移动音箱,而行李箱上方可拆卸的自动充电LED手电筒,除了能解决临时需要照明的难题,心血来潮想要夜游探险也不是问题。
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Diphenyl-5-pyrenyl-2-pyrazoline shows the emission characteristics of pyrene in solution or the emission characteristics of pyrazoline in films and bulk crystals.
但是,DPP超微粒则表现出了分别出自于芘坏386 nm、吡唑啉环465 nm和分子之间的吡唑啉坏-芘环电荷转移激子570 nm的三重发射,而且各自对应各自的激发光谱,即三重发射的光通道互不干涉。
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This dissertation is an anthropological comparative study of the Zhuang and Han nationalitys bone-collecting rebury.
本文是对广东壮汉族群捡骨重葬俗的研究。捡骨重葬俗盛行于广东汉、壮、瑶族地区。
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They have also suggested that the very concept of abstract numbers— the idea of a oneness, a twoness, a threeness that applies to any class or objects and is a prerequisite for doing anything more mathematically demanding than setting a table— is itself far from innate.
这也同样表明:应用于任何类和物体的抽象数字,如,一维性、重性、重性是做比摆桌子这类更具数学要求的事情的先决条件——这并不是天生就决定了的。
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Colossus of Sardia doesn't untap during your untap step.
沙地亚巨像于你的重置步骤中不能重置。
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Nettle Sentinel doesn't untap during your untap step.
荨麻原哨兵于其操控者的重置步骤中不能重置。
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Compared to the silk, moisture regains, level dyeing and thermal behavior of raw silk grafted by MA was better. The K/S value increased a little, the fastnesses decreased a little. But the level dyeing of raw silk grafted by EMA declined severely. Compared to the grafted degummed silk, the moisture regains and level dyeing improved a little.
MA生丝增重丝相对于熟丝吸湿性提高、酸性染料染色的K/S值略有上升、匀染性提高、各种染色牢度变化不明显、热稳定性有所提高;而EMA生丝增重丝吸湿性下降、酸性染料染色的K/S略有上升、匀染性变差、各种染色牢度略有下降、热稳定性有所提升。
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There's a state of mindlessness which makes marching more tolerable, when the conscious part of the brain disengages from the process of movement and a man begins to feel more like he is merely driving on a sunny afternoon.
两个老外重走长征路的第九封电邮两个英国人,马普安与李爱德于去年10月16日开始重走当年长征的路线。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力