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What are the differences between fire shutter and smoke curtain?The inorganic fireproof roller shutter fabric is made of non-metallic materials after special treatment. Good fire protection. Because the curtain surface is made of non-metallic materials, the thickness of the curtain surface is small and the space is small. The weight of the curtain surface per square meter is not more than 5kg, as long as it is one-fifth of the steel fire shutter, and there is no need for water curtain maintenance, which also reduces the water consumption for fire fighting, and the fire area can be closed in case of fire.The function of the smoke blocking wall is to hinder the continuous diffusion of smoke. The non-combustible material selected during production is a fixed or movable smoke-blocking facility with a sag of not less than 500mm from the ceiling. The movable smoke blocking wall refers to the smoke blocking wall that automatically sags due to the action of temperature sensing, smoke sensing, or other control equipment during a fire. The smoke blocking wall is a device that separates the smoke area in the large space smoke exhaust system. When the fire control center sends out a fire alarm signal or directly accepts the "smoke sense" signal, the soft smoke blocking wall placed above the ceiling quickly drops to the set height to form a smoke area separation. The high-temperature flue gas is discharged outdoors by the exhaust fan, which creates an environment and buys time for the life-saving and evacuation of people in the fire area.Can the fire shutter be used as a smoke curtain? Of course not, the inorganic fire shutter is set when dividing the fire zone, and it closes the area in the event of a fire; the function of the smoke blocking wall is mainly to block the smoke, and the height of the smoke blocking wall from the indoor floor should not be less than 2.0 m. So the two cannot be used indiscriminately.

The Chinese rowers safely bagged the women's quadruple sculls gold with a world best time of six minutes and 05.13 seconds here on Wednesday. Chen Yunxia, Zhang Ling, Lyu Yang and Cui Xiaotong established a convincing lead before the final 500m and refreshed its Olympic best time set on home soil at the 2008 games. Poland won the silver in 6:11.36 and Australia took a bronze in 6:12.08.

