...和亲水性的磷酸胆碱残基,因此是两性化合物,这种结构特 点使其成为细胞膜的重要组成部分。 鞘磷脂是白色结晶,在空气中不易被氧化。 不溶于丙酮及,但 溶于热乙醇。 三、蜡 蜡 蜡( waxes)是指由长链脂肪酸和长链脂肪醇形成的酯, 是不溶于水的 固体。
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植物角质层广泛存在于植物与空气接触的所有表面,由蜡质(waxes)、角质(cutin)、角碳(cutan)和多糖组成的膜状结构,是植物接触、吸收、积累有机污染物的第一屏障,对环境中有机污染物的迁移转化行...
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Waxes for leather 皮革用蜡
Petroleum waxes 石油蜡熔点的测定 ; 石油蜡 ; 石蜡
Saints Waxes Festival 法国圣蜡节 ; 圣蜡节
PE Waxes 一般粗蜡
System Waxes 回收 ; 再生模料
Micronized PE Waxes 聚乙烯微粉蜡
NO Waxes 不含矿物蜡
The desensitizing effects of the four kinds of wax varied, and the best is no. 58 wax.
不过,4种蜡的钝感效果也有差异,效果最好的是58号蜡。
参考来源 - RDX的钝化和B炸药的改性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N-MASS Wax is a solid, slightly shiny substance made of fat or oil that is used to make candles and polish. It melts when it is heated. 蜡
There were coloured candles which had spread pools of wax on the furniture.
彩色蜡烛在家具上留下了一摊摊的蜡油。
→ see also beeswax
V-T If you wax a surface, you put a thin layer of wax onto it, especially in order to polish it. 给…上蜡
We'd have long talks while she helped me wax the floor.
她帮我给地板上蜡时,我们闲聊了很长时间。
N-UNCOUNT Wax is the sticky yellow substance found in your ears. 耳垢
Use a cotton bud to remove the wax from your ears.
用棉花棒挖掉你耳朵里的耳垢。
V-T If you have a part of your body waxed, for example your legs, you have the hair removed from the area by having wax put on it and then pulled off quickly. (用蜡) 去毛
She has just had her legs waxed at the local beauty parlour.
她刚在当地的美容院用蜡去了腿毛。
V to become larger, more powerful, etc 变更大; 变更强大
N a fit of rage or temper 发怒; 生气 [英国英语] [非正式,老式]
He's in a wax today.
First, there may be a brief cessation or reduction of breathing when falling asleep as the sleeper waxes and wanes between sleep and wakefulness and their differing control mechanisms.
首先,睡眠者在半梦半醒及不同调节机制之间转换时进入睡眠状态,呼吸可能短暂地停止或减少。
The moon waxes till it becomes full, and then wanes.
月亮渐盈, 直到正圆,然后消亏。
These comprise asphalt, tar and waxes.
其中包括沥青,焦油和蜡。
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