查询词典 lacca

Content of mineral salt has certain relationship with thickness of raw lac, mortality, fecundity and amount of lac secreted by per Kerria lacca.

无机盐含量与胶被厚、死亡率、怀卵量、个体泌胶量有一定关系。

The thickness of periderm and cortex havnt influence on Kerria lacca settling and foraging, but keratinaziation has influence on its settling and foraging.

紫胶蚧在成虫期泌胶只发生在成虫期一定时间段内，泌胶存在一定规律，下代幼虫涌散10d左右停止泌胶。

Come forward new formula to count mortality of lac insect.There are obvious linear relationship between individual weight and adult density, between adult density and amount of lac secreted by per Kerria lacca on double logarithmic coordinate axis.

有针对性地选择固虫密度、性比、死亡率、泌胶量、怀卵量、胶被厚、放收比指标，分别评价紫胶虫在不同需求下的经济指标，提出了3个评价公式。

The sole source of shellac was the excretions of the female Laccifer lacca beetle, found only in India and Southeast Asia.

虫胶的唯一来源是仅在印度和东南亚发现的雌性拉思佛。拉卡甲虫的分泌物。

Lac is a natural substance that is secreted by the insect "Coccus lacca" often referred to as the lac beetle.

虫胶是由一种名为&Coccus lacca&的昆虫，也即是人们平时说的紫胶虫分泌的一种天然物质。

For centuries, the resinous secretion s that Laccifer lacca beetles deposited on trees had provided a cottage industry in southern Asia, where peasants heated and filtered it to produce a varnish for coating and preserving wood products

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

For centuries, the resinous secretions that Laccifer lacca beetles deposited on trees had provided a cottage industry in southern Asia, where peasants heated and filtered it to produce a varnish for coating and preserving wood products.

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

For enturies , the resinous secretions that Laccifer lacca beetles deposited on trees had provided a cottage industry in southern Asia , where peasants heated and filtered it to produce a varnish for coating and preserving wood products .

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

For centuries, the resinous secretions that Laccifer lacca beetles de-posited on trees had provided a cottage in-dustry in southern Asia, where peasants heated and filtered it to produce a varnish for coating and preserving wood products.

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。