“tungsten”可以造什么句，tungsten造句
2、gas tungsten arc welding
4、Molybdenum-tungsten alloy wires
6、tungsten arc inert gas welding
8、inert gas tungsten arc welding
10、Technical conditions of steel-bonded tungsten carbides
12、Tungsten resource is plentiful in China, tungsten alloy white cast iron liner has been developed and the tungsten is used as main alloy element.
14、It had a large, circular, tungsten inner core.
16、Tungsten powder and tungsten carbide powder--Determination of specific surface product (average graininess--Simplified nitrogen absorption method
18、Study is made for processing low grade tungsten mineral and waste residue of tungsten by soda sintering.
20、Improved jig sizing applied in roughing and gravity dressing, and improved tungsten fine deposit recovering technology enhance the recovery of tungsten fine deposit.
22、The field-activated pressure-assisted combustion synthesis (FAPACS) process was utilized to produce and densify tungsten carbides material from tungsten and carbon powders with different mole ratios.
24、It was used to sintering high melting point material-cerium-tungsten alloy, and gained good effect.
26、Paris Expo, at the Edison invented produced by the tungsten filament incandescent lamp.
28、Recent great technical progresses in ion_exchange technology of tungsten metallurgy in China are reviewed.
30、Raw and Auxiliary materials: iron powder, copper powder, tungsten powder, tungsten-carbide powder, stainless (high-speed) steel powder, magnetic material, ceramic material, nanophase material and other metal powders and alloy powders.
32、Tungsten metallurgy is superiority conventional industries. In pace with consumes of high-class tungsten resources, the impurity such as mo in the resources became more and more too many.
34、Not only is the luster of a tungsten ring brilliant, it will remain so for a lifetime.
36、Using WF6 and H2 as raw materials, tungsten plate formed by powder metallurgy as substrate, the deformable tungsten ingots were prepared successfully by a hot-wire CVD experimental facility.
38、This company produces straight-handle twist drill, hard metal multi-aid straight-handle twist drill, metal hole digger , tungsten alloy saw blade, and building drill.
40、Sensitive components for the hot wire, such as tungsten wire, platinum wire, rhenium wire, and the composition of the bridge by the hot wire.
42、Firstly, a thin steel wire is longitudinally pierced in the middle and upper part of the tomb room, and a large tungsten iodide lamp is hung on