Comrades and friends, Today, the first of July, is a great and solemn day in the history of both the Communist Party of China (CPC) and the Chinese nation. We gather here to join all Party members and Chinese people of all ethnic groups around the country in celebrating the centenary of the Party, looking back on the glorious journey the Party has traveled over 100 years of struggle, and looking ahead to the bright prospects for the rejuvenation of the Chinese nation. To begin, let me extend warm congratulations to all Party members on behalf of the CPC Central Committee. On this special occasion, it is my honor to declare on behalf of the Party and the people that through the continued efforts of the whole Party and the entire nation, we have realized the first centenary goal of building a moderately prosperous society in all respects. This means that we have brought about a historic resolution to the problem of absolute poverty in China, and we are now marching in confident strides toward the second centenary goal of building China into a great modern socialist country in all respects. This is a great and glorious accomplishment for the Chinese nation, for the Chinese people, and for the Communist Party of China! Comrades and friends, The Chinese nation is a great nation. With a history of more than 5,000 years, China has made indelible contributions to the progress of human civilization. After the Opium War of 1840, however, China was gradually reduced to a semi-colonial, semi-feudal society and suffered greater ravages than ever before. The country endured intense humiliation, the people were subjected to great pain, and the Chinese civilization was plunged into darkness. Since that time, national rejuvenation has been the greatest dream of the Chinese people and the Chinese nation. To save the nation from peril, the Chinese people put up a courageous fight. As noble-minded patriots sought to pull the nation together, the Taiping Heavenly Kingdom Movement, the Reform Movement of 1898, the Yihetuan Movement, and the Revolution of 1911 rose one after the other, and a variety of plans were devised to ensure national survival, but all of these ended in failure. China was in urgent need of new ideas to lead the movement to save the nation and a new organization to rally revolutionary forces. With the salvoes of Russia's October Revolution in 1917, Marxism-Leninism was brought to China. Then in 1921, as the Chinese people and the Chinese nation were undergoing a great awakening and Marxism-Leninism was becoming closely integrated with the Chinese workers' movement, the Communist Party of China was born. The founding of a communist party in China was an epoch-making event, which profoundly changed the course of Chinese history in modern times, transformed the future of the Chinese people and nation, and altered the landscape of world development. Since the very day of its founding, the Party has made seeking happiness for the Chinese people and rejuvenation for the Chinese nation its aspiration and mission. All the struggle, sacrifice, and creation through which the Party has united and led the Chinese people over the past hundred years has been tied together by one ultimate theme – bringing about the great rejuvenation of the Chinese nation. To realize national rejuvenation, the Party united and led the Chinese people in fighting bloody battles with unyielding determination, achieving great success in the new-democratic revolution. Through the Northern Expedition, the Agrarian Revolutionary War, the War of Resistance against Japanese Aggression, and the War of Liberation, we fought armed counter-revolution with armed revolution, toppling the three mountains of imperialism, feudalism, and bureaucrat-capitalism and establishing the People's Republic of China, which made the people masters of the country. We thus secured our nation's independence and liberated our people. The victory of the new-democratic revolution put an end to China's history as a semi-colonial, semi-feudal society, to the state of total disunity that existed in old China, and to all the unequal treaties imposed on our country by foreign powers and all the privileges that imperialist powers enjoyed in China. It created the fundamental social conditions for realizing national rejuvenation. Through tenacious struggle, the Party and the Chinese people showed the world that the Chinese people had stood up, and that the time in which the Chinese nation could be bullied and abused by others was gone forever. To realize national rejuvenation, the Party united and led the Chinese people in freeing the mind and forging ahead, achieving great success in reform, opening up, and socialist modernization. We established the Party's basic line for the primary stage of socialism, resolutely advanced reform and opening up, overcame risks and challenges from every direction, and founded, upheld, safeguarded, and developed socialism with Chinese characteristics, thus bringing about a major turn with far-reaching significance in the history of the Party since the founding of the People's Republic of China. This enabled China to transform itself from a highly centralized planned economy to a socialist market economy brimming with vitality, and from a country that was largely isolated to one that is open to the outside world across the board. It also enabled China to achieve the historic leap from a country with relatively backward productive forces to the world's second largest economy, and to make the historic transformation of raising the living standards of its people from bare subsistence to an overall level of moderate prosperity, and then ultimately to moderate prosperity in all respects. These achievements fueled the push toward national rejuvenation by providing institutional guarantees imbued with new energy as well as the material conditions for rapid development. Through tenacious struggle, the Party and the Chinese people showed the world that by pursuing reform and opening up, a crucial move in making China what it is today, China had caught up with the times in great strides. To realize national rejuvenation, the Party united and led the Chinese people in endeavoring to build a stronger China with a spirit of self-reliance, achieving great success in socialist revolution and construction. By carrying out socialist revolution, we eliminated the exploitative and repressive feudal system that had persisted in China for thousands of years, and established socialism as our basic system. In the process of socialist construction, we overcame subversion, sabotage, and armed provocation by imperialist and hegemonic powers, and brought about the most extensive and profound social changes in the history of the Chinese nation. This great transformation of China from a poor and backward country in the East with a large population into a socialist country laid down the fundamental political conditions and the institutional foundations necessary for realizing national rejuvenation. Through tenacious struggle, the Party and the Chinese people showed the world that the Chinese people were capable of not only dismantling the old world, but also building a new one, that only socialism could save China, and that only socialism could develop China. To realize national rejuvenation, the Party has united and led the Chinese people in pursuing a great struggle, a great project, a great cause, and a great dream through a spirit of self-confidence, self-reliance, and innovation, achieving great success for socialism with Chinese characteristics in the new era. Following the Party's 18th National Congress, socialism with Chinese characteristics entered a new era. In this new era, we have upheld and strengthened the Party's overall leadership, ensured coordinated implementation of the Five-Sphere Integrated Plan and the Four-Pronged Comprehensive Strategy, upheld and improved the system of socialism with Chinese characteristics, modernized China's system and capacity for governance, remained committed to exercising rule-based governance over the Party, and developed a sound system of intraparty regulations. We have overcome a long list of major risks and challenges, fulfilled the first centenary goal, and set out strategic steps for achieving the second centenary goal. All the historic achievements and changes in the cause of the Party and the country have provided the cause of national rejuvenation with more robust institutions, stronger material foundations, and a source of inspiration for taking greater initiative. Through tenacious struggle, the Party and the Chinese people have shown the world that the Chinese nation has achieved the tremendous transformation from standing up and growing prosperous to becoming strong, and that China's national rejuvenation has become a historical inevitability. Over the past hundred years, the Party has united and led the Chinese people in writing the most magnificent chapter in the millennia-long history of the Chinese nation, embodying the dauntless spirit that Mao Zedong expressed when he wrote, [Our minds grow stronger for the martyrs' sacrifice, daring to make the sun and the moon shine in the new sky." The great path we have pioneered, the great cause we have undertaken, and the great achievements we have made over the past century will go down in the annals of the development of the Chinese nation and of human civilization.

