Tungsten Metal Price

Portugal Won European Cup, Tungstenors Watch

Details: Category: Tungsten's News; Published on Monday, 11 July 2016 14:53; Written by pure-tungsten; Hits: 733

European Cup, the crazy game is not only crazy in competitors, but the world wide, so are staff in Tungsten Industry both China and International.

World Cup Just finished campaign between Portugal and France is so intense and until 109 minutes for a winner. Edel picked off the bench Moutinho and passed beautiful footballs, threw off French defender, then kicked outside the area, ripped through the archery Lori guarded goal for Portugal, launched into winning lore ball and eventually won!

France and Portugal 0-0 after 90 minutes contending, the Portuguese began to force during overtime campaign, and frequently threaten French goal, but still not rewrite overtime halftime score. The 109 minutes, Portugal quick counterattack. Edel picked off the bench and the same for Moutinho in the middle of the straight after several French players against tightly to Coase Czerny.

Edel crossed outside the closed top 25 meters from the goal, a sudden force right foot volley. Eder shot but the ball affixed to run fast toward the lower left corner of the French goal. This shot is very decisive and accurate, adequate power and precise angle. Even Lori fell to the ground, tried to block, but could do nothing only watched the ball sighing.

With this extra time in the second half of Edel ball lore, the final 1-0 victory over hosts Portugal in France, winning the first champion. It is worth mentioning that, after simple treatment by team doctor, limped C Lo did not miss Eder's goal. C Luo was also excited rushed to celebrate with teammates for the vital lore ball. C Luo is so exiting and satisfying by the first time to bring the golden goal winner.

Watchers, tungstenors, in Tungsten Industry have been so nervous for a long time, together with the campaign. Whoever won, they are all the best. May someday there will be a Tungsten Cup, and it will be so wonderful and expected.

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Risk Aversion Ups Gold Price, Making "Gold Substitute" More Popular

Details: Category: Tungsten's News; Published on Friday, 08 July 2016 16:23; Written by yaqing; Hits: 1018

tungsten gold

Due to the increased risk aversion among people, the gold price, which had fallen three weeks, ups these days. The international gold price rose 2.37% to $1278.26 / oz per week, and is expected to exceed $3000. Whether gold can continue to maintain the current strong or not, the upcoming U.S.

Tungsten Trioxide Photocatalyst Solves Mercury Pollution

Details: Category: Tungsten's News; Published on Thursday, 07 July 2016 18:20; Written by chunyan; Hits: 884

In June, a primary school of Huayuan County of Hunan Province, China, occurred a serious mercury poisoning (Minamata disease) of many students, which resulted in 147 students urine mercury exceeded; its cause is a fifth-grade student took 50 ml of the remaining mercury in the wok of a waste workshop in a mineral water bottle to school, and gave it to the other students for playing. According to the source, this workshop was illegal constructed and operated unauthorized without Environmental Impact Assessment (EIA) and related procedures. For this accident, I am showing my deep sadness, someone innocent was suffered a serious injury because some unscrupulous manufacturers do not manage their hazardous substances.

China as the largest country which uses and emissions most in global mercury, and has faced with the tremendous pressure to reduce emissions of mercury reductions in the "global mercury instrument" negotiations. This year, on June 18th to 19th, "the second national mercury pollution control and monitoring technology seminar" held in Yancheng, Jiangsu Province of China, the main focus of the meeting lies in deeply discussing the hot spots and focus issues of the policy standards mercury pollution control and monitoring in the field of technical support, solutions, industry trends, monitoring system and management system, and so on; furthermore, it provided decision supporting to in facing with the mercury pollution problems of socio-economic development process.

