Synthesis and Crystal Structure of a New Mestranol Acetate

Li, Hongqi; Qian, Haichuan; Li, Jinxing; Ma, Shuwen

doi:10.1007/s10870-011-0074-y

Cited by 4 publications

(7 citation statements)

References 12 publications

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“…30 Rings B and C had chair conformations, and ring D adopted envelope conformation. 31 Unlike NET-AC, 32 NET-EN was arranged without intramolecular and intermolecular H bonding. From the comparison of the bond lengths ( Å) and angles ( ) of NET-EN and NET-AC (Table 2), the bond lengths of ethynyl residues C(6)-C( 14) and C( 7…”

Section: Single-crystal X-ray Diffractionmentioning

confidence: 99%

Insights into the fatty acid ester norethisterone enanthate binding to human albumin: fluorescence, circular dichroism, and docking investigations

Wang

et al. 2015

RSC Adv.

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Section: Single-crystal X-ray Diffractionmentioning

confidence: 99%

Insights into the fatty acid ester norethisterone enanthate binding to human albumin: fluorescence, circular dichroism, and docking investigations

Wang

et al. 2015

RSC Adv.

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“…where, qj is quality rating scale for each parameter, ωj is entropy weight of each index. It can be calculated as per the processes introduced by Li et al 7,11 .Groundwater may be classified into five ranks ranging from "excellent water" to "extremely poor water". The classification is listed in Table-1.…”

Section: Legendmentioning

confidence: 99%

“…In addition, nitrate pollution caused by agricultural activities has also been widely reported in many parts of China 2-6 . All these reports have indicated that China faces a serious situation of groundwater pollution.These years, many water quality assessment methods have been proposed 7,8 . Water quality index (WQI) is a relatively easy tool and it has been widely used all over the world for the quality assessment of groundwater and surface water.…”

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Environmental Chemistry of Groundwater Near an Industrial Area, Northwest China

Wu¹,

Li²,

Qian³

2013

Asian J. Chem.

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Groundwater is a vital source of domestic, industrial, agricultural uses in arid areas where precipitation and fresh surface water are limited.With the rapid development of industry and population growth in developing countries like China, human activity induced groundwater over-exploitation and pollution have become more and more serious. It is reported that there are as many as 2.8 million wells in China 1 and the heavy groundwater extraction has caused many problems such as groundwater level drop, salt water intrusion, ground surface depression, etc. In addition, nitrate pollution caused by agricultural activities has also been widely reported in many parts of China 2-6 . All these reports have indicated that China faces a serious situation of groundwater pollution.These years, many water quality assessment methods have been proposed 7,8 . Water quality index (WQI) is a relatively easy tool and it has been widely used all over the world for the quality assessment of groundwater and surface water. Bordalo et al. 9 used a modified nine-parameter Scottish water quality index to assess the monthly water quality of the Douro river, an internationally shared river, during a 10-year period (1992)(1993)(1994)(1995)(1996)(1997)(1998)(1999)(2000)(2001), while Chaturvedi et al. 10 assessed the groundwater quality near an industrial area of Balrampur city, India.Zhongning Shikong industrial area is located in the north bank of the Yellow river, Zhongning County, covering an area of 54 km 2 . There are several metal smelting plants in this area such as Ningxia Tianyuan Manganese Company Limited

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“…Groundwater is an important resource for domestic, agricultural, industrial and ecological uses in many parts of the world, especially in arid and semi-arid areas where available surface water is limited 1,2 . However, due to rapid expansion of urbanization and population, groundwater is heavily abstracted and influenced by human activities 3 , causing many ecological and environmental problems, such as soil salinization, groundwater quality deterioration, land subsidence and land desertification. Agricultural activities, especially when they are not managed scientifically, can impose significant influences on shallow groundwater dynamics and groundwater quality, resulting in the variations of hydrogeochemical characteristics.…”

Section: Introductionmentioning

confidence: 99%

Variations of Hydrogeochemical Characteristics of Shallow Groundwater Caused by Agricultural Activities

Wu¹,

Li²,

Qian³

2013

Asian J. Chem.

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To investigate the variations of hydrogeochemical parameters of shallow groundwater forced by agricultural irrigation in Nanshantaizi area, 56 water samples were collected in two different periods. The major physio-chemical parameters of samples of the two periods were analyzed and compared spatiotemporally and the groundwater chemistry evolution was also discussed. The study shows that most major ions in 2012 have higher concentrations than those in 2010 and shallow groundwater quality in the study area has deteriorated. All major ions show a sharp increase during the infiltration process of irrigation water because of the dissolution of salts contained in soil media. Along groundwater flow path, two parameter variation patterns can be observed because of different reactions or processes dominated in different sections. Groundwater quality deterioration calls for a change in current irrigation pattern.

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Synthesis and Crystal Structure of a New Mestranol Acetate

Cited by 4 publications

References 12 publications

Insights into the fatty acid ester norethisterone enanthate binding to human albumin: fluorescence, circular dichroism, and docking investigations

Insights into the fatty acid ester norethisterone enanthate binding to human albumin: fluorescence, circular dichroism, and docking investigations

Environmental Chemistry of Groundwater Near an Industrial Area, Northwest China

Variations of Hydrogeochemical Characteristics of Shallow Groundwater Caused by Agricultural Activities

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