溴甲烷
- 基本解释 (translations)
- bromomethane · Celfume · Embafume · Curafume · Brozone · Trizone · profume · pestmaster
- 词组短语
- methyl bromide · Methy brom · Brom-O-Gas
- 更多网络例句与溴甲烷相关的网络例句 [注:此内容来源于网络,仅供参考]
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The reduction of trihalomethane formation potential was discussed, which indicated that ozonation has a good removal for chlorofom and bromodichloromethane formation potential, but for dibromochloromethane formation potential the removal efficiency was undesirable and there was almost no removal for bromoform forming potential, Furthermore, when there was enough bromide in water, ozonation would have a promotion effect for bromoform formation potential.
通过研究臭氧对三卤甲烷生成潜能的去除规律发现,臭氧对三氯甲烷和二氯一溴甲烷生成潜能都有很好的去除,对一氯二溴甲烷生成潜能的去除效果较差,对溴仿生成潜能基本没有去除。当水中溴化物含量较高时臭氧对溴仿的生成反而具有促进作用。
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However, the surplus residual chlorine can affect people's taste and smell, destroy the quality of water. Moreover, in the process of disinfection, chlorine can react with organic matter and produce a series of hydrochloric ether such as chloroform, bromoform, bromodichloromethane, chlorodibromomethane and so on, these matters can cause to some extent cancer to human body.
但是,水中过量的余氯会影响水的口感和气味,破坏水的品质;此外,在消毒过程中,氯与水中残余的有机物产生化学作用,生成一系列氯代烃如三氯甲烷、溴仿、溴二氯甲烷、氯二溴甲烷等,这些物质会对人体产生一定程度的致癌作用;对于以自然水源作为生活用水来源的城市必然要对水加氯消毒后才可使用。
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Methods: The twelve volatile halogenated hydrocarbons (1, 1-dichloroethene, dicloromethane, trans-1, 2-dichloroethene, cis-1, 2-dichloroethene, chloroform-1, 1, 1-trichloroethane-1, 2-dichloroethane, tetrachloromethane, bromodichloromethane, dibromochloromethane, tetrachloroentene and bromoform) in drinking water were determined by headspace capillary gas chromatography.
采用顶空毛细管柱气相色谱法测定饮用水中1,1-二氯乙烯、二氯甲烷、反-1,2-二氯乙烯、顺-1,2-二氯乙烯、三氯甲烷、1,1,1-三氯乙烷、1,2-二氯乙烷、四氯化碳、一溴二氯甲烷、二溴一氯甲烷、四氯乙烯及三溴甲烷等12种挥发性卤代有机物。
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Research on methyl bromide alternatives is one of the hot issues in the area of current pest control. To study and develop new alternative fumigant, re-evaluate current fumigants are the focus of methyl bromide alternatives research.
溴甲烷替代研究是当前有害生物控制领域的热点问题之一,研究开发新的替代熏蒸剂,重新评估已有熏蒸剂,是溴甲烷替代研究工作的重点。
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Including high-purity synthetic hydrobromide, hydrogen bromide acetic acid solution, hydrogen bromide acetone \ dichloromethane solution, sodium bromide, calcium, ammonium and other inorganic bromide, Bromochloromethane second bromomethane, 1 - bromo --3 - chloropropane organic bromide.
包括高纯度合成氢溴酸、溴化氢醋酸溶液、溴化氢丙酮\二氯甲烷溶液、溴化钠、钙、铵等无机溴化物,溴氯甲烷、二溴甲烷、1-溴-3-氯丙烷等有机溴化物。
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By research on the concentration change and distribution of methyl bromide in the container, we found that in the first period of fumigating, the absorption of the goods to methyl bromide became quickly, so did the concentration decline of the fumigant because of leakage of the carton itself. The distribution of the fumigant is not uniform in the aclinic and vertical directions. The absorption of the goods to methyl bromide completed after 6 hours delivered the gasified fumigant and the distribution of the concentration in space got balance.
对溴甲烷在集装箱内浓度的变化与分布规律进行研究,发现熏蒸开始阶段,货物对熏蒸剂的吸附及箱体渗漏使气体浓度下降较快,且在水平和垂直方向都存在分布不均匀的现象,气化投药后6小时,货物对溴甲烷的吸附已基本完成,浓度空间分布达到平衡。
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Results Inbreathe and dermal exposure to THMs in reclaimed water were the main ways of exposure for occupational worker and general populations in road clearing and public garden virescence in Beijing.
结果 再生水中氯仿、一溴二氯甲烷、二溴一氯甲烷、三溴甲烷的浓度分别为0.875~108、0.06~11.0、未检出~5.82、未检出~3.04μg/L。再生水回用于道路压尘、公园绿化,人群通过吸人和皮肤两种途径暴露于再生水,吸人暴露为主要途径,其消毒副产物THMS中。
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It is necessary to carry out a thorough study on pest control technology with DMDS, with an expectation of obtaining a new fumigant of methyl bromide alternative.2. Investigation of the toxicity of fumigation on adult and mixed stages of the three most tolerant insect species -- Sitophilus oryzae, Rhyzopertha dominica and Tribolium castaneum -- under a range of EtF、DMS and DMDS doses in a Flow-through Fumigation System shows that the FTFS procedure offers a constant concentration of fumigant with low CO2 concentrations and ensures that the fumigant toxicity is effectively not compromised by CO2. In comparison with chamber fumigation method, the toxicity data of EtF、DMS and DMDS obtained from this experiment is more accurate by using FTFS.
