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- Feathers initially developed from insect scales. 羽毛最初由昆虫的翅瓣演化而来。
- chitosan from insects 昆虫壳聚糖
- REVIEW OF RESEARCH ON CHITIN AND CHITOSAN FROM FUNGI. 数字化期刊。真菌几丁质和壳聚糖研究进展。
- ISOLATION AND IDENTIFICATION OF CHITOSAN FROM MORUS ALBA L. 桑白皮中壳聚糖的分离与鉴定
- Objective To study the preparation of chitosan from mycelium. 目的研究从菌丝体中提取壳聚糖的工艺。
- There is less danger from insect and disease contamination. 病虫侵染的危险较
- A hat can keep the head away from insects and other unwanted objects. 帽子可隔开蚊虫和其它杂物。
- The Optimum Condition for Producing Chitosan from Pupa Skin of Silkworm Bombyx Moril L. 家蚕蛹皮制取壳聚糖的最佳工艺条件。
- The principle and method of preparing O-carboxymethyl chitosan from crab shell was studied. 以蟹壳为原料,研究了O-羧甲基壳聚糖的制备原理和方法;
- These versions are often designed to resist damage from insects or agricultural chemicals. 转基因食物通常可以抵制虫害和化学农药。
- The improved method of CTAB isolation of total DNA is suitable for extraction of total DNA from insects of Troides. 首次采用改进的CTAB法提取裳凤蝶基因组DNA,所提样品完全可以满足RAPD及线粒体DNA的扩增。
- Slight tickles from insects can cause us to bend in panic, sending a chill through our body. 虫子带来的轻微痒感可以令我们惊慌失措,浑身发抖。
- The crops suffered from insect plague this year, it will definitely be a lean year. 今年庄稼遭了虫灾,肯定是个歉岁了。
- Artemisia sphaevocephala Krasch dead of injure from insect pest when it grow for a few years. 飞播沙蒿生长发育到一定年限后即开始大量死亡,其原因之一是钻蛀性昆虫危害。
- Now there are only about 10 insect antifungal peptides separated and pured from insect newly, and the reports of indepth study on them are limited. 目前从昆虫中新分离纯化得到的抗真菌肽还为数不多,大约10多种,并且对它们的深入研究报道也有限。
- Extracting chitosan from Aspergillus niger biomass while adding ethanol to lower alkali concentration by use of the microwave technique was studied. 对利用微波技术并通过加入乙醇降低碱浓度的方法从黑曲霉菌丝体提取壳聚糖进行了研究。
- The existences of chitin and chitosan in fungi, methods of preparing, as well as some problems of obtaining chitin and chitosan from fungi were reviewed in this paper. 本文就几丁质和壳聚糖在真菌中的存在,从真菌中制备几丁质和壳聚糖的方法,以及目前存在的问题进行了综述。
- To fill (an orchard or another planted area) with dense smoke from a smudge pot in order to prevent damage from insects or frost. 烟熏从烟熏炉中放出浓烟,使其充满(果园或其它种植地)来防止虫害或霜冻。
- Some, such as cochineal, come from insects and a small number, including iron and copper salts, come from mineral sources. 有一些,如洋红,来自昆虫,还有一小部分,包括铁和铜盐,来自矿产资源。
- The insect bit him and drew blood from his arm. 那只昆虫叮在他的手臂上吸血。