The Baotou Iron and Steel Company(BISCO) is located at Baotou,830 kilometerswest of Beijing,in the Inner MongoliaAutonomous Region.The ore deposit atBaiyun’ebo,on which the company is based,was discovered by geologis...The Baotou Iron and Steel Company(BISCO) is located at Baotou,830 kilometerswest of Beijing,in the Inner MongoliaAutonomous Region.The ore deposit atBaiyun’ebo,on which the company is based,was discovered by geologist DING Daohengin 1927 and was later found to be rich inrare earth elements.An extensive prospecting campaignwas launched after the founding of the展开更多
Baotou RE concentrate was decomposed with concentrated sulfuric acid by controlling the roasting temperature below 500℃.Thermogravimetry-differential thermal analysis（TG-DTA） and chemical analytical methods were us...Baotou RE concentrate was decomposed with concentrated sulfuric acid by controlling the roasting temperature below 500℃.Thermogravimetry-differential thermal analysis（TG-DTA） and chemical analytical methods were used to study the thermal decomposition process and the thermal decomposition effect.The Freeman-Carroll method was applied to analyze the TG-DTA curves.The activation energy, reaction order, and reaction frequency factor at different stages were calculated.The Satava method was used to deduce the reaction mechanism and the relative reaction rate during the thermal decomposition process.展开更多
The national Air Pollution Prevention and Control Action Plan required significant decreases in PM_（2.5） levels over China.To explore more effective emission abatement strategies in industrial cities,a case study wa...The national Air Pollution Prevention and Control Action Plan required significant decreases in PM_（2.5） levels over China.To explore more effective emission abatement strategies in industrial cities,a case study was conducted in Baotou to evaluate the current national control measures.The total emissions of SO_2,NO_X,PM_（2.5） and NMVOC（non-methane volatile organic compounds） in Baotou were 211.2 Gg,156.1 Gg,28.8 Gg,and 48.5 Gg,respectively in 2013,and they would experience a reduction of 30.4%,26.6%,15.1%,and 8.7%,respectively in 2017 and 39.0%,32.0%,24.4%,and 12.9%,respectively in2020.The SO_2,NO_Xand PM_（2.5） emissions from the industrial sector would experience a greater decrease,with reductions of 37%,32.7 and 24.3%,respectively.From 2013 to 2020,the concentrations of SO_2,NO_2,and PM_（2.5） are expected to decline by approximately 30%,10% and 14.5%,respectively.The reduction rate of SNA（sulfate,nitrate and ammonium）concentrations was significantly higher than that of PM_（2.5） in 2017,implying that the current key strategy toward controlling air pollutants from the industrial sector is more powerful for SNA.Although air pollution control measures implemented in the industrial sector could greatly reduce total emissions,constraining the emissions from lower sources such as residential coal combustion would be more effective in decreasing the concentration of PM_（2.5） from 2017 to 2020.These results suggest that even for a typical industrial city,the reduction of PM_（2.5） concentrations not only requires decreases in emissions from the industrial sector,but also from the low emission sources.The seasonal variation in sulfate concentration also showed that emission from coal-burning is the key factor to control during the heating season.展开更多
With the continuous advancement of"the Belt and Road", the translation of traffic signs more reflects the urban civi?lization of Baotou than influences the travel quality of foreigners. On the basis of the c...With the continuous advancement of"the Belt and Road", the translation of traffic signs more reflects the urban civi?lization of Baotou than influences the travel quality of foreigners. On the basis of the current research status of traffic signs transla?tion at home and abroad, this paper mainly analyzes the English translation of traffic signs in Baotou by reviewing literature and collecting information, so as to come up with reasonable translation strategies and accurate translation texts, which is beneficial to better promote the construction of Baotou civilization, and enhance the foreign exchange and development of the city.展开更多
Economic Globalization makes the internationalization of higher vocational education an inevitable trend.However,there are some problems with the international cooperation of Baotou’s higher vocational schools.This p...Economic Globalization makes the internationalization of higher vocational education an inevitable trend.However,there are some problems with the international cooperation of Baotou’s higher vocational schools.This paper analyzes the effective modes of the international cooperation of the Higher Vocational Colleges in Baotou from the perspective of the foreign language proficiency of teachers and students,the construction of teaching staff,the cooperation between schools and enterprises,the investment of funds,the renewal of ideas,and the Sino-foreign cooperation in running schools.展开更多
