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对映异位
在分子中,两个构造相同的原子或基团中的一个被另一个新的原子或基团取代,生成一对对映异构体时,原先两个原子或基团所处的位置关系。或者一个分子中的双键(包括羰基)被两个原子或基团加成后,生成一对对映异构体时,双键的两个面的位置关系。
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对映异位[的]
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Provisional Regulations on Higher Education Institutions Directly Under the Ministry of Education (Draft)
Provisional Regulations on Special Education School
Provisional Regulations on the Setup of Ordinary Institutions of Higher Learning
provisional sewing technology
provisional tolerable daily intake
provisional township system in Jiangsu
provisional value
provisional weight
provision coverage ratio
Provisions for the Protection of Personal Information of Telecommunications and Internet Users
Provisions of Oxford
Provisions of the Chinese Communist Party Regarding On-Site Inspections
Provisions of the Ministry of Public Security on Handling the Transfer of Household Registration (Draft)
Provisions of the Political Bureau of the Central Committee of the Communist Party of China on Improving Work Styles and Keeping Close Contact with the Masses
Provisions of the State Council on Investigation for Administrative Responsibility for Extraordinarily Serious Safety Accidents
Provisions on Administration of Qualification Standards for Entities Preparing Urban and Rural Plans
Provisions on Administration of Urban Underground Space
Provisions on Development and Construction in Contiguous Areas of Jinshanmeng of Water and Soil Conservation
provisions on health protection for military training
provisions on lightning protection devices for on-site mechanical equipment
Provisions on Management of Satellite Television and Broadcasting Earth Receiving Facilities
Provisions on the Administration of Amusement Parks
Provisions on the Administration of Anti-Disaster Fortifications for Municipal Utilities
Provisions on the Administration of Archival Filing of Export Food Production Enterprises
provisions on the administration of qualifications of urban and rural planning units
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