| 1. | This metabolite appeared identical to one obtained from mosquito larvage exposed to isobenzan .
这种代谢物似乎同从暴露到碳氯灵的蚊幼虫所得到的一种物质一样。 |
| 2. | Study of killing and removal on chironomid larvae with oxidants in water treatment system
给水处理过程中摇蚊幼虫的氧化杀灭与去除 |
| 3. | Control of chironomidae larvae in water treatment by bacillus thuringiensis var . israelensis de barjac
苏云金杆菌以色列变种防治水处理中摇蚊幼虫研究 |
| 4. | Larvicidal oil can provide effective control on both larvae and pupae as it basically kills by suffocating them
蚊油基本上是令幼虫及蛹窒息而死，是一种兼可有效防治蚊子幼虫及蛹的灭蚊幼虫剂。 |
| 5. | With its neurotoxic mode of action different from other larvicides , it can be used in rotation with other larvicides to prevent the development of resistance
双硫磷的灭杀作用模式是令蚊子神经中毒，可和其他不同的灭蚊幼虫剂轮流使用，防止蚊子产生抗药 |
| 6. | To that end , when it is necessary to resort to chemical control , the use of larvicides should always be the backbone of the programme with adulticides as a supplement only
因此，当必要使用除害剂控制蚊患时，应以灭蚊幼虫剂作为控制蚊患整体计划的骨干 |
| 7. | Since larvicides are directed at the most concentrated developmental stage of mosquitoes , they can provide very effective control and reduce the need for adulticides later
顾名思义，灭蚊幼虫剂是用来杀灭水中蚊子的幼虫(俗称孑孓) ，而灭成蚊剂则用来杀灭成蚊。 |
| 8. | It may be necessary to resort to adulticides when larvicide application cannot provide adequate and satisfactory control and the mosquito population reaches an annoying level and there is a threat of mosquito - borne diseases
若使用灭蚊幼虫剂不足以控制蚊患，而蚊子数量又达到非常滋扰的程度及 |
| 9. | When it is not possible to eliminate stagnant water that may become breeding grounds of mosquitoes , and there are no alternative methods of control , larvicides may be applied to the water bodies
当积水无法清除并且成为蚊子滋生的温床时，又没有其他有效控制蚊患的方法，可将灭蚊幼虫剂施放于水体。 |
| 10. | Although there are no indications that these organisms pose a threat to public health , their presence is still not appreciated because most people associate the organisms with low hygiene
尽管目前不能证实摇蚊幼虫会威胁到公众健康,但是人们常常把这些生物的存在和饮用水不卫生联系起来,引起他们对水质信心的下降。 |
