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| 1 | Crude oil mobility and its controlling factors in tight sand reservoirs in northern Songliao Basin, East China显示文摘Taking tight oil in Gaotaizi and Fuyu oil layers of the Upper Cretaceous Qingshankou Formation in northern Songliao Basin as an example, based on analyses of nuclear magnetic resonance and high pressure mercury injection, experiment methods of supercritical carbon dioxide displacement and extraction are firstly employed to quantify crude oil mobility in tight sand reservoirs with different lithologies and oil contents. The results show that, under the conditions of simulating the Cretaceous Qingshankou Formation in the northern Songliao Basin at a temperature of 76-89 °C and a pressure of 35-42 MPa, the lower limit of the porosity of the movable oil is4.4%, and the lower limit of the permeability is 0.015′10-3 mm2. The lower limit of the average pore throat radius is 21 nm. On this basis,a classification standard for three types of tight sand reservoirs is proposed. Type I reservoirs are characterized by the movable fluid saturation larger than 40%, the movable oil ratio(ratio of movable oil to total oil) greater than 30% and the starting pressure gradient in the range of 0.3-0.6 MPa/m; Type II reservoirs are characterized by the movable fluid saturation in the range of 10%–40%, the movable oil ratio in the range of 5%–30% and the starting pressure gradient in the range of 0.6–1.0 MPa/m; Type III reservoirs are characterized by the movable fluid saturation less than 10% in general, the movable oil ratio less than 5%, and the starting pressure gradient greater than1.0 MPa/m. The fluid mobility in tight sand reservoirs is mainly affected by diagenesis and sedimentary environment. Reservoirs with depth lower than 2000 m are dominated by type I reservoir, whereas those with greater depth are dominated by type I and II reservoirs.Reservoirs in inner delta-front facies are dominated by type I reservoir, whereas those in outer delta-front facies and shore-shallow lacustrine facies are dominated by type II and III reservoirs. | FENG Jun ZHANG Bowei FENG Zihui WANG Yachun ZHANG Juhe FU Xiaofei SUN Yonghe HUO Qiuli SHAO Hongmei ZENG Huasen QU Bin CHI Huanyuan | 2019 | Petroleum Exploration and Development2019，46，2： | 1 |
| 2 | REDISCOVERING THE CITY'S REVOLUTIONARY HERITAGE SITES显示文摘Since March 2020,Bejing has been implementinga plan for protecting and utilising 31 sites of early Communist Party of China(CPC)revolutionary activities in Beijing,including the Red Building of Peking University.These efforts were made in anticipation of the celebration of the 10oth anniversary of the founding of the CPC.On June 25,President Xi Jinping led members of the Political Bureau of the CPC Central Committee to visit the Red Building of Peking University,marking the opening of all 31 revolutionary heritage sites to the public after a range of renovations. | Wang Wei Brad Green Hu Shengli Qu Bowei | 2021 | Beijing2021，，27： | 0 |
| 3 | THE CITY'S BOOMING TRADE AND SERVICE INDUSTRIES显示文摘Recently,the Publicity Department oftheCommunist Party of China(CPC)Bejing Municipal Committee organised a pressconference on the building of the China(Beijing)Pilot Free Trade Zone and Integrated National Demonstration Zone for Opening Up the Service Sector('Two Zones').This came during a series of several pressconferences celebrating the 10oth anniversary of the founding of the CPC.Officials from the Bejing,Municipal Commerce Bureau,related departments of Haidian and Tongzhou districts。 | Rebecca Lou Brad Green Qu Bowei | 2021 | Beijing2021，，27： | 0 |
| 4 | Laser-Induced Recoverable Fluorescence Quenching of Perovskite Films at a Microscopic Grain Scale显示文摘Understanding the fundamental properties of metal-halide perovskite materials is driving the development of novel optoelectronic applications.Here,we report the observation of a recoverable laser-induced fluorescence quenching phenomenon in perovskite films with a microscopic grain-scale restriction,accompanied by spectral variations.This fluorescence quenching depends on the laser intensity and the dwell time under Auger recombination dominated conditions.These features indicate that the perovskite lattice deformation may take the main responsibility for the transient and show a new aspect to understand halide perovskite photostability.We further modulate this phenomenon by adjusting the charge carrier recombination and extraction,revealing that efficient carrier transfer can improve the bleaching resistance of perovskite grains.Our results provide future opportunities to attain high-performance devices by tuning the perovskite lattice disorder and harvesting the energetic carriers. | Yuren Xiang Yameng Cao Wenqiang Yang Rui Hu Sebastian Wood Bowei Li Qin Hu Fan Zhang Jujie He Mozhgan Yavari Jinlai Zhao Yunlong Zhao Jun Song Junle Qu Rui Zhu Thomas P.Russell S.Ravi P.Silva Wei Zhang | 2022 | Energy & Environmental Materials2022，5，4： | 0 |
