The new concept of ammunition is one type of organic combined products from UAV (Unmanned Aerial Vehicle) technology and ammunition technology, which has strike, correspondent, target, monitor and other air alert functions. The loitering missile is quite time-sensitive in the wartime, especially shows its significant functions while using for the airports, ports and aircraft carrier battle groups. Also it could be used for the future surface-to-air missile, which would become an important trend in the field of ammunition.
With the improvement of Chinese national defense science and technology strength, problems faced by Chinese aero engine will be alerted greatly. Let us recall Chinese aero engine development.
Researchers in the US and Korea say they have developed a new way to make a flexible, resistive random access memory (RAM) device in a room-temperature process – something that has proved difficult to do until now.
Since the price of tungsten concentrate and ammonium paratungstate hit the bottom of 60,000RMB/ton, it stoped falling and went up slightly last week. The change in market is faster than expected, for most enterprises thought the market will turn better at the end of August. During the slack season, the market operation reduces. However, working capital on the market starts to flow, some enterprises also start positive operation.
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.
In recent years, with the rapid development of the network, foreign trade in China has also increase, considering that the comprehensive utilization of both domestic and foreign markets and resources, since January 1, 2016, China has made some adjustments for the relevant economy policy on foreign trade.
There is a lyric that sings: the water took time story away, and changed you and me. This song took many people’s green years, and also changed many faces. Those summer that decorated with braided hair and uniforms skirt, those long streets that the white shoes ever run, those talking and laughing sounded on daddy’s bicycles and those days you tenderly smiled to me when Phoenix flower fallen on your shoulders. All of these had been caught in the pages of heavy books, and soak in the time of formalin became the most permanent specimens in our hearts.
Atsunori NEGISHI, Terunobu MAEDA
Technical Research Institute.
A series of tungsten compounds was tested to see the inhibiting effects against the growth of sulfuric acid producing bacteria (sulfur oxidizing bacteria; SOB) living in sewage treatment
It was said that foreign media reported WU-14, a new Chinese hypersonic weapon speculated, had been tested 10 times the speed of sound super weapon by Chinese military on Jan. 9, 2014, whose purpose is to break the U.S. missile defense system. The U.S. military named the testing object
Since the beginning of 2016, the international gold price is turbulent; so many gold investors were frustrated. Recently, the international oil price has been under great pressure, stock market trading is also very weak, which makes the gold, which has a strong hedging value,