Mercury is a quite rare element in the earth's crust, which is the only kind of liquid metal. Mercury pollution (Hg²⁺) is one of the major heavy metal pollutions in the water, which has lethal hazards on the human nervous system. Studies have shown that, in the photocatalytic reduction experiment of Hg²⁺ of tungsten trioxide photocatalyst, Hg²⁺ was strongly adsorbed on surface of tungsten trioxide, and its adsorption amount increased as the increasing of pH value. In addition, experiments found that the adsorbed Hg²⁺ by tungsten trioxide still exist in the form of oxidation states which means it won’t occur reduction. Thus, Hg²⁺ in the wastewater has been taken by the photocatalyst, to eliminate mercury pollution. In addition, the recovery of Hg²⁺ can be separated with the photocatalyst, and then through the certain supporting of technical to recycle the mercury, and to realize resources recycling.

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US Congress Met Water Pollution, WO3 Photocatalyst Solves Lead Pollution

Details: Category: Tungsten's News; Published on Thursday, 07 July 2016 18:23; Written by chunyan; Hits: 560

Congressional office in Washington, the capital of America has recently undergone an incident of lead in drinking water exceeded; on July 5th, Capitol Building Department announced that they will arrange blood lead levels detecting for the congressional members and staff for free. A week ago, congressional office has detected the excessive of the lead level of the drinking water, then the drinking water pool was suspended; It is reported that, at least a pregnant woman of the employee of Congress has drunk the “lead water", we knew that the lead is particularly harmful for the unborn fetus; previously, Flint, Michigan City was exposed the water pollution crisis, and dozens of children were detected lead levels excessive. June of this year, source has reported that the problem of lead contamination of drinking water of United States is very common, cheating has been taken to conceal the problem of excessive amount of lead in water in many places.

Lead, a toxic heavy metal, is the known toxic substances which recorded most in the book, some ancient books has recorded that the use of lead pipes conveying water is dangerous. However, there are still a lot of water pipes of some parts in homes and buildings are made of lead. These lead making water pipes are the main supply pipe or part of the pipeline which is connected to the residents of the home, thus part of lead will dissolve in the water to cause lead pollution.

In recent years, tungsten trioxide (WO₃) as a photocatalyst material has caused great concern; WO₃with semiconductor property, its photocatalytic reduction effect is shown to effectively solve the pollution problems of chromium, mercury, lead and other heavy metal ions. Especially, the WO₃with nano particle, due to its large specific surface area, it can fully enhance the efficiency of the reaction. However, the pure tungsten trioxide is easy to occur the light corrosion, and with the low utilization of visible defects and difficult to obtain a stable light catalytic properties, therefore, the modification technologies of metal ion doping, such as yttrium (Y), praseodymium (Pr) and so on; non-metal-doped miscellaneous, such as C; semiconductor composite, WO₃/ZnO, WO₃-TiO₂ect.; polyhydric doping are used to enhance its property. With the continuous researching on photocatalyst, tungsten trioxide photocatalyst will play a huge role in the lead pollution and other water contamination.

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Tungsten Copper Tube Type Divetor Component Developed Successfully

Details: Category: Tungsten's News; Published on Thursday, 07 July 2016 15:19; Written by tang; Hits: 693

Chinese Academy of Sciences for the ITER plasma has developed through tungsten copper tube type divertor components small modules completed high heat load test on the specified test platform, six test modules submitted all through testing and certification. It indicates that Chinese scientists have already with capacities that developed tungsten copper tube type divertor components for ITER.

Divetor component is the necessary ways for tokamak discharge in the process of controlling impurities and fuel recycling; exhaust heat and particle flow and helium ash from the center of the plasma, which also are the most critical components of ITER device.

The design specifications of tungsten copper tube type structural component are to withstand high thermal loads irradiation of 5000 10MW / m2 and 300 20MW / m2. However, since the thermal expansion coefficient and elastic modulus with greatly difference between tungsten material and tungsten copper alloy heat sink materials, the surface of tungsten copper will in higher thermal stress when it in the process of preparation and application. So tungsten copper tube type components is too difficult to developing.

The test module through the 5000 series of 10MW / m2 and 1000 20MW / m2 heat load cycle electron beam irradiation, exceeding the requirements of ITER. Which approved the plasma tungsten copper divertor’s advanced technology development. ITER Director-General Bernard Bigot be given due recognition and appreciation.

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