农药是什么?
农药是一种用于防治农作物病虫害及杂草的化学物质。农药是由人工合成或天然提取的一类化学物质,广泛用于农业生产中,以防治农作物病虫害及杂草。农药可以分为杀虫剂、杀菌剂、除草剂等多种类...
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先喷农药再提矿李战言可浇水还是先浇水再打农药?
在干旱的情况下,先浇水再打农药。一般的天气不用浇水。喷农药按照说明方法进行。喷农药一般在早上或者下午,不要在天气干旱的中午进行。农药,目前世界上统一的英文名为*******来自d...
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为什么农药能杀死害虫而不伤害植物呢?
对于我们从事农药领域的人来说,最不愿意看到的就是农药的药害,而所谓农药的药害是指对农作物,而不是人。比品杀那如敌敌畏,敌杀死对玉米,高粱等非常敏感,很容易造成药害,这时候就不仅仅...
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水果上的农药怎么洗才能洗干净
究竟用来自什么方法清洗果蔬才能最大限度的洗掉恼人的农药呢?这是一个困扰我们很久的问题。虽然避免不了农药,但我们老百姓好歹得知道如何去除农药吧,看了今天的检测报告,妈妈从此再也不用...
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水果上的农药怎么洗才能洗干净
究竟用什么方法清洗果蔬才能最大限度的洗掉恼人的农药呢?这是一个困扰我们很久的问题。虽然避免不井呼做了农药,但我们老百姓好来自歹得知道如何去除农药吧,看了今天的检测报告,妈妈从此再...
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大家知来自道用洗菜机的话,洗果蔬可以洗掉农药残留吗?
洗菜机是怎么清除蔬果上残留的农药的?不同的洗菜机静协相沿企视维输一顺,作用机制不同,常见限脸波京溶光引争酒的主要有下面这几种:(1)超声波洗菜超声波可以在水中产生局部高压,这种局...
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清除水果蔬菜上的农药残留方法有几种?
如何清除蔬菜残留农药目前,市场上的蔬菜360问答大部分是菜农自产自销。即便是固定摊点,也要计很难说明蔬菜的货源。菜售出后,一旦发生农药征不季房风师余中毒,想找到菜农追究责任是很困...
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如何清除水果皮上的一些细菌或农药等的一些脏东西?
几种清洗方法对比清水清洗这是绝大部分人群及餐馆的清洗方法,它360问答可有效去除蔬果表面的泥土和灰尘,但农药、细菌等有害物质均无法去除。清洗方法:将蔬果反复在流动水中冲洗,直至冲...
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清除水果蔬菜上的农药残留的方法?
如何清除蔬菜残留农药目前,市场上的蔬菜大部分是菜农自产自销。即便是固定摊点,也很难说明蔬菜的货源。菜售出后,一旦发生农药中毒,想找到菜农追究责任是很困难的。因此,市民提高自我保护...
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生物化学题目
来自一、试述有机磷农药中毒与解毒的360问答生物化学机制
二、使用氨基酸代谢理论,阐述:1、肝病脑病的分子机制2、叶酸或B12缺乏与贫血关系。
三、试述引起DNA突变的因素及其突变机讲动娘加或章径担向况制,DNA突变的分子改变类型及其产生的疾倒独末有责哥乙垂胡病、四、甲状腺激素田英对氧化磷酸化左右有何影响?甲状腺机能亢进
试述有机磷农药中毒肉根景措鲜就散阿与解毒的生物化学机制1农问亮严中毒机制:有机磷农药中毒的机理,一般认为是抑制了胆碱酯酶的活性,造成组织中乙酰胆碱的积聚,其结果引起胆碱能受体活性...
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种一亩黄剧磁豆地共使用农药多少克呢?
黄豆是我国重要的粮食作物之一,生长过程中容易受到多种害虫和病菌的侵害。因此来自,在种植黄豆时需要知督货司班确形达使用一定量的农药来保护作物。但360问答是,农药的使用需要根据实际...
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中药微生来自物农药指什么?
微生物农药是指利用微生物及其代谢物质制成的农药。目前微生物农药可分为两种类型:一种是用微生物活菌体,主要是活芽孢等制成的农药;另一种是利用微生物的代谢产物,主要是抗生素类物质制成...
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农药废弃物回收处置管理办法所称的农药包装废弃物,属于农药废弃物的一种类型,是指农药使用后被废弃的与农药直接触或含有农药残...
参考**:对