A major advance was the differentiation between FA-induced DNA damage from the (normal) endogenous FA (CH2O) level in blood and tissue and from the inhaled (exogenous) FA, using isotope-labelled FA (13CD2O) for the airborne exposure; exposure in rats was to 10 ppm labelled FA for 1 or ...
Although people who inject drugs (PWID) are at high risk of acquiring HIV, knowledge and uptake of pre-exposure prophylaxis (PrEP) for HIV prevention among this population remain low due to numerous psychosocial and structural barriers. Multiple implementation strategies have been proposed to address...
People who live, hunt or fish near bird coloniesneed to be careful, the researchers say, The birds don’t mean to cause harm, but the chemicals they carry can cause major problems. 出自-2016年12月听力原文 Its primary mission is to enhance human well-being and help meet the basic needs ...
GESAMP (IMO/FAO/UNESCO-IOC/WMO/WHO/IAEA/UN/UNEP Joint Group of Experts on the Scientific Aspects of Marine Environmental Protection). Towards safe and effective use of chemicals in coastal aquaculture. Reports and Studies, GESAMP. No. 65. Rome, FAO. 1997. 40 p. Chemicals used within the ...
aperformance of the systen suitability test,sst and checking the calibration 表现systen适合测试, sst和检查定标[translate] aJB ROTTERDAM JB鹿特丹[translate] aKemira Chemicals(shanghai)Co.,Ltd Kemira化学制品(上海) Co.,有限公司[translate] aMainly building materials, right? 正在翻译,请等待... ...
Mr. Stapleton says safety was the company's main concern when developing the Hoverbike. He ays the designers solved the safety issue by using overlapping rotors (折叠旋翼) to power the vehicle. The company is testing both a one-third size model and a full-size prototype (原型) of the Hove...
Thirty years ago, the prevailing thought was that low levels of certain brain chemicals, such as serotonin, caused depression. Boosting those could remove symptoms. “I felt that depression needed months or weeks of treatment — that the plastic changes involved in the healing process would require...
aThe fact that these chemicals are being formed is, to me, a cause for concern," Blatchley said. "A lot of this chemistry is just not known, and we need to do a better job at defining that chemistry." 事实这些化学制品被形成是,对我,令人担心的事, “Blatchley说。 “很多这化学就是不被...
~ Tim Latimer describing the Doctor “When you run with the Doctor, it feels like it'll never end. But however hard you try you can't run forever. Everybody knows that everybody dies and nobody knows it like the Doctor. But I do think that all the skies of all the worlds might ...
structure of food crops has been debated for some time. Critics of genetically engineered crops believe they can harm people. The scientific team says further testing is needed to ensure that the genetic engineering process does not produce any additional chemicals that could be dangerous to people...