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In essence, dry fly fishing involves using fly imitations that involve imitations of the adult aquatic insect (such as a mayfly, caddis fly or stonefly).

实质上涉及渔业用干苍飞仿冒涉及仿造成人水产昆虫如蜉蝣,毛翅

Carolinas in the United States. Each plant has a long, thin

维纳斯捕草生长在美国卡罗莱纳洲的湿地。

The 50-60 times water dilution of the optimum formula emulsion containing 7% cassia oil caused more than 95% corrected mortality of the fly eggs.

杀卵试验表明,经0.1%肉桂油的最优配方水溶液处理,卵校正未孵化率达到90%以上。

Through conducting L9 (3^4) orthogonal tests involving 4 factors and 3 levels, and comparison of emuisifying stabilization, the optimum emulsion formula was determined: 7% cassia oil, 0.6% octulanddecylglycerate, 0.4% sucrose ester and 9% starch ester octenyl succinate.

以肉桂油为原料,进行乳化精油配方优化试验,测定不同配方乳化精油对咸鲞害虫丝光绿压的杀卵效果。

Biennial European catchfly having red or pink flowers; sometimes placed in genus Lychnis .

开有红色或粉红色花朵的欧洲两年生捕草;有时归于剪秋罗属。

Genus of plants strongly resembling those of genus Silene: catchfly.

极像麦瓶草属植物的一个属;子草属植物,捕虫草。

Can also be made from castor-oil plant leaf extract powder, spreading to the toilet, pigsties, cesspit, etc., to kill mosquito larvae and have a clear effect of maggot.

也可将蓖麻叶粉制成浸出液,撒到厕所、猪圈、粪坑等处,对杀死蚊子幼虫及蛆有明显效果。

The ovum, the larva ,pupa and development starting point temperature of the whole generation respectively are 8.5℃, 9.8℃, 10.2℃, 10.4℃ in cineraria, effective accumulated temperature 52.7、 75.8、 158.5、

在瓜叶菊上采集的美洲斑潜卵、幼虫、蛹和全世代的发育起点温度分别为8.5℃、9.8℃、10.2℃、10.4℃,有效积温分别为52.7、75.8、158.5、262.2日·度。

Our laboratory also found a gene like Drosophila intersex in the testis of Cyprinus carpio. According to the significant function played by Drosophila ix in sex-determination, we are interested in the function of this gene in carp. To study the functions of cIX further, I cloned the full-length cDNA of cIX. The recombinant protein is produced and purified to serve as the antigen to induce antibody.

本实验室同样也在鲤鱼的睪丸中发现了类似Drosophila intersex的基因,鉴於intersex在果中所扮演性别决定的重要功能,对於此基因在鲤鱼中所担任的功能而感到兴趣,为了进一步探讨cIX的功能,本论文完成cIX全长cDNA,设计并建构cIX的重组DNA,再利用纯化之重组蛋白诱导抗体。

In this thesis, we define a coordinate system for the Drosophila brain.

在这篇论文里,我们为果脑定义一个座标系统。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力