The future belongs to the Tropics The International Day of the Tropics celebrates the extraordinary diversity of the tropics while highlighting unique challenges and opportunities nations of the Tropics face. It provides an opportunity to take stock of progress across the tropics, to share tropical stories and expertise and to acknowledge the diversity and potential of the region. The Ecosystem The Tropics are a region of the Earth, roughly defined as the area between the tropic of Cancer and the tropic of Capricorn. Although topography and other factors contribute to climatic variation, tropical locations are typically warm and experience little seasonal change in day-to-day temperature. An important feature of the Tropics is the prevalence of rain in the moist inner regions near the equator, and that the seasonality of rainfall increases with the distance from the equator. The tropical region faces several challenges such as climate change, deforestation, logging, urbanisation and demographic changes. The Human System Tropical nations have made significant progress but face a variety of challenges that demand focused attention across a range of development indicators and data in order to achieve sustainable development. By 2050, the region will host most of the world's people and two-thirds of its children. Consistent with the higher levels of poverty, more people experience undernourishment in the Tropics than in the rest of the world. The proportion of the urban population living in slum conditions is higher in the Tropics than in the rest of the World. Celebrate the International Day of the Tropics State of the Tropics Report (2021) Launch - The Digital Divide in the Tropics 29 June 2021 - Webinar 3:30 p.m. AEST In 2020, the COVID-19 pandemic put in stark relief the role that digital technology plays in our lives. Trade, employment, learning leisure and communications rapidly shifted into the digital realm. More than 50% of the tropical population is not online. To understand the impact this has on poverty, education, equality and the economy, the digital divide was explored further. OUR silicone rubber coated fabric ,PTFE coated fabric are all be environmental,we have many specifications,welcome to consultment. www.ptfecnyx.com

Astronauts enter the core module of China's space station from the Shenzhou XII spacecraft on June 17, 2021. The crew have started to prepare their orbiting residence for operations for the next three months. Photo/Xinhua Astronauts on board the core module of China's space station have started to prepare their orbiting residence for operations over the next three months. As soon as the three crew members-Major General Nie Haisheng, Major General Liu Boming and Senior Colonel Tang Hongbo-floated into the core module, named Tianhe, or Harmony of Heavens, on Thursday afternoon, they started to configure the electrolytic oxygen generators, install water tanks and arrange their sleeping quarters, according to the China Manned Space Agency. After finishing these tasks, they enjoyed their first sleep on board the module, the biggest spacecraft China has built and the first and central section of the permanent space station, called Tiangong, or Heavenly Palace. After they woke up on Friday morning, Nie and his crew members started to unpack the Wi-Fi signal equipment and install and set the devices, the agency said in a news release. Sun Jun, chief controller of the Tiangong program at the Beijing Aerospace Control Center, said that the Wi-Fi equipment inside the core module is connected through relay satellites with the ground control's communication network. "It enables our astronauts to talk with their family members or colleagues or even make video calls," he said. They also entered the Tianzhou 2 cargo spaceship on Friday to begin moving their living materials and mission payloads to the core module. Tianzhou 2, the country's second cargo spaceship, carried 6.8 tons of supplies for Tianhe when it docked with it on May 29, including 2 tons of propellants, more than 160 packages of living and experimental materials as well as two extravehicular suits, each weighing around 100 kilograms, for astronauts to perform activities outside the core module. In the next few days, the crew will continue unpacking gear inside Tianhe and Tianzhou 2 and arranging their living and work quarters. At the same time, the astronauts will conduct internal apparatus tests. The crew was transported to Tianhe on Thursday morning in the Shenzhou XII spacecraft by a Long March 2F carrier rocket that blasted off from the Jiuquan Satellite Launch Center in northwestern China, embarking on the nation's seventh manned spaceflight, which will last three months. The Shenzhou XII mission is part of China's ambitious space station program that aims at completing a three-component station in a low-Earth orbit about 400 kilometers above the ground before the end of 2022. In the near future, three manned missions and three robotic cargo flights will be conducted for the station's construction. Two large labs will also be taken into space to link up with the station. CONGRATULATIONS!

congratulations SHENZHOU XII was successfully launched at 09:22:27 this morning

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Yuan ,the pioneer of the research and development of hybrid rice in China,was the first scientist in the world to successfully utilize the heterosis of rice. In 1986,Yuan brought up the hybrid rice breeding strategy from the three-line hybrid rice strain to a two-line,and later on to a one-line variet. Yuan has won manuy awards and titles for his outstanding work,among which are the "State Preeminent science and Technology Award","National Model Worker" and "National Advanced Worker" as well as "Preeminent Inventor[ conferred by the World intellectual Property Organization.He is reputed as "Father of Hybrid Rice" by his colleagues working around the world. Yuan's articles include "Key Techniques of Hybrid Rice's Seed Production" and "High Yielding and Practices and Theories on Cultivating Hybrid Rice".Yuan is also the editor-in-chief of the magazine Hybrid Rice.