| 单词 | 甲基汞 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 甲基汞 noun —methylmercury nSee also:甲基 n—methyl n 甲基—methyl group (chemistry) 汞 n—mercury n 汞—mercury (chemistry)
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汞主要是以 甲基汞這種有機形態積存於魚類體內。 cfs.gov.hk | Methylmercury is the organic form present [...] predominantly in fish. cfs.gov.hk |
該項研究確定，“魚類＂這個食物類別是中學生攝入總 汞和甲基汞的主要來源。 cfs.gov.hk | The analysis was conducted to determine tHg and MeHg levels for the fish types mainly in the form of “composite sample”. cfs.gov.hk |
最後，利用氣相層析質譜儀，以選擇性離子監測的 模式，檢測甲基汞衍生物。 cfs.gov.hk | Finally, the MeHg derivative was detected by Gas Chromatograph-Mass Selective Detector, operating in the Selective Ion Monitoring mode. cfs.gov.hk |
由於甲基汞可能 會令人類 的胚胎細胞產生突變，美國國家環境保護局 把 甲基汞 列 為 需高度關注的 物質。 cfs.gov.hk | Environmental Protection Agency (EPA) of the United States has classified MeHg as being of high concern for potential human germ cell mutagenicity. cfs.gov.hk |
尽管所有形 [...] 式的汞在一定程度上都可以累积，但 是 甲基汞 被 吸收和累积的程度要比其他形式高得多（USGS [...]2000）。 zeromercury.org | Although all forms of mercury can accumulate to [...] some degree, methylmercury is absorbed [...]and accumulates to a greater extent than other forms (USGS 2000). zeromercury.org |
这些含甲基汞细菌 可能被食物链中更高的一级吃掉，或者细菌可能 将甲基汞排泄 到水中，浮游生物迅速吸收，同样也会被食物链中更高的遗迹吃掉。 zeromercury.org | These methylmercury-containing bacteria may be consumed by the next higher level in the food chain, or the bacteria may excrete the methylmercury to the water [...] where it can quickly [...]adsorb to plankton, which are also consumed by the next level in the food chain. zeromercury.org |
当然，如果其它所有因子相等，对于消费者，含 有低甲基汞水平的鱼本身就比含较高 甲基汞 水 平 的鱼健康的多（UNEP 2002）。 zeromercury.org | Certainly, [...] fish with low methylmercury levels are intrinsically more healthful for consumers than fish with higher levels of methylmercury, if all other [...]factors are equal (UNEP 2002). zeromercury.org |
至於生育年齡的婦女，甲基汞攝入量則不應超 出暫定每週可容忍攝入量，以確保胎兒的健康。 cfs.gov.hk | In the case of women of childbearing age, intake should not exceed the PTWI, in order to protect the foetus. cfs.gov.hk |
不同品種魚類所含的甲基汞 佔總汞含量的比例由 0.46 至 0.99 不等( 見附件 I)。 cfs.gov.hk | The mean ratios of MeHg to tHg in the different fish species ranged from 0.46 to 0.99 (Annex 1). cfs.gov.hk |
由於以上各種原因，我們有需要研究本港個別可供食 用魚類品種的總汞和甲基汞含量，以便制訂指引，供市民在挑選魚類時 參考。 cfs.gov.hk | In view of the above, it is considered necessary to investigate the levels of tHg and MeHg in the different species of edible fish commonly consumed by the local population so that advice to the public on the selection of fish in the diet can be formulated. cfs.gov.hk |
由於魚體內的汞含量與其品種密切相關，因此，專家委員會認為有 需要蒐集不同地區個別品種魚類的數據，以及比較不同品種魚類所 含甲 基汞佔總汞含量的比例。 cfs.gov.hk | Since the levels of mercury in fish is closely related to their species, JECFA considered a need to gather data for individual fish species from different regions and to compare the levels of MeHg with tHg in the different fish species. cfs.gov.hk |
甲基汞和汞金属蒸汽尤其 有害，因为有更多汞到达脑部。 zeromercury.org | Methyl mercury and mercury [...] metal vapours are especially harmful, because more mercury reaches the brain. zeromercury.org |
總汞和甲基汞的檢測限都是每公斤 2 微克。 cfs.gov.hk | The limit of detection was 2 µg/kg for both tHg and MeHg. cfs.gov.hk |
因此，甲基汞（相 对于无机汞）从一个营养级到下一个更高的营养级有选 择性的富集作用（UNEP [...] 2002）。 zeromercury.org | As a consequence, there is a selective [...] enrichment of methylmercury (relative [...]to inorganic mercury) as one moves from one [...]trophic level to the next higher trophic level (UNEP 2002). zeromercury.org |
妊娠期间暴露于高水平甲基汞的婴 儿中，临床照 片可能无法与其它因素引发的脑瘫区别，主要的模式为头小畸型、反射亢进及明显的运动和智力损伤， [...] 有时还伴随失明和耳聋（Harada，1995；Takeuchi and Eto，1999）。 zeromercury.org | In infants exposed to [...] high levels of methylmercury during pregnancy, [...]the clinical picture may be indistinguishable from [...]cerebral palsy caused by other factors, the main pattern being microcephaly, hyperreflexia, and gross motor and mental impairment, sometimes associated with blindness or deafness (Harada, 1995; Takeuchi and Eto, 1999). zeromercury.org |
