Since the 1990s,there has been a strong interest across the environmental science community in characterizing the threats to human health posed by emerging contaminants.Much of this research has focused on pharmaceuti...Since the 1990s,there has been a strong interest across the environmental science community in characterizing the threats to human health posed by emerging contaminants.Much of this research has focused on pharmaceuticals and personal care products in Europe and North America.However,the range of chemicals evaluated has expanded dramatically over the past three decades.展开更多
Epigenetics concerns non-DNA sequence dependent mechanisms through which cross-mitosis （and meiosis） transmission of committed gene expression pattern in high eukaryotes is achieved. The fact that cells with identic...Epigenetics concerns non-DNA sequence dependent mechanisms through which cross-mitosis （and meiosis） transmission of committed gene expression pattern in high eukaryotes is achieved. The fact that cells with identical genome can have plentiful phenotypic choices suggests a decisive role of epigenetic regulation in selective gene expression and therefore the biological activities at a cell type-specific manner in multi-cellular organisms. In addition to covalent chemical modifications of DNA and the core histones,展开更多
The experience of the mankind in studying the planet of our own, is long and the progress is accelerated. From the numerous geographic adventures organized in the past thousand years came only the brief knowledge of t...The experience of the mankind in studying the planet of our own, is long and the progress is accelerated. From the numerous geographic adventures organized in the past thousand years came only the brief knowledge of the outline of the land and ocean; with the scientific explorations and topographic mapping activities done in the 300-plus years that followed, only about 30% of the land got mapped. But things have been changed greatly since the beginning of the century, when the air planes were put into use for mapping: up to 1950’s, the mapped areas had gone up to 70%; From 1957, a series of resource and environment satellites have been launched one after another,observing the globe, giving coverage of it and providing endlessly varieties of information about the seas and the lands day and night.展开更多
'The G20 Summit will be held in Hangzhou during September 4-5,with China to play host for the first time.The B20 Summit will be held one day prior to the G20 Summit.We will invite Chinese president Xi Jinping to a...'The G20 Summit will be held in Hangzhou during September 4-5,with China to play host for the first time.The B20 Summit will be held one day prior to the G20 Summit.We will invite Chinese president Xi Jinping to attend the opening ceremony of the B20 Summit and deliver a keynote speech.We will also invite G20 leaders to attend the plenary session of B20,展开更多
China will continue to promote entrepre-neurship and innovation by creating a favorable environment for startups, offering fiscal support and strengthening international cooperation, a government official said.
It is an advertisement. An old granny has prepared a tableful of dishes, waiting for her sons and daughters to come back home to enjoy. But, one after another, her sons and daughters called back, saying that they are ...It is an advertisement. An old granny has prepared a tableful of dishes, waiting for her sons and daughters to come back home to enjoy. But, one after another, her sons and daughters called back, saying that they are unable to return home, because either of working overtime or dining out with friends. The old woman is so tired that she has fallen fast asleep by the table against a background of a grandmother clock ticking away.展开更多
The fight against corruption has been one of the top priorities of the Com- munist Party of China （CPC）. Adel Sabry vice chief editor of the Egyptian news- paper AI-Wafd, discussed his perspec- tive on the CPC＇s fi...The fight against corruption has been one of the top priorities of the Com- munist Party of China （CPC）. Adel Sabry vice chief editor of the Egyptian news- paper AI-Wafd, discussed his perspec- tive on the CPC＇s fight against corrup- tion. His views are as follows：展开更多
The admission of this art form to the UNESCO Heritage List will boost protection of this national treasure PEKING Opera was recently inscribed on UNESCO’s Representative List of the Intangible Cultural Heritage of Hu...The admission of this art form to the UNESCO Heritage List will boost protection of this national treasure PEKING Opera was recently inscribed on UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity.The decision was made during the fifth session of UNESCO’s Inter-governmental Committee for the Safeguarding of the Intangible Cultural Heritage held at the end of last year in Nairobi,Kenya. At the session,the committee examined 47 nominations from 29展开更多
Preliminary year-end 2008 figures for Italy’s textile machinery industry register a 18% drop in production compared to the previous year,with a total production value estimated at 2,285 billion Euros.This decline aff...Preliminary year-end 2008 figures for Italy’s textile machinery industry register a 18% drop in production compared to the previous year,with a total production value estimated at 2,285 billion Euros.This decline affects both Italy’s domestic market and export sales.展开更多
ISO International Standards constitute a toolbox not only for the environmental integrity of the planet,but also for economic growthand social equity-in other words,for all three dimensions ofsustainable development.
