查询词典 acaricidal

Pre-test for chemical constituents and Screening of acaricidal active part of clove: The possible chemical compounds of clove were checked using tube-test method.

丁香化学成分预试与杀螨活性部位筛选：采用试管法对中药丁香的化学成份进行了预试。

Primary extract the active elements from the root,stem and foliage of Artemisia annua L with petroleum ether (30~60℃), petroleum ether (60~90℃), ethanol, acetone and water were carried out in laboratory, then further separation of active elements was detected by column chromatography, and then the separated elements′acaricidal activitie was measured against Tetranychus cinnabarinus.

采用石油醚（30~60℃）、石油醚（60~90℃）、乙醇、丙酮和水等5种溶剂对采自6月份的黄花蒿的根、茎、叶分别进行活性成分的初步提取，然后用柱层析进行分离检查，并进一步用分离得到的组份对朱砂叶螨进行生物测定。

Preliminary insecticidal and acaricidal activities of the mentioned compounds were bio-assayed.

同样的，依维菌素B〓与羧酸在DMAP/DCC体系中直接酯化反应，得到10个5-IVB〓酯衍生物，产率66-82％。

The-methyl-β-methoxyacrylate compounds containing substituted pyrazole ring I-14、I-16 had good acaricidal activity with 100% control of T.

含吡唑环的甲氧基丙烯酸酯类化合物I-14、I-16在150 mg/L浓度下具有很好的杀螨活性。

Then the extracts of petroleum ether,chloroform,ethyl acetate,n-butanol and distilled water were extracted by solvent extraction,and whose acaricidal activity were detected by killing Psorptes communis cuniculi in vitro.

用石油醚、氯仿、乙酸乙酯、正丁醇、蒸馏水五种溶剂对丁香进行部位提取，采用离体杀螨试验观察各部位提取物的杀螨活性。

The pathogenicity of Tetranychus cinnabarinus was studied by using BtR05 strain. Its acaricidal activity was confirmed to prepare BtR05 suspending agent (BtR05 SC). This suspending agent was used to make the indoor toxicity test on the young, nymphae and adult T.

方法］使用BtR05菌株对朱砂叶螨进行致病性研究，确定其杀螨活性后，制备了BtR05悬浮剂，并使用该悬浮剂对朱砂叶螨的幼螨、若螨和成螨进行了室内毒力测定。

Preliminary bioassays indicated that many title compounds exhibited excellent fungicidal, or insecticidal and acaricidal activities. The strobilurin derivatives containing substituted pyrimide ring have lower biological activity than the strobilurin derivatives containing substituted pyrazole ring which exhibited good fungicidal activity against RB (0.92 mg/L), TLB (0.3 mg/L), CDM (12.5 mg/L) and WPM (1.56 mg/L).

初步生物活性测定结果表明，新型Strobilurin类化合物中多个化合物具有较好的杀菌或杀虫杀螨活性，其中吡唑类化合物要明显优于嘧啶类化合物，吡唑类化合物在低浓度下对水稻稻瘟病菌(0.92 mg/L)、番茄晚疫病菌(0.3 mg/L)、黄瓜霜霉病(12.5 mg/L)和小麦白粉病(1.56 mg/L)仍具有很好的杀菌活性。

Preliminary bioassays indicated that many title compounds exhibited excellent fungicidal, or insecticidal and acaricidal activities. The strobilurin derivatives containing substituted pyrimide ring have lower biological activity than the strobilurin derivatives containing substituted pyrazole ring which exhibited good fungicidal activity against RB (0.92 mg/L), TLB (0.3 mg/L), CDM (12.5 mg/L) and WPM (1.56 mg/L).

初步生物活性测定结果表明，新型Strobilurin类化合物中多个化合物具有较好的杀菌或杀虫杀加热管螨活性，其中吡唑类化合物要明显优于嘧啶类化合物，吡唑类化合物在低浓加热管度下对水稻稻瘟病菌(0.92 mg/L)、番茄晚疫病菌(0.3 mg/L)、黄瓜霜霉病(12.5 mg/L)和小加热管麦白粉病(1.56 mg/L)仍具有很好的杀菌活性。

There are more than 100 kinds of acaricidal plants such as Meliaceae, Compositae, Thymelaeaceae, Solanaceae, Leguminosae, Chenopodiaceae, Labiatae, Umbelliferae etc.

目前杀螨植物主要有楝科、菊科、瑞香科、茄科、豆科、藜科、唇形花科、伞形花科等共计约100余种。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失