此外， 微生物( 尤其是水生系統的微生物) 可把無機汞轉化為甲基汞。 cfs.gov.hk | The inorganic mercury can also be [...] converted to methylated form by microorganisms [...]especially in aquatic systems. cfs.gov.hk |
甲基汞中毒 會對中樞神經系統造成局部破壞， 主要影響感覺功能、視覺和聽覺。 cfs.gov.hk | Damages to the central nervous system are highly localized and affect mostly sensation, vision and hearing. cfs.gov.hk |
另外，暴露于硫柳汞的婴儿，血液中汞的清除比预计 的 甲基汞 的清除要快，婴儿在硫柳汞暴露后大便里会排出大量汞，从而将汞从体内清除出去。 zeromercury.org | Further, mercury was cleared from the blood in infants [...] exposed to thimerosal faster than would [...] be predicted for methyl mercury; infants [...]excreted significant amounts of mercury [...]in stool after thimerosal exposure, thus removing mercury from their bodies. zeromercury.org |
鱼和海产品保留甲基汞， 其中高达 90%可存储在机体组织中。 zeromercury.org | Fish and [...] seafood retain methylmercury, of which up [...]to 90 per cent can be stored in the body's tissues. zeromercury.org |
例如：胎儿对被污染海产品中甲 基汞的暴露，很难用统计学方法量化其究竟会在多大程度上造成神经性行为缺陷，其中 [...] 还包含很多其它环境和遗传因素。 unesdoc.unesco.org | Beginning with a summary of human demographics and the [...] value of coastal ecosystems, this chapter [...] describes a broad spectrum of human activities [...]and related environmental changes, [...]the management of which would benefit from an integrated ocean observing system. unesdoc.unesco.org |
懷孕雌鼠攝入甲基汞後， 流產、胚胎被母體吸收和畸 形的比率增加，仔鼠出生後的存活率亦下降。 cfs.gov.hk | Increased frequencies of abortions, resorptions and malformations, and reduced offspring viability have been observed in pregnant female rodents following treatment with MeHg. cfs.gov.hk |
国家研究委员会在2000 年关于甲基汞的毒 性效应的报告中指出，最高危人群是食用大量鱼和海产品妇女的子女。 zeromercury.org | The National Research Council, in its 2000 report on the [...] toxicological effects of methylmercury, pointed out [...]that the population at highest risk is the [...]offspring of women who consume large amounts of fish and seafood. zeromercury.org |
成人攝入過量甲基汞可能 會行為失常、顫抖、視力改變、失去聽覺、 喪失肌肉協調性及感覺障礙、失憶和智力受損。 cfs.gov.hk | In adults, extreme exposure can lead to personality changes, tremors, changes in vision, deafness, loss of muscle coordination and sensation, memory loss and intellectual impairment. cfs.gov.hk |
结合所有这些因素，对于由水生生 物生产、并累积、滞留的甲基汞， 甲基 化 的 净速度对其数量有强烈影响。 zeromercury.org | When all of these factors are combined, the net methylation rate can strongly influence the amount of methylmercury that is produced and available for accumulation and retention by aquatic organisms. zeromercury.org |
甲基汞在鱼和贝类的组织中会增加，但尤其在肉食性鱼类中，被人类（即其它动物） [...] 食用后可能会导致中毒（DEH 2004）。 zeromercury.org | The methyl mercury will build [...] up in the tissues of fish and shellfish but especially in predatory fish, which may cause [...]poisoning when consumed by humans (and other animals) (DEH 2004). zeromercury.org |
本港食物監察計劃恆常檢測食物中的 總 汞 ， 而 甲基汞 並 非 日常食物 監察計劃的監察項目。 cfs.gov.hk | In Hong Kong under the Food Surveillance Programme, analyses for mercury in food were determined in [...] the form of total mercury but not methylmercury. cfs.gov.hk |
举例来说，有迹象显 示，在小而温暖的湖泊、许多新的淹没地 区 甲基汞 的 形 成增加。 zeromercury.org | For example, there are indications of increased [...] formation of methylmercury in small, warm [...]lakes and in many newly flooded areas. zeromercury.org |
很可能有许多有机汞（如二 甲基汞、苯汞、乙基汞及甲基汞）；但是，到目前为止，在环境中微生物和自然过程产生的最常见的有 机汞化合物是甲基汞（UNEP 2002）。 zeromercury.org | There is a potentially large number of organic mercury compounds (such as [...] dimethylmercury, phenylmercury, [...] ethylmercury and methylmercury); however, by far the most common organic mercury compound that micro-organisms and natural processes generate in the environment is methylmercury (UNEP 2002). zeromercury.org |
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