Nowadays, many countries and regions use the human resources development as the major approach in holding the initiative in competition. The Baotou Rare Earth High-tech Area implements the strategies for revitalizing ...Nowadays, many countries and regions use the human resources development as the major approach in holding the initiative in competition. The Baotou Rare Earth High-tech Area implements the strategies for revitalizing the area through establishing science and education learning organization and developing the entire learning in Management Committee. In accordance with the fundamental of mathematics ＂The arithmetical mean is equal to or larger than its geometric mean to any positive real number＂, it submits ＂the theoretical model of proportional development advantage of the same element in the same level＂ in order to solve ＂the problem that a few people behind in the department block the development of the High-tech Area＂, realize every member＇s common progress and each department＇s proportional development, and finally make the effect of Rare Earth High-tech maximum by strengthening team cooperation and producing a multiplier effect.展开更多
Objective:To investigate the relationship of iodine nutritional status with thyroid function in pregnant women in Baotou,and provide a scientific basis for the guide of reasonable iodine supplementation.Methods:By use...Objective:To investigate the relationship of iodine nutritional status with thyroid function in pregnant women in Baotou,and provide a scientific basis for the guide of reasonable iodine supplementation.Methods:By use of As-Ce catalysis spectrophotometry,the urinary iodine concentration was determined in 90 women during different periods of pregnancy admitted to Baogang Hospital of Inner Mongolia from January 2017 to December 2017.The determination of thyroid function and the autoantibody level was carried out by electro-chemiluminescence immunoassay(ECLIA).Results:In the early trimester of pregnancy,pregnant women with iodine deficiency,iodine sufficiency and iodine excess accounted for 36.67%,40.00%and 23.33%respectively;in the middle trimester of pregnancy,they accounted for 66.67%,26.67%and 6.66%respectively;they made up 40.00%,40.00%and 20.00%respectively in the late trimester of pregnancy.The rate of iodine deficiency in women in the middle trimester of pregnancy was significantly higher than that in women in the early and the late trimesters of pregnancy respectively,and the difference was statistically significant(p<0.05).The rate of iodine deficiency in pregnant women was positively correlated to the positivity of thyroid peroxidase antibody.Moreover,it had no relationship with the positivity of thyroglobulin antibody.No matter in the pregnant women with iodine deficiency or with iodine excess,the abnormality rate of thyroid function and autoantibodies was significantly higher than that in the pregnant women with iodine sufficiency.The difference was statistically significant(p<0.05).Conclusions:The iodine deficiency in the women in the middle trimester of pregnancy is more severe than that in the women in the early and the late trimesters of pregnancy.Iodine deficiency during pregnancy is positively correlated with the positivity of thyroid peroxidase antibody.Pregnant women with iodine deficiency and iodine excess show a higher abnormality rate of thyroid function and autoantibodies.It is recommended to advocate health education on iodine nutrition to pregnant women,and conduct the dynamic monitoring of urinary iodine concentration and the screening of thyroid function and autoantibodies during pregnancy.展开更多
文摘The Baotou Iron and Steel Company(BISCO) is located at Baotou,830 kilometerswest of Beijing,in the Inner MongoliaAutonomous Region.The ore deposit atBaiyun’ebo,on which the company is based,was discovered by geologist DING Daohengin 1927 and was later found to be rich inrare earth elements.An extensive prospecting campaignwas launched after the founding of the
基金supported by the National Natural Science Foundation of China (No. 20877008)the Program for New Century Excellent Telents in University of the Ministry of Education of China (No. 20407003)
文摘Baotou RE concentrate was decomposed with concentrated sulfuric acid by controlling the roasting temperature below 500℃.Thermogravimetry-differential thermal analysis（TG-DTA） and chemical analytical methods were used to study the thermal decomposition process and the thermal decomposition effect.The Freeman-Carroll method was applied to analyze the TG-DTA curves.The activation energy, reaction order, and reaction frequency factor at different stages were calculated.The Satava method was used to deduce the reaction mechanism and the relative reaction rate during the thermal decomposition process.