| 5 | WUDAOYING HUTONG:A PROSPEROUS AND POPULAR COMMERCIAL ALLEY显示文摘In the past,Wudaoying Hutong was an ordinary narrow alleyway.In Lthis alley,there are no mansions,temples,historical monuments,former residences of luminaries orattractive landscapes. | Zhang Hongpeng Brad Green Qu Bowei | 2021 | Beijing2021，，21： | 0 |
| 6 | MAO'ER HUTONG显示文摘Mao'er Hutong is a wellknown alley in Bejing,not only because of its proximity to Nanluoguxiang,one of the most famous hutong(alleys)districts in the city,but also thanks to the various dignitaries and luminaries who once resided there. | Li Hongjing Qu Bowei | 2021 | Beijing2021，，22： | 0 |
| 7 | LATEST SCI-TECH DEVELOPMENTS IN BEIJING显示文摘From May 22 to 28,the main event of Bejing Science and Technology Week(and the 2021 National Science and Technology Week)was held at Zhongguancun Exhibition Centre.This year's Beijing Science and TechnologyWeek included for the first time a branch themed on science fiction.At the same time,other events were also organised for'Three Cities and One Area,'a term representing technological clusters in Zhongguancun,Huairou,Changping and Yizhuang,and the city's municipal administrative centre.A virtual exhibition hall for the event was launched simultaneously,providing the public with innovative ideas anddiverse content. | Rebecca Lou Qu Bowei | 2021 | Beijing2021，，23： | 0 |
| 8 | WENHUA HUTONG:HONOURING REVOLUTIONIST LI DAZHAO显示文摘Located in the south of Xicheng,District,Wenhua Hutong is about 400 metres(m)long,and begins from Tonglin'ge Road in the east,ending at Naoshikou Street in the west.The hutong(alley)was renamedWenhua Hutong to commemorate Chinese revolutionary pioneer Li Dazhao(1889-1927).However,it was originally known as Shifuma Houzhai(back courtyard). | Li Hongjing(Translated) Brad Green Qu Bowei(Photo) | 2021 | Beijing2021，，41： | 0 |
| 9 | YU’ER HUTONG: POETRY AND PEACE显示文摘Located in the northwest of Dongcheng District,the 1343-meter-longYu'er Hutong(Rain Alley)is the third hutong(alleyway)connecting to Nanluoguxiang Hutong in the east-a popular tourist spot famous for its boutiques,snack shops and bars.Although Nanluoguxiang has become a bustling business street which attracts large crowds of visitors every day,Yu'er Hutong remains tranquil and lowkey.Visitors looking for this secluded alleyway should be careful to keep an eye out for the signs,as it is easy to miss. | Li Hongjing Qu Bowei | 2021 | Beijing2021，，23： | 0 |
| 10 | DI'ANMENWAI STREET:A LANDMARK REPRESENTATION OF BEIJING'S ANCIENT CHARM显示文摘Beijing,as an ancient capital of the East,boasts a long history and numerous cultural relics.It is hailed not only as the political capital,but also a capital of historical elegance and cultural charm throughout China-and even the world.In this new historical period,relevant questions have been raised:How can the ancient metropolis be rejuvenated?How can the city achieve the perfect integration of historical significance and modern development?How can cultural relics and historical sites complement scientific and technological achievements?And how can the ancient charm of Beijing merge with modern cutting-edge trends?These are the questions that residents and people with love for the city have been exploring and discussing. | Li Li Wang Li Zhu Jianting Fu Yu Jiang Litian Qu Bowei Rao Qiang | 2021 | Beijing2021，，24： | 0 |
| 11 | BEAUTIFUL STREETS, BEAUTIFUL LIVES显示文摘Beijing's top10'most beautiful streets and alleys'in 2020 were recently officially announced,highlighting the revitalisation of the city's historic byways.Ten streets and alleys,including Changxiang Toutiao in Dongcheng District,Wenhua Hutong in Xicheng District and Luhe Middle School North Street in Tongzhou District,have become the new standard bearers of Bejing's rebirth,standing out as shining examples of community collaboration and joint governance. | Zhu Jiangting Qu Bowei(Photos) Xu Meihua(Photos) Zhou Shijie(Photos) | 2021 | Beijing2021，，2： | 0 |
| 12 | BOUNTIFUL GARDENS CREATE THE MOST BEAUTIFUL BEIJING显示文摘Forthose who live in bustling metropolises overshadowed by high-rise buildings,it can be hard to imagine a public space where people come together tobring nature back to the city.In Beijing,however,one such space exists in Keyu Community,Zhongguancun Sub-district.Here,willow twigs dance in the breeze as community members nurture plants from seed to sapling. | Shen Jinghui Qu Bowei(Photos) | 2021 | Beijing2021，，2： | 0 |
