查询词典 pyrethrum insecticide

This, Neway Securities analyst Huang Bo told reporters that if the issuance of the smooth passage, the red sun's pesticide rapid expansion of production capacity, at the same time will have to be fat pyrethrum, Pyridine alkali and glyphosate acid three complete industry chain platform, the formation of "intermediate - the original drugs - agents - sales channels," the overall advantage.

为此，新时代证券分析师黄百告诉记者，如果顺利通过发行，红太阳农药迅速扩大生产能力的同时，将必须脂肪除虫菊，吡啶碱和草甘膦酸三个完整的产业链平台，以"中间形成-了-代理商-销售渠道"的整体优势原来的药物。

Eleven of the populations were in Hardy-Weinberg equilibrium, whereas two strains had higher number of heterozygotes than expected, indicating a possible heterozygote advantage. The frequency of kdr was strongly correlated with the reduced mortality observed in the bioassays when treated with pyrethrum and bioresmethrin synergized by piperonyl butoxide.

Kdr基因频率与一定农药选择压力下的家蝇死亡率成反比，显示kdr是家蝇拟除虫菊酯抗性的主要因素。14个野生家蝇种群中，有5个种群对PYR／pho和BRM／pbo的抗性指数分别大于25和10，属高抗性家蝇种群。

The paper introduced the principle ,the test conditions and the operation steps of dry-ing the pyrethrum flower ;The four drying methods :drying the air flow ,far infrared ray ,sunsh-ing and vacuum were described ;The drying conditions ,the moisture of tile dry flower and extrac-tion.

本文主要介绍了除虫菊鲜花的真空冷冻干燥技术的原理、条件和操作步骤。

Four crossbred barrows were used to evaluate the nutritional value of Pyrethrum cinerariioflium Trev residue. The conventional method of collecting feces and urine was used to determine the apparent digestibility of organic nutrients, apparent digestible energy, N retention and apparent protein biological value of PCTR on two periods (20-50kg BW, 60-90kg BW).

选取健康、胎次相近的约克×长白×撒坝三元杂交阉公猪4头，采用全收粪法，对试验猪在体重20~50㎏和60~90㎏两个阶段饲喂除虫菊花渣日粮，分别测定了其养分表观消化率、消化能和蛋白质生物学价值。

During the pests happened heavily, field toxicity were experimented to control the larvae of Liriomyza huidobrensis Blanchard with abamectin, veratridine, matrine, pyrethrum+matrine, azadirachtin, chlorpyrifos and imidacloprid.

在南美斑潜蝇发生较重时期，利用阿维菌素EC、苦参碱EC、除虫菊素+苦参碱EC、印楝素EC、毒死蜱EC、吡虫啉WP等8种农药防治大田中的南美斑潜蝇。

This, Neway Securities analyst Huang Bo told reporters that if the issuance of the smooth passage, the red sun's pesticide rapid expansion of production capacity, at the same time will have to be fat pyrethrum, Pyridine alkali and glyphosate acid three complete industry chain platform, the formation of "intermediate - the original drugs - agents - sales channels," the overall advantage.

为此，新时代证券分析师黄百告诉记者，如果顺利通过发行，红太阳农药迅速扩大生产能力的同时，将必须脂肪除虫菊，吡啶碱和草甘膦酸三个完整的产业链平台，以&中间形成-了-代理商-销售渠道&的整体优势原来的药物。

Results Sort the risk factors by turns according to OR value, threatened abortion, insecticide, oestrogenic hormone, tocolytic agent, organic solvent,abstergent, subcalorism and mal-medication in inchoated duration of pregnancy,conceptus age7 weeks.

结果：危险因素按OR值排序，依次为先兆流产、杀虫剂、雌激素、保胎药、有机溶剂、洗涤剂、孕早期感冒、孕早期不当用药、胎龄7周。

The main products have fungicide, insecticide, acaricide, plant growth regulators, herbicides, such as five series of more than 30 varieties.

主要产品有杀菌剂、杀虫剂、杀螨剂、植物生长调节剂、除草剂等五大系列三十多个品种。

Biochemistry: Cholinesterase inhibitor. Mode of action: Systemic insecticide and acaricide with contact and stomach action.

作用特点是一种内吸性杀虫剂，可以有效地杀死多种害虫的卵、幼虫和成虫。

Diafenthiuron is an insecticide and acaricide with new chemical structure, it has no cross resistance problem, and is efficient on high resistant insects.

杀螨隆是一种具有全新化学结构的杀虫杀螨剂，没有交互抗性的问题，对高抗性害虫十分有效。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。