查询词典 insecticides

Effects of insecticides and chemical and organic fertilizers on the persistence of infective juveniles of the entomopathogenic nematode, Steinernema abbasi , in soil were examined in the laboratory.

在实验室内，分别测定化学肥、有机肥及杀虫剂等对 Steinernema abbasi 之感染期第三龄虫(infective juvenile， IJ)持效力之影响。

Toxicities of 17 insecticides to Agriotes fuscicollis Miwa were determined by the soil mixed pesticide method.

采用土壤混药法，测定了17种杀虫剂对细胸金针虫的室内毒力。

In the field of the agriculture, the organic phosphor and the amido formylesters were the insecticides which were broadly used for a long time.

根据胆碱酯酶对乙酰胆碱和丁酰胆碱的选择性水解作用可分为乙酰胆碱酯酶和丁酰胆碱酯酶。

Malaria remains a leading cause of human morbidity and mortality due to the inability of insecticides and chemotherapy/chemoprohylaxis to eliminate the Anopheline mosquito vectors or disease caused by protozoan parasite belonging to genus Plasmodium.

疟疾仍然是一种严重危害人类健康的寄生虫病。由于抗药虫株以及媒介按蚊耐药性的不断发生和蔓延，世界疟疾形势日趋恶化，防制难度不断加大。因此，研制高效疟疾疫苗是控制和消灭疟疾的重要途径。

In search of environmentally benign insecticides with high activity, low toxicity and low residue, a novel series of anthranilic acid esters containing N-pyridylpyrazole were designed and synthesized. All of the compounds were characterized and confirmed by IR, 1H NMR, MS and elemental analysis.

设计，合成了8个新的含N-吡啶基吡唑杂环的邻氨基苯甲酸酯类化合物，结构经FTIR， MS， 1H NMR 和元素分析确证，并且采用X-射线衍射分析方法确证了具有较好生物活性的化合物14d的结构。

In the past, the bija tree blossoms and the Bija oil were used as insecticides.

过去榧子树的果实即榧子经常作为驱虫剂使用，也用来榨油。

Article 14. A frontier health and quarantine office shall conduct sanitation inspections and disinfect, derat, treat with insecticides or apply other sanitation measures to articles such as baggage, goods and postal parcels that come from an epidemic area and are contaminated by a quarantinable infectious disease or may act as a vehicle of a quarantinable infectious disease.

第十四条国境卫生检疫机关对来自疫区的、被检疫传染病污染的或者可能成为检疫传染病传播媒介的行李、货物、邮包等物品，应当进行卫生检查，实施消毒、除鼠、除虫或者其他卫生处理。

In pyrethroid insecticides mostof formations are emulsifiable concentrates and the concentration of organicsolvent is high.

拟除虫菊酯类农药因其高效、低毒的特点，在我国杀虫剂中占有举足轻重的地位。

Good control can be achieved by foliar sprays at the adult stage with conventional insecticides.

自20世纪80年代以来，烟粉虱大发生，在许多地区成为作物生产的限制因素。

The results obtained are discussed in relation to tolerance of Heteroptera predators to insecticides and possible hormesis occurrence.

所取得的成果，讨论了有关公差天敌半翅目害虫和可能发生的兴奋

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。