查询词典 Blattella germanica

Objective To observe the effect of AB cockroach attractant on Periplaneta americana and Blattella germanica.

目的观察 AB型蟑螂引诱剂对美洲大蠊和德国小蠊的引诱效果。

Objective To investigate the effectiveness of different slow-releasing linalool formulation against Blattella germanica.

目的 比较不同缓释型芳樟醇制剂的生物活性效应。

Objective To test toxicities of several insecticides on susceptible strains of Musca domestica and Blattella germanica in the laboratory.

目的研究室内条件下，几种杀虫剂对家蝇及德国小蠊敏感品系的毒力。

The repellent rate of clove oil and turpentine oil to Blattella germanica reduced fast by the time, especially the turpentine oil showed very weak repellent effect in a week.

在持效性上，丁香油和松节油对德国小蠊的驱避性都随时间推移有明显的递减，特别是松节油，一周后效果已很弱。

Toxicity and repellent activity of several plant-based compounds on Blattella germanica were studied, results showed that rotenone, toosendanin and azadirachtin had stomach toxic effect on Blattella germanica, rotenone showed high stomach toxicity and all insects died after 8 hours, matrine also has deformative effect on Blattella germanica , matrine and toosendanin can affect oviposition of Blattella germanica; repellent activity of these botanicals was further studied, results showed that bering hydrochloridum, azadirachtin and sparteinehave had repellent activity against Blattella germanica, observation also showed that rotenone and bering hydrochloridum had high contact toxicity against Blattella germanica, the time of all insects knocked down were 8 and 48 hours.

选取了7种植物源化合物，测定了它们对德国小蠊的毒性和驱避性，结果表明，鱼藤酮、川楝素和印楝素对德国小蠊具有不同程度的胃毒作用，其中鱼藤酮乙酸乙酯溶液作用较强，8小时死亡率已达100％，川楝素和印楝素对德国小蠊也表现出一定的毒杀作用，观察还发现印楝素和苦参碱对德国小蠊的发育有致畸作用，苦参碱和川楝素影响其卵鞘形成；进一步对这几种化合物的驱避性进行研究，结果表明盐酸黄连素、鱼藤酮乳油和印楝素乳油对德国小蠊有不同程度的驱避作用，其驱避率分别为96.7％、51.3％和50.1％，另外观察到鱼藤酮乙酸乙酯溶液和盐酸黄连素对德国小蠊具有较强的触杀活性，供试虫全部被击倒的时间分别为8小时和48小时。

In order to approach this question, we used a cross-reacting antibody against the most conserved germline marker Vasa to stain the panoistic ovarioles dissected from the adult German cockroach Blattella germanica .

为了研究这个问题，我们用一个可辨识最保守之生殖细胞标记分子Vasa的高度交叉反应性抗体对德国蜚蠊的无营养细胞型微卵管进行免疫染色。

The product of various drug resistant cockroaches are still valid, and Periplaneta americana, Blattella germanica effects are excellent.

该产品对各种不同药品产生抗性的蟑螂仍然有效，对美洲大蠊，德国小蠊效果都极佳。

The results showed that the values of LT50 against Blattella germanica and Periplaneta Americana were 1.61 d and 1.38 d respectively.

结果表明，0.5％SIOC-I-013对美洲大蠊和德国小蠊的半数致死时间LT∞分别为1，61d和1.38d；1％和0.5％SIOC，I.013在药后14d对红火蚁工蚁的减退率均达到98，0％以上，浓度为1000mg／L的SIOC-I-013对台湾乳白蚁的半数致死时间LT50为3600min。

To evalute the efficacy of SIOC-I-013 against cockroches, fire ants and termites, it was tested in laboratory according to bioassay methods of pesticide and the GB/T17322.11-1998. The results showed that the values of LT50 against Blattella germanica and Periplaneta Americana were 1.61 d and 1.38 d respectively.

参照农药生物活性测定方法和国标GB/T17322.11-1998的有关规定进行了该化合物对蜚蠊、红火蚁和台湾乳白蚁等卫生害虫的实验室杀灭效果观察和毒效作用的评价。

Bioassay of 1% clove oil, 1% turpentine oil, camphor on Blattella germanica showed that repellent rate of clove oil and turpentine oil to Blattella germanica were 92.8% and 81.5%,camphor didt have effect.

对1％丁香油、1％松节油、樟脑乙醇溶液这三种植物次生物质的驱避性实验表明，丁香油和松节油对德国小蠊第一天驱避率分别为92.8％和81.5％，而樟脑对德国小蠊不表现出驱避作用。

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