| 13 | FEELING THE BEAT AND BEAUTY显示文摘0n June 7,the 2021 Silk Road Discovery Tour of Beijing kicked off,ponsored by the Information Office of the People's Government of Bejing Municipality.The event was organised by Chin Radi International(CRI)Online from China Media Group(CMG),and coorganised by the Publicity Department of the Communist Party of China(CPC)Dongcheng District Committee in Beijing.A total of 17 Internet personalities from 13 countries,including the UK,Brazil,France,Greece,Guatemala,South Korea and others,toured Bejing to feel the beat and beauty of the ancient capital city. | Li Li Zhu Jianting Wang Li Qu Bowei | 2021 | Beijing2021，，25： | 0 |
| 14 | WINTER SPORTS WARM THE CITY显示文摘People's impression of Beijing in winter is of a bleak and gloomy city.This year,however,such a stereotype is shifting as the fine weather brings more people to outdoor sports venues.More and more residents of the city are going out of their homes to engage in winter sports.Snow and ice sports and activities are enlivening the city. | Zhang Hongpeng Hu Shiying(Photos) Jiang Runliang(Photos) Li Hui(Photos) Ma Ke(Photos) Ma Yixing(Photos) Qu Bowei(Photos) Wang Wenguang(Photos) Wang Xibao(Photos) | 2021 | Beijing2021，，4： | 0 |
| 15 | DEVELOPMENT OF HIGH-PRECISION ADVANCED INDUSTRIES显示文摘The Information Office of the Beiing Municipal People's Government recently held a press conference on Beijing's high-precision-advanced industries during the 14th Five-Year Plan period[2021-2025].Offcials from the Beijing Municipal Bureau of Economy and Information Technology,the Bejing Economic-Technological Developrment Area and Haidian District attended the press conference to explain policies.Jiang Guangzhi,deputy director of the Beiing Municipal Bureau of Economy and Information Technology,explained that The Plan for High precision. | Rebecca Lou(Translated) Mary Frances Cappiello Qu Bowei(Photos) | 2021 | Beijing2021，，36： | 0 |
| 16 | SIDE STREETS AND ALLEYS:HIDDEN HAVENS OF TRANQUILITY显示文摘Aspringtime gradually fades away,signs of summer begin to pop up throughout the capital city.Beijing has many magnificent streets and avenues,but its small and often zigzagging lanes and hutong(alleys)are where much of the unique charm can be found.With the city's economic and social development over the years,its side streets and alleys have become even more attractive than ever before. | Wang Wei Feng Yongguo(Photos) Jin Jianhui(Photos) Lu Shiyue(Photos) Qu Bowei(Photos) | 2021 | Beijing2021，，19： | 0 |
| 17 | LONGFUSI STREET:A TEMPLE-CENTRED STREET显示文摘Longfusi Street is situated to thewest of the southern Isection of Dongsi North Street in Dongcheng District,in the heart of Beijing.The street is well-known for a temple which is located there,appropriately named Longfu Temple(Longfusi).Both the street and the temple havea glorious past. | Li Hongjing Qu Bowei | 2021 | Beijing2021，，11： | 0 |
| 18 | DAZHIQIAO HUTONG:A BRIDGE-RELATED ALLEY显示文摘Bejing has many hutong(alleys)whose names can have multiple origins.According to a prevailing norm,if a hutong's name includes the character qiao('bridge'in English),the place must have had a bridge in the past.Dazhiqiao Hutong near Xuanwu Gate is one such alley. | Yu Chunbo Qu Bowei(图) | 2021 | Beijing2021，，49： | 0 |
| 19 | READING FESTIVAL ADVANCES THE CITY'S CULTURAL DEVELOPMENT显示文摘Founded in 2011,the Literary China-Bejing Reading Festival has become a long-term campaign that benefits,educates and enhances the people through nationwide reading.Promoting nationwide reading plays a significant role in strengthening socialist civic enhancement and advancing social progress. | Wang Wei(Translated) Feng Yongguo(Photos) Qu Bowei(Photos) Sang Yi(Photos) Wang Zichuan(Photos) | 2021 | Beijing2021，，7： | 0 |
| 20 | REDISCOVERING DASHILAR显示文摘On August 17,Cai Qi,secretary of the CPC Beijing Municipal Committee,inspected the prevention and control of COvID-19 in Dashilar,Qianmen,and investigated the commercial circle's transformation and improvement.Cai pointed out that Dashilar is one of the most representative areas of traditional culture of Bejing,as well as the largest commercial area along the city's Central Axis.He stressed that Dashilar needs to not only be efficient in terms of pandemic prevention and control,but also with regards to planning the upgrading of the commercial circle.He added that according to the regulatory requirements of the city's core areas,Dashilar must focus on its orientation in orderto enhance its developmentquality,continue to promote the renewal of its urban space and improve its entire environment to create a representative commercial zone featuring a combination of history,traditional culture and modern charms. | Wang Wei Brad Green Jay Brousseau Georgios Doupas Jin Jianhui Qu Bowei Volha Shukaila Vialitchanka Yury | 2021 | Beijing2021，，35： | 0 |
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