查询词典 mosquito larvae

Baby brine shrimp, microworms, red worms, mosquito larvae, tubiflex worms and are all excellent.

咸水小虾，小虫，孑孓，水虫是最好的鱼食。

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，对杀死蚊子幼虫及蝇蛆有明显效果。

Another,for GRISELESF,10 ml/m2,after 3rd day,the density degression rate of mosquito larvae was 96%,and the rate of pupae was only 20%.

生物蛙在10ml/m2的剂量下，第3d蚊幼密度出现96%的下降率，而蛹的下降率较低，仅为20%。

Any of various small livebearers of the genus Gambusia that feed on mosquito larvae and are often used in mosquito control.

食蚊鱼一种食蚊鱼属主食蚊幼虫的卵生鱼，常被用于控制蚊子的生长

Gambusia affinis is originated from Middle and North America, and was introduced into different countries for controlling mosquito larvae in the early 20th century, becoming an alien invasive species distributed globally.

食蚊鱼原产于中、北美洲，由于被认为可用以控制蚊子，而于20世纪初被世界各地大量引种，现已成为全球性分布的外来入侵种之一。

Any of various small livebearers of the genus Gambusia that ''.'feed'.'' on mosquito larvae and are often used in mosquito ''.

食蚊鱼一种食蚊鱼属主食蚊幼虫的卵生鱼，常被用于''。

As mosquito larvae control agents, the predatory capacity of Gambusia affinis and Poecilia reticulata is limited. This study was designed to compare a Taiwan native larvivorous fish, Macropodus opercularis, with G.

利用大肚鱼、孔雀鱼防治病媒蚊幼虫已有相当的历史，但常受环境的影响而限制其应用。

Objective To study the effect of integrated control aimed at mosquito larvae in the urban environment.

目的 研究在城市生态环境中采取针对蚊幼防治的蚊虫综合治理效果。

The United States also funds a program in Dar es Salaam to kill mosquito larvae in the water where they are born.

美国还资助达累斯萨拉姆的一个项目，杀死蚊子在水中繁殖的幼虫。

As Bs grows, it produces binary toxin, Mtx and Cry48Aa/Cry49A, which have specific toxic effects on a variety of mosquito larvae. It is hence widely used in biological vector and mosquito control and considered a larvicidal solution that is non-toxic to human, animal, poultry and aquatic life and environmentally friendly.

Bs在生长发育过程中能产生对不同蚊幼虫具有特异性毒杀作用的二元毒素、Mtx毒素和Cry48Aa/Cry49A毒素，广泛应用于病媒蚊虫的生物控制中，被认为是一种对人、畜、禽、水生生物无毒，不污染环境的生物杀蚊幼制剂。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。