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- The lichen substances may be classified into the following groups: aliphatic lichen substances, aromatic lichen substances and carbohydrates (polysaccharides). 地衣物质分为脂肪族地衣物质,芳香族地衣物质和碳水化合物(多糖类)等几个组。
- Lichens produce a wide array of both primary and secondary metabolites (lichen substances). 地衣可以产生很多初生和次生代谢物(地衣物质)。
- lichen substances 地充化学物质
- Substances consist of small particles called molecules. 物质是由叫做分子的微粒组成的。
- I heard the ointment is effective for treating lichen. 我听说这软膏治苔癣病有效。
- The act of obtaining usable substances from unusable sources. 废物利用从无用的东西中获取有用物质的行为
- The mixture will resolve into three simple substances. 这种混合物可分解成三种单纯状之。
- Chemicals in the body break our food down into useful substances. 人体中的化学元素把食物分解成有用的物质。
- She struck the snow from the branches of an old cedar with gray lichen. 她把长有灰色地衣的老雪松树枝上的雪打了下来。
- A leaflike thallus, as of a seaweed or lichen. 叶状体例如海藻或苔藓的叶状体
- A leaflike thallus,as of a seaweed or lichen. 叶状体例如海藻或苔藓的叶状体
- To this class of substances belong glass and wood. 属于这类物质的有玻璃、木材等。
- The stone stairway was covered with lichen. 那石级长满了地衣。
- The pancreas can produce substances which help in the digestion of food. 胰脏能产生助消化的物质。
- Caribou eat moss, lichen and green plants. 北美驯鹿的主要食物是地衣、苔藓和绿色植物。
- An allergy is an adverse reaction of the body to certain substances. 过敏是身体对某些物质的不良反应。
- Respectively is Shi Ji, the rockfish, the lichen. 分别是石鸡、石鱼、石耳。
- Alcohol is a solvent of resinous substances. 酒精是树脂性物质的溶媒。
- Tibetan antelope feeds chiefly on lichen. 藏羚羊主要以地衣为食。
- Some substances resist corrosion by air or water. 有些物质可以抗空气或水的腐蚀。