Margaret Chan takes office on 4 January 2007 as Director-General of the World Health Organization. She was appointed to the post by the World Health Assembly on 9 November 2006. Dr Chan＇s term will run until the end ...Margaret Chan takes office on 4 January 2007 as Director-General of the World Health Organization. She was appointed to the post by the World Health Assembly on 9 November 2006. Dr Chan＇s term will run until the end of June 2012. Previously, she was WHO Assistant Director-General for Communicable Diseases as well as Representative of the Director-General for Pandemic Influenza.展开更多
文摘Since the 1990s,there has been a strong interest across the environmental science community in characterizing the threats to human health posed by emerging contaminants.Much of this research has focused on pharmaceuticals and personal care products in Europe and North America.However,the range of chemicals evaluated has expanded dramatically over the past three decades.
文摘Epigenetics concerns non-DNA sequence dependent mechanisms through which cross-mitosis （and meiosis） transmission of committed gene expression pattern in high eukaryotes is achieved. The fact that cells with identical genome can have plentiful phenotypic choices suggests a decisive role of epigenetic regulation in selective gene expression and therefore the biological activities at a cell type-specific manner in multi-cellular organisms. In addition to covalent chemical modifications of DNA and the core histones,
文摘The experience of the mankind in studying the planet of our own, is long and the progress is accelerated. From the numerous geographic adventures organized in the past thousand years came only the brief knowledge of the outline of the land and ocean; with the scientific explorations and topographic mapping activities done in the 300-plus years that followed, only about 30% of the land got mapped. But things have been changed greatly since the beginning of the century, when the air planes were put into use for mapping: up to 1950’s, the mapped areas had gone up to 70%; From 1957, a series of resource and environment satellites have been launched one after another,observing the globe, giving coverage of it and providing endlessly varieties of information about the seas and the lands day and night.
文摘'The G20 Summit will be held in Hangzhou during September 4-5,with China to play host for the first time.The B20 Summit will be held one day prior to the G20 Summit.We will invite Chinese president Xi Jinping to attend the opening ceremony of the B20 Summit and deliver a keynote speech.We will also invite G20 leaders to attend the plenary session of B20,
文摘China will continue to promote entrepre-neurship and innovation by creating a favorable environment for startups, offering fiscal support and strengthening international cooperation, a government official said.
文摘It is an advertisement. An old granny has prepared a tableful of dishes, waiting for her sons and daughters to come back home to enjoy. But, one after another, her sons and daughters called back, saying that they are unable to return home, because either of working overtime or dining out with friends. The old woman is so tired that she has fallen fast asleep by the table against a background of a grandmother clock ticking away.
文摘The fight against corruption has been one of the top priorities of the Com- munist Party of China （CPC）. Adel Sabry vice chief editor of the Egyptian news- paper AI-Wafd, discussed his perspec- tive on the CPC＇s fight against corrup- tion. His views are as follows：
文摘The admission of this art form to the UNESCO Heritage List will boost protection of this national treasure PEKING Opera was recently inscribed on UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity.The decision was made during the fifth session of UNESCO’s Inter-governmental Committee for the Safeguarding of the Intangible Cultural Heritage held at the end of last year in Nairobi,Kenya. At the session,the committee examined 47 nominations from 29
文摘Preliminary year-end 2008 figures for Italy’s textile machinery industry register a 18% drop in production compared to the previous year,with a total production value estimated at 2,285 billion Euros.This decline affects both Italy’s domestic market and export sales.
文摘ISO International Standards constitute a toolbox not only for the environmental integrity of the planet,but also for economic growthand social equity-in other words,for all three dimensions ofsustainable development.
文摘Margaret Chan takes office on 4 January 2007 as Director-General of the World Health Organization. She was appointed to the post by the World Health Assembly on 9 November 2006. Dr Chan＇s term will run until the end of June 2012. Previously, she was WHO Assistant Director-General for Communicable Diseases as well as Representative of the Director-General for Pandemic Influenza.