基金supported by the Special Scientific Research Fund of the Environmental Protection Commonwealth Section(Nos.201409003,201509020)
文摘The national Air Pollution Prevention and Control Action Plan required significant decreases in PM_（2.5） levels over China.To explore more effective emission abatement strategies in industrial cities,a case study was conducted in Baotou to evaluate the current national control measures.The total emissions of SO_2,NO_X,PM_（2.5） and NMVOC（non-methane volatile organic compounds） in Baotou were 211.2 Gg,156.1 Gg,28.8 Gg,and 48.5 Gg,respectively in 2013,and they would experience a reduction of 30.4%,26.6%,15.1%,and 8.7%,respectively in 2017 and 39.0%,32.0%,24.4%,and 12.9%,respectively in2020.The SO_2,NO_Xand PM_（2.5） emissions from the industrial sector would experience a greater decrease,with reductions of 37%,32.7 and 24.3%,respectively.From 2013 to 2020,the concentrations of SO_2,NO_2,and PM_（2.5） are expected to decline by approximately 30%,10% and 14.5%,respectively.The reduction rate of SNA（sulfate,nitrate and ammonium）concentrations was significantly higher than that of PM_（2.5） in 2017,implying that the current key strategy toward controlling air pollutants from the industrial sector is more powerful for SNA.Although air pollution control measures implemented in the industrial sector could greatly reduce total emissions,constraining the emissions from lower sources such as residential coal combustion would be more effective in decreasing the concentration of PM_（2.5） from 2017 to 2020.These results suggest that even for a typical industrial city,the reduction of PM_（2.5） concentrations not only requires decreases in emissions from the industrial sector,but also from the low emission sources.The seasonal variation in sulfate concentration also showed that emission from coal-burning is the key factor to control during the heating season.
文摘With the continuous advancement of"the Belt and Road", the translation of traffic signs more reflects the urban civi?lization of Baotou than influences the travel quality of foreigners. On the basis of the current research status of traffic signs transla?tion at home and abroad, this paper mainly analyzes the English translation of traffic signs in Baotou by reviewing literature and collecting information, so as to come up with reasonable translation strategies and accurate translation texts, which is beneficial to better promote the construction of Baotou civilization, and enhance the foreign exchange and development of the city.
基金This Research Project Belongs to Planning Issues of Philosophic and Social Sciences in Baotou.
文摘Economic Globalization makes the internationalization of higher vocational education an inevitable trend.However,there are some problems with the international cooperation of Baotou’s higher vocational schools.This paper analyzes the effective modes of the international cooperation of the Higher Vocational Colleges in Baotou from the perspective of the foreign language proficiency of teachers and students,the construction of teaching staff,the cooperation between schools and enterprises,the investment of funds,the renewal of ideas,and the Sino-foreign cooperation in running schools.
文摘Nowadays, many countries and regions use the human resources development as the major approach in holding the initiative in competition. The Baotou Rare Earth High-tech Area implements the strategies for revitalizing the area through establishing science and education learning organization and developing the entire learning in Management Committee. In accordance with the fundamental of mathematics ＂The arithmetical mean is equal to or larger than its geometric mean to any positive real number＂, it submits ＂the theoretical model of proportional development advantage of the same element in the same level＂ in order to solve ＂the problem that a few people behind in the department block the development of the High-tech Area＂, realize every member＇s common progress and each department＇s proportional development, and finally make the effect of Rare Earth High-tech maximum by strengthening team cooperation and producing a multiplier effect.
文摘Objective:To investigate the relationship of iodine nutritional status with thyroid function in pregnant women in Baotou,and provide a scientific basis for the guide of reasonable iodine supplementation.Methods:By use of As-Ce catalysis spectrophotometry,the urinary iodine concentration was determined in 90 women during different periods of pregnancy admitted to Baogang Hospital of Inner Mongolia from January 2017 to December 2017.The determination of thyroid function and the autoantibody level was carried out by electro-chemiluminescence immunoassay(ECLIA).Results:In the early trimester of pregnancy,pregnant women with iodine deficiency,iodine sufficiency and iodine excess accounted for 36.67%,40.00%and 23.33%respectively;in the middle trimester of pregnancy,they accounted for 66.67%,26.67%and 6.66%respectively;they made up 40.00%,40.00%and 20.00%respectively in the late trimester of pregnancy.The rate of iodine deficiency in women in the middle trimester of pregnancy was significantly higher than that in women in the early and the late trimesters of pregnancy respectively,and the difference was statistically significant(p<0.05).The rate of iodine deficiency in pregnant women was positively correlated to the positivity of thyroid peroxidase antibody.Moreover,it had no relationship with the positivity of thyroglobulin antibody.No matter in the pregnant women with iodine deficiency or with iodine excess,the abnormality rate of thyroid function and autoantibodies was significantly higher than that in the pregnant women with iodine sufficiency.The difference was statistically significant(p<0.05).Conclusions:The iodine deficiency in the women in the middle trimester of pregnancy is more severe than that in the women in the early and the late trimesters of pregnancy.Iodine deficiency during pregnancy is positively correlated with the positivity of thyroid peroxidase antibody.Pregnant women with iodine deficiency and iodine excess show a higher abnormality rate of thyroid function and autoantibodies.It is recommended to advocate health education on iodine nutrition to pregnant women,and conduct the dynamic monitoring of urinary iodine concentration and the screening of thyroid function and autoantibodies during pregnancy.
