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- A resinous secretion of the lac insect deposited on trees and used in making shellac. 紫胶,虫胶由紫胶虫分泌的沉积于树上的树脂分泌物,用于制造虫胶清漆
- The external morphology of lac insects have close relationship with their geographic distribution and living surroundings. 紫胶虫的外部形态与其地理分布及生境有着密切的关系。
- This paper deals with climatic conditions in original lac-producing areas and lac insect introduction and cultivation in new places. 本文分析了我国紫胶主产区的气候条件以及新产区紫胶虫引种驯化的研究概况。
- The copper in stick lac existed mainly in the corpses of the lac insect and that was the main pollution source causing copper pollution in laccaic acid (lac dye ) . 紫胶原胶中的铜高度富集于紫胶虫尸体之中,它是引起紫胶红色素铜污染的主要污染源。
- This strain of lac insect species was introduced from Nepal in 1999.It completed the life-cycle twice a year in Yuanjiang of Yunnan Province. The lac insect showed a stable life-cycle which indicated that the introduction and reproduction was successful. 紫胶蚧于1999年自尼泊尔引入我国,在云南元江1a发生2代,世代周期稳定,生活史正常,引种繁殖成功;
- Preference of Lac Insect to Host Branch in Foraging 紫胶蚧觅食时对寄主植物枝条的选择
- an inferior lac produced by lac insects in Madagascar. 马达加斯加紫胶虫产的一种次等紫胶。
- Fish were surfacing to catch insects. 鱼浮到水面上捕捉昆虫。
- an inferior lac produced by lac insects in Madagascar 马达加斯加紫胶虫产的一种次等紫胶
- A Study on Population Dynamics of Lac Insect and It's Lac Secreting 紫胶蚧成虫期种群变化及泌胶特点
- Studies on Population Density and Secretion of Lac Insect 紫胶虫种群密度变化与泌胶的研究
- The spider can catch insects by cobweb. 蜘蛛能用蜘蛛网抓住昆虫。
- The resources conservation of lac insects in Kerria and its utilization 胶蚧属昆虫资源保护及利用
- The dead tree is alive with insects. 这棵枯树上爬满了昆虫。
- Most bees and wasps are social insects. 大多数蜜蜂和黄蜂都是群居昆虫。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The insect bit him and drew blood from his arm. 那只昆虫叮在他的手臂上吸血。
- Butea gum is also called shellac, insect lac, etc. “紫铆”又名紫矿,还有紫梗、紫草茸、虫胶等名。
- Some insects deposit their eggs on the ground. 有些昆虫把卵产在地上。