At sea, the offshore drilling platform "Blue Whale 2" is the largest deep-sea weapon with the deepest drilling depth in the world. This sea giant is 37 stories high, and its deck is as big as a standard football field. It can be operated in the sea area with water depth above 3000m, and the maximum drilling depth is15240m, which is unmatched by other offshore oil equipment in the world.
To complete the voyage of 18 days, Blue Whale 2 needs at least 20 barrels of engine oil weighing 4 tons and 4,500 barrels of diesel oil weighing 765 tons. This loading capacity enables Blue Whale 2 to undertake various complex operations. It has more than 27,000 sets of equipment, which is twice that of ordinary drilling platforms.
There are eight such propellers, which are the anchors to ensure that "Blue Whale 2" can stand firm under the hurricane of 15.
This is the first time in the world to install a propeller on the dock. In the past, such installation could only be completed in the deep sea, and the installation cost alone exceeded 6.5438+million yuan. Now, China people have reduced the installation cost to one tenth.
Offshore drilling platform is called "moving land", which embodies a country's overall industrial strength and development direction. Ten years ago, China was completely incapable of independently manufacturing offshore drilling platforms. Now, we can not only make it ourselves, but also lead the world.
Reason 2: FAST, the largest radio telescope in human history, is marked "Made in China".
Nan is the chief scientist and chief engineer of the 500-meter spherical radio telescope in China. For the sake of the eye, he gave up 300 times the high salary abroad and returned to China, paying more than 20 years of hard work and feelings. Not long ago, when the Eye of Heaven was opened for one year, the scientist closed his eyes forever because of illness. The Eye of Heaven he created made China a leader in astronomical exploration. Some people commented that this would be.
The 500-meter spherical radio telescope (FAST), the largest radio telescope in human history, has a diameter of 500 meters and its comprehensive performance is 10 times that of the famous American telescope Arecibo. It will help people explore the interplanetary interaction information billions of light years away.
Every step in the construction of the Eye of the Sky is difficult. From conception to construction completion. Three generations of scientific and technological workers have overcome more than ten world-class problems after 22 years.
The "500-meter spherical radio telescope (FAST)" has a unique skill, with 4,450 reflective panels, each of which can rotate. This huge net woven by more than 7,000 steel cables is the largest span and the highest precision cable net project in the world. Each black steel cable must be able to withstand 2 million times of tensile deformation. It took two years to develop only the materials used for cables.
Driven by the steel cable, the reflecting panel can be deformed into a paraboloid, and the angle can be changed in real time according to the observation needs, and the position of the feed cabin will also change in the process. The invention of the 500-meter spherical radio telescope (FAST) means that there is no dead end for human observation of space.
After the eye is opened, it can receive electromagnetic signals from 135 1 light years away, and can be used to observe pulsars, dark matter, black holes and even extraterrestrial civilizations. On 10 this month, good news came. Sky Eye discovered six new pulsars in the Milky Way. This is the first time that China's astronomical telescope has discovered pulsars, one of which is about10.6 million light years away from the Earth.
Reason 3: Type 055, the most advanced and effective air defense destroyer in the world, is marked "Made in China".
At present, China Navy's new generation guided missile destroyer-Type 055 guided missile destroyer has been launched. As the first guided missile destroyer with a displacement of more than 10,000 tons in the People's Navy, it has been highly concerned at home and abroad since the keel was laid. The Type 055 guided missile destroyer is equipped with advanced weapons and radar systems, with a high level of informationization and automation, and is in a leading position among ships of the same class in the world.
Combat vessels on the water is the base of naval forces. After the service of Type 055 guided missile destroyer, relying on its powerful comprehensive combat capability, whether it is to build a surface ship battle group with it as the core or to join an aircraft carrier battle group as an escort ship, the overall combat capability of China Navy can be greatly improved.
Reason 4: The first flight of C919 was successful, and the key technology of 102 broke the monopoly and was labeled as "Made in China".
On May 5, 20 17, the first flight of C9 19 was successful, and China gained another "great power". Previously, China imported more than 400 passenger planes from Boeing and Airbus every year. Now, we can finally break the monopoly and compete in the global market.
The more "standard parts" a country can produce, the stronger the overall industrial strength. There are nearly 1 10,000 standard parts on C9 19. The development of large aircraft means the improvement of the overall strength of China's industrial system.
Avionics system is one of the most complex key airborne systems on civil airliners. Previously, only Boeing and Airbus in the world had the ability to integrate the avionics system of large aircraft, and related technologies were strictly blocked. On C9 19, China people developed their own avionics system for large aircraft.
On the screen on the right side of this simulated cockpit, the visibility during night flight is displayed. On the left is the effect of technicians introducing visual enhancement technology. China is the first country to use this technology in the field of civil airliners, which can greatly improve the safety of aircraft.
In the past nine years, researchers have completed 102 key technological breakthroughs on C9 19. More than 200 enterprises, 6 universities and hundreds of thousands of technicians are involved, and a complete industrial chain of civil aircraft manufacturing in China is taking shape.
Reason 5: Hangzhou Bay Bridge, the longest sea-crossing bridge in the world, is marked "Made in China".
