查询词典 insecticidal

This paper studies on insecticidal activity and Bioassays of Cantharidin(C10H12O4) which is insects'natural products and Demethylcantharidin which is cantharidin analogues.

本试验对昆虫天然产物斑蝥素(Cantharidin，C10H12O4)和斑蝥素类似物去甲斑蝥素的杀虫活性及其作用方式进行了生物测定。

Insecticidal sucrose octanoate and sucrose caproate were synthesized by transesterification method or reaction of acid chloride with sucrose.

分别以酯交换法和酰氯法合成了辛酸蔗糖酯和己酸蔗糖酯两种杀虫活性蔗糖酯，其中酯交换法产物单酯含量高，而酰氯法反应速度快。

A method of killing flying insects which method comprises spraying into the air in which insects are flying liquid droplets of an insecticidal composition, a unipolar charge being imparted to the said liquid droplets by double layer charging and charge separation during spraying, the unipolar charge being at a level such that the said droplets have a charge to mass ratio of at least +/-1x10-4 C/kg.

一种杀死飞虫的方法，该方法包括：向具有飞虫的空气中喷射杀虫剂组合物液滴，在喷射过程中通过双层充电以及电荷分离而向所述液滴施加单一极性的电荷，单一极性的电荷处于使所述液滴具有至少＋／－1×10-4C/kg的电荷／质量比的水平。

It is reported in this study that (1) two high enzyme-yeilding strains TK54 and T12 have been screened from four choleterol-secrecting experimental strains, he supernatant of which have been tested for insecticidal activity with the results showing that cholosterol oxidase can strongly inhibit the vigor of cotton boll worm.

本研究从4个分泌胆固醇氧化酶的实验菌株中，筛选出两个高产酶菌株TK54和T12，用其上清进行杀虫实验发现，胆固醇氧化酶具有较强的抑制棉铃虫生长的活性。

Insecticide bioassay: The compounds to culex pipiens in greenhouse by Soak method, some of them showed insecticidal activity.

在室内采用浸渍法对淡色库蚊进行了杀虫活性试验，某些化合物表现一定的杀虫活性。

Rotenone derivatives from derris have been an important isoflavonoid with insecticidal activity.

鱼藤酮类衍生物是一类从鱼藤属等植物中提取出来的具有杀虫活性的异黄酮类化合物。

The fused protein from pPIC9KBC/KM71 yeast strain had the insecticidal activity and could be digested by enterokinase in vifro.

酵母中表达的融合蛋白具有杀虫活性，并且可以被肠激酶进行体外切割。

For this purpose, Ferula.ferulaeoidis was selected from 15 Xinjiang special herbs for insecticidal and antifungal activities and constituents research. Primary results were as follows:(1)The acetone extract from Ferula.

为此，本论文在对15种新疆特色植物杀虫活性初筛的基础上，选取阿魏(Ferula.ferulaeoidis)为供试材料，对其杀虫抑菌作用进行了初步研究，结果如下。

During the growth period, sugarcane is apt to attack by insects of Lepidoptera and Homoptera ect., insecticidal genetic engineering is a basic method to sugarcane pest control.

甘蔗的生长期长，鳞翅目、同翅目等昆虫危害严重，采用基因工程的方法，培育甘蔗抗虫品种是防治甘蔗虫害的根本方法。

At the same time, KHm insecticidal activity, the strength of bactericidal effect of sodium humate than good.

同时，活性腐植酸钾本身的杀虫、杀菌力也比活性腐植酸钠强。

At the rear was an innovative combination transaxle with the gearbox, clutch, differential, and inboard-mounted drum brakes.

在后面是与变速箱，离合器，差的创新结合变速，和内侧安装鼓式制动器。

For more people can apprecaite and have the master work, there is reproduction painting appears in the market, the large various selection of paint,the high saturation of color plus the plentiful sfumato, to make the reproduction perfect copy and detail as original painting, so as to meet the requirment of amateurs who love art paintings,they do not need to pay high price to get classical paintings.

颜料色域广，色彩饱和度高，色彩层次丰富，图像色彩还原真实，能完美的复制原作，满足艺术爱好者欣赏，艺术爱好者们不用支付昂贵的价格就能拥有经典油画。