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occurs in brown rice. The average daily intake dose(ADD) of lead for local adults via three routes reaches up to 7.7 μg/(kg×d), exceeding the provision tolerable daily intake by JECFA of 3.5 μg/(kg×d... dose of cadmium for adults is 0.119 μg/(kg×d). More attention must be paid on health risk from lead pollution compared with cadmium. Key words: average daily intake dose; cadmium; lead; mercury mine......
J. Cent. South Univ. (2020) 27: 2687-2695 DOI: https://doi.org/10.1007/s11771-020-4491-y Intelligent prediction on air intake flow of spark ignition engine by a chaos radial basis function neural... the control of the precision of air-fuel ratio (AFR) of port fuel injection (PFI) spark ignition (SI) engines, a chaos radial basis function (RBF) neural network is used to predict the air intake flow......
. In the frequency range of 600 Hz to 1300 Hz, the average TL is about 12 dB, and some peaks reach as high as 25 dB, e.g. at 950 Hz and 1190 Hz. Actually, the designed perforated intake pipe matches.... With the help of the perforated intake pipe, the average IL could reach as high as 3.5 dB(A). Especially when the engine speed is 3200 r/min, the IL is as high as 7 dB(A). As a result, the designed......
concentration, TVOCs dose and CRP index is shown in Fig.4. Fig.4(a) shows that average emission rate falls down with the decrease of human motion speed u1. After every periodical human motion... speeds. 4.3 Effect of diffusion coefficient Fig.5 illustrates the effect of coefficient D0 on average emission rate, inhalation concentration, inhalation dose and CRP index. From Fig.5(a), average......
; 文章编号:1672-7207(2013)11-4611-06 Daily temperature difference of concrete double T beam in permafrost regions along Qinghai-Tibet railway ZHANG Xiangmin1, 2, GAO Liang1, ZENG Zhiping2, GAO...-Tibet Railway Company, Xining 810007, China) Abstract: A set of on-the-spot test and theoretical analysis in daily temperature difference of concrete double T beam in permafrost regions of Qinghai-Tibet......
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the average combustion temperature in the combustion chamber, resulting in the brake thermal efficiency to reduce. Fig. 6 Variation of brake thermal efficiency with different EGR flow rates at constant intake...J. Cent. South Univ. (2012) 19: 1346-1352 DOI: 10.1007/s11771-012-1148-5 Effect of exhaust gas recirculation and intake pre-heating on performance and emission characteristics of dual fuel......
J. Cent. South Univ. Technol. (2009) 16: 0399-0404 DOI: 10.1007/s11771-009-0067-6 Average cluster sizes and cluster size distributions of superfine nickel particles in light media LI Jing...; Abstract: Effects of shear rates on average cluster sizes (ACSs) and cluster size......
Effect of Ion Dose on Growth of Relaxed SiGe Layer on Ion Implantation Si Substrate CAO Jianqing1,HUANG Wentao2,Xiong Xiaoyi2,Dou Weizhi2,Zhang Wei2,TSIEN Peihsin2,Liu Zhihong2,CHEN Changchun2... Si0.8Ge0.2 films (57.6 nm) on the 30 keV Ar+ ion implantation Si substrates for different dose (1 × 1014, 5 × 1014, 3 × 1015 cm-2) were grown by ultra high vacuum chemical vapor deposition (UHVCVD......
greater than the USEPA (2009) threshold limit value of 10-4. Moreover, human non-carcinogenic and carcinogenic risks are mainly attributable to paddy rice intake, followed by vegetables intake, soil... rice; dietary intake......
