We report the finding of the Wolitu Pb-Zn deposit in Inner Mongolia, China, through a series of geochemical surveys. The Wolitu area, located in the loess-cover area in the Hure Banner, Tongliao City,Inner Mongolia, a...We report the finding of the Wolitu Pb-Zn deposit in Inner Mongolia, China, through a series of geochemical surveys. The Wolitu area, located in the loess-cover area in the Hure Banner, Tongliao City,Inner Mongolia, and neighboring the Horqin Sandy Land to the north, had no previous history of Pb-Zn mining or record of Pb-Zn mineralization. Our study identified a large Pb-Zn anomaly with potential zones of mineralization by stream sediment survey. Random rock sampling reveals limonitization at sporadic outcrops in the gullies. The high concentrations of Pb in the residual debris provided guidelines to fix the position for exploratory trench. Oxidized concealed orebodies were identified by trenching.Blind orebodies in veins hosted within the structural zone between slates and marbles of the upper Carboniferous Shizuizi Formation and the Permian granite were discovered by drilling. It is computed that the ore reserve may reach up to 540,000 tones with Pb grade of 1.27% and Zn of 1.9%. This case study is an excellent example for identifying potential polymetallic deposits in loess covered terrains using geochemical exploration.展开更多
Rapid weight gain(RWG) in infants is associated with numerous health problems, and its risk factors are still unclear. We assessed 98,097 maternal-infant pairs from a population-based cohort study and followed up with...Rapid weight gain(RWG) in infants is associated with numerous health problems, and its risk factors are still unclear. We assessed 98,097 maternal-infant pairs from a population-based cohort study and followed up with them until the infants were6 months old. We assessed the associations between maternal prepregnancy weight status;gestational weight gain;feeding pattern;and infants’ RWG at 0–1, 0–3, 1–3, and 3–6 months using multivariate unconditional logistic regression models, with controlled confounders. We found that maternal prepregnancy weight status, gestational weight gain, and feeding pattern at the1 st, 3 rd, and 6 th months had significant impacts on the infants’ RWG at each time period(P<0.05). Infants with overweight/obese mothers had a higher risk of RWG after birth, whereas those of mothers who experienced excessive gestational weight gain had higher risks of RWG from birth than the other groups(P<0.01). Infants who were formula-fed had a higher risk of RWG than breastfed infants at the same time point(P<0.01). In conclusion, maternal prepregnancy obesity, excessive gestational weight gain, and formula-feeding were risk factors for infants’ RWG during the first 6 months of life.展开更多
It has been found that lifestyle and diet are associated with the development of cancers.The mortality of breast cancer in Wuhan city is increasing,according to the statistics of recent years.This case control study w...It has been found that lifestyle and diet are associated with the development of cancers.The mortality of breast cancer in Wuhan city is increasing,according to the statistics of recent years.This case control study was aimed to provide data for alimentary therapeutics for breast carcinomas.It included a case group(n 5196)and an age frequency-matched control group(n 5202).A validated food frequency questionnaire was used to obtain information on usual food consumption.The results indicate that intake of soy foods more than 5 times per week was associated with a decreased risk of breast cancer,especially in premenopausal women.The adjusted OR was 0.294[95%CI was(0.158–0.546),P 50.000].Our results indicate that alimentary therapeutics for breast cancer can be adjusted by status of menopause.展开更多
基金granted by the China's National Mineral Resources Investigation Program (Grant No.1212011220598) the Inner Mongolia Mineral Survey Fund(Grant No.KD-05-09)
文摘We report the finding of the Wolitu Pb-Zn deposit in Inner Mongolia, China, through a series of geochemical surveys. The Wolitu area, located in the loess-cover area in the Hure Banner, Tongliao City,Inner Mongolia, and neighboring the Horqin Sandy Land to the north, had no previous history of Pb-Zn mining or record of Pb-Zn mineralization. Our study identified a large Pb-Zn anomaly with potential zones of mineralization by stream sediment survey. Random rock sampling reveals limonitization at sporadic outcrops in the gullies. The high concentrations of Pb in the residual debris provided guidelines to fix the position for exploratory trench. Oxidized concealed orebodies were identified by trenching.Blind orebodies in veins hosted within the structural zone between slates and marbles of the upper Carboniferous Shizuizi Formation and the Permian granite were discovered by drilling. It is computed that the ore reserve may reach up to 540,000 tones with Pb grade of 1.27% and Zn of 1.9%. This case study is an excellent example for identifying potential polymetallic deposits in loess covered terrains using geochemical exploration.
文摘Rapid weight gain(RWG) in infants is associated with numerous health problems, and its risk factors are still unclear. We assessed 98,097 maternal-infant pairs from a population-based cohort study and followed up with them until the infants were6 months old. We assessed the associations between maternal prepregnancy weight status;gestational weight gain;feeding pattern;and infants’ RWG at 0–1, 0–3, 1–3, and 3–6 months using multivariate unconditional logistic regression models, with controlled confounders. We found that maternal prepregnancy weight status, gestational weight gain, and feeding pattern at the1 st, 3 rd, and 6 th months had significant impacts on the infants’ RWG at each time period(P<0.05). Infants with overweight/obese mothers had a higher risk of RWG after birth, whereas those of mothers who experienced excessive gestational weight gain had higher risks of RWG from birth than the other groups(P<0.01). Infants who were formula-fed had a higher risk of RWG than breastfed infants at the same time point(P<0.01). In conclusion, maternal prepregnancy obesity, excessive gestational weight gain, and formula-feeding were risk factors for infants’ RWG during the first 6 months of life.
文摘It has been found that lifestyle and diet are associated with the development of cancers.The mortality of breast cancer in Wuhan city is increasing,according to the statistics of recent years.This case control study was aimed to provide data for alimentary therapeutics for breast carcinomas.It included a case group(n 5196)and an age frequency-matched control group(n 5202).A validated food frequency questionnaire was used to obtain information on usual food consumption.The results indicate that intake of soy foods more than 5 times per week was associated with a decreased risk of breast cancer,especially in premenopausal women.The adjusted OR was 0.294[95%CI was(0.158–0.546),P 50.000].Our results indicate that alimentary therapeutics for breast cancer can be adjusted by status of menopause.