Hangzhou Bay Bridge is a super-large bridge designed, built and built by our country. Total investment of the project:1600 million yuan, and the project period is 1993 to 2008. The north navigation hole of Hangzhou Bay Cross-sea Bridge adopts a rhombic steel box girder cable-stayed bridge with two towers and two cable planes with a main span of 448 meters, which can pass 35,000-ton ships. The two main towers are187m high. It is 36 kilometers long, consisting of 327-meter-long north-south approach bridge, 1.486-meter-long north-south navigation hole bridge and 34. 1.87-kilometer-long viaduct, which is equivalent to 2 1 Wuhan Yangtze River Bridge, enough for the world 100-meter champion to run at full speed for one hour! The design life is longer than 100 years, and it can withstand the impact of 12 typhoon and strong tidal waves.
Reason 7: China has built the longest tunnel in North Africa, marked "Made in China".
Gantas Tunnel Project is located at 100 km west of Algiers, the capital of Algeria, and it is a control project of trunk railway in northern Algeria. The tunnel is designed as a separated double-hole single-track tunnel, with the length of the left line of 7346m and the length of the right line of 7335m, with the total length of14.68km.. The journey from Algiers to Oran will be shortened from 4 hours to 2 hours.
The surrounding rock of the tunnel is mainly expansive marl called "engineer's disaster", with soft rocks such as shale. The overall geological conditions are poor, the surrounding rock expands and deforms greatly, and the surrounding rock changes frequently, which increases the construction difficulty. After the technical personnel of China Railway Construction Engineering tackle key problems, many expert meetings were organized to review and discuss the design scheme and construction technology, which finally solved the problem of convergence and intrusion of the initial support due to the influence of strong expansive marl geology and high ground stress.
Reason 8: The Oriental Pearl TV Tower, the tallest in Asia and the third in the world, is marked "Made in China".
Shanghai Oriental Pearl Radio and Television Tower, also known as the Oriental Pearl, is 468 meters high. It is located on the Huangpu River in Shanghai, at the tip of Lujiazui in Pudong. Commencement on July 30th 199 1, completion on June 30th 1994. The Oriental Pearl Tower is the seat of Shanghai International Press Center. It is like a string of pearls falling from the sky, scattered on the land of Pudong, Shanghai. After the baptism of the sun, it shines brightly and is a landmark building in Shanghai.
Reason 9: The world's number one seaport for many years has been labeled as "Made in China".
Shanghai port with the first throughput. In 20 16, the throughput of foreign trade containers along the "Belt and Road" in Shanghai Port was 9.64 million TEUs, accounting for 35% of the total.
The cargo throughput of Zhoushan Port in Ningbo ranks first in the world for many years. In 20 16, the cargo throughput of Zhoushan port in Ningbo exceeded 900 million tons, becoming the first "900 million tons" port in the world, ranking first in the world for eight consecutive years. Ningbo Zhoushan Port also set a world record for the efficiency of a single bridge crane with a natural box of 235.6.
According to statistics, by the end of 20 16, Tianjin Port's annual cargo throughput exceeded 550 million tons and container throughput exceeded14.5 million TEU, ranking fifth and tenth in the world respectively, and the waterway level was upgraded to 300,000 tons, making it the highest-ranking artificial deep-water port in the world, further consolidating its position as a global resource allocation hub.
Qingdao Port is the largest container terminal, ore terminal and crude oil terminal in the world. It is reported that Qingdao Port has successively built the world's largest container terminal, 300,000-ton ore terminal, 300,000-ton crude oil terminal, 65,438+/kloc-0,000,000-ton coal terminal and the largest bulk grain loading and unloading base in the Yellow River basin, with a handling capacity of/kloc-0,65438.
Qinhuangdao Port has the largest coal terminal in the world. According to the data, in 2007, the annual port throughput of Qinhuangdao Port was 245 million tons, an increase of 2 1.7% over the previous year. Among them, the coal throughput reached 2140,000 tons, accounting for 50% of the coal and water discharge of China coastal ports, making it the first export port with 200 million tons of coal in the world.
Reason 10: It may be quite appropriate to describe the prosperity of China today with the ranking of China's economic development in the world. Because we have too many firsts, only when the country is strong can the people be happy, and we still have too many firsts. For example, becoming the world's largest manufacturing country and the world's largest industrial country. Classification: pig iron ranks first in the world, coal ranks first in the world, crude steel ranks first in the world, shipbuilding ranks first in the world, cement ranks first in the world, electrolytic aluminum ranks first in the world, chemical fiber industry ranks first in the world and automobile manufacturing ranks first in the world.
There are also many cultural heritages, the best in the world. For example, the longest wall in the world-the Great Wall in Wan Li, China. The world's oldest trade channel between East and West-Silk Road. The largest city wall in the world-Shicheng, Nanjing in Ming Dynasty. The world's tallest Tropic of Cancer sign tower-Guangdong Conghua North Return Sign Tower. Huma County, Heilongjiang Province is the northernmost area of rice cultivation in the world. The most famous tidal bore in the world-Qiantang River Tide. The world's largest meteorite shower and meteorite landed in Jilin Province. Guangxi Lingqu, the driest sluice canal in the world. The longest canal in the world-the Beijing-Hangzhou Grand Canal. The Yellow River with the largest sediment concentration in the world. Yarlung Zangbo River, the highest river in the world. The world's highest large-scale saltwater lake-Namco Lake in Tibet. Himalayas, the highest mountain range in the world. Tibet, the highest agricultural planting area in the world.
The most important thing is:
Because China has the strongest soldiers in the world,
Because China has the most harmonious interpersonal relationship in the world,
Because China has the most United strength in the world,
Because China has the most caring people in the world,
Because there are countless warm-blooded young people like you and me in China.
We all have a strong motherland called China.
Let's cheer for our motherland. I love you, China.