主要研究结果如下:1、甲酸乙酯和二甲基二硫对仓储害虫具有良好的控制作用,应加快甲酸乙酯替代溴甲烷防治仓储害虫开发应用,同时,二甲基二硫是很有潜力的仓储害虫防治熏蒸剂,要深入进行二甲基二硫控制有害生物的技术研究,以期获得新的溴甲烷替代熏蒸剂。2、利用循环熏蒸系统测定了甲酸乙酯、二甲基二硫和甲硫醚对米象Sitophilus oryzaeL。
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Comparing with the result of methyl iodide in intense laser field, some differences are observed:(1) at the same laser field intensity, the highest charged fragment ion of methyl bromide was Br(superscript 3+), lower than I(superscript 6+) of methyl iodide;(2) the dehydrogenation channel was observed in the multiphoton dissociation or Coulomb explosion of methyl bromide, but was not observed in the case of methyl iodide;(3) HBr(superscript +) was observed, but there was no similar channel in the case of methyl iodide;(4) for methyl bromide, the valid charge distance of Coulomb explosion increases with the product of p and q; while in the case of methyl iodide, the distance remained almost the same;(5) the producing channel of CH(superscript + subscript m)(m=0, 1, 2) is different from the ionization-dissociation of methyl iodide in which the stepwise dissociation of CH3(superscript +) was thought to be the main channel, CH(superscript + subscript m)(m=0, 1, 2) of methyl bromide are mainly from the products of the direct dissociation of the dehydrogenated parent ions instead of the stepwise dissociation of CH3(superscript +).
与碘甲烷在强场中的实验结果对比发现:(1)在相同的激光场强下,碘甲烷电离解离的最高价碎片离子为I(上标 6+)而溴甲烷为Br(上标 3+);(2)溴甲烷质谱中存在母体离子的脱氢产物CHBr和CHBr(上标 2+),而对于碘甲烷,没有检测到这些通道,C-I键首先断开;(3)质谱中存在H^79Br和H^81Br,而碘甲烷的电离解离中不存在HI产物;(4)溴甲烷库仑两体爆炸的有效电荷间距随着两碎片电荷乘积的增大而增大,而对于碘甲烷此间距几乎不随电荷乘积变化;(5)CH(m=0, 1, 2)的主要生成通道可能与碘甲烷不同,不是来自CH3的顺序脱氢,而是来自脱氢母体离子的直接解离。
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It was found that the goods with different physics property indeed affected the concentration distribution of the methyl bromide.
通过货物不同物理属性对溴甲烷气体分布规律的研究,发现不同货物的吸附性、可通透性等物理特性影响箱内溴甲烷气体浓度变化。
- 更多网络解释与溴甲烷相关的网络解释 [注:此内容来源于网络,仅供参考]
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methyl bromide:溴甲烷
.1.溴甲烷(Methyl bromide) (MB) 俗名 溴代甲烷(Bromomethane) 分子式 CH3Br (1)特性 溴甲烷是一种无色、无味、非易燃熏蒸剂. 气体比重在0℃时为3.27,沸点3.6℃,微溶.
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Bromoform:三溴甲烷,溴仿
仪器信息网上的三溴甲烷/溴仿(Bromoform)报价和型号规格为参考报价和型号规格,如需购买三溴甲烷/溴仿(Bromoform)请来信来电咨询,三溴甲烷/溴仿(Bromoform)的报价以相关业务员给您提供的报价和型号规格为准.
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Bromoform:三溴甲烷
bromoethane 乙基溴 | bromoform 三溴甲烷 | bromoform,tribromomethane 溴仿 溴仿
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bromoform,tribromomethane:溴仿;三溴甲烷
溴乙烯 bromoethylene; vinyl bromide | 溴仿;三溴甲烷 bromoform; tribromomethane | 溴反丁烯二酸 bromofumaric acid
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methylene bromide:二溴甲烷,甲叉二溴,甲烯溴
methylene bridge 亚甲桥 | methylene bromide 二溴甲烷,甲叉二溴,甲烯溴 | methylene chloride 甲叉二氯,二氯甲烷
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bromomethane:溴甲烷
1、 溴甲烷(Bromomethane)分子式:CH3Br 分子量:95 产品为无色气体,沸点:-93°C. 稳定,不可燃. 溴甲烷是一种高效的熏蒸剂,在常温下是无色略带甜味的气体,一般都压缩成液体,使用时打升钢瓶阀门,溴甲烷气体自动喷出. 具有强杀虫活性,
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bromomethane:溴甲烷; 甲基溴
bromoform;溴仿; 三溴甲烷;CHBr3; | bromomethane;溴甲烷; 甲基溴;; | bromotrifluoromethane;三氟溴甲烷;CBrF3;
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bromomethane;methyl bromide:溴甲烷
bromethane 溴甲烷 | bromomethane;methyl bromide 溴甲烷 | brown rice 糙米
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methyl chlorobromide:氯溴甲烷
methyl chloride 氯甲烷 | methyl chlorobromide 氯溴甲烷 | methyl iodide 碘甲烷
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Methyl bromide poisoning:溴甲烷中毒,溴甲烷中毒,甲基溴中毒
methyl bromide ==> 溴甲烷,溴化甲烷=>臭化メチル | methyl bromide poisoning ==> 溴甲烷中毒,溴甲烷中毒,甲基溴中毒 | methyl carbonate ==> 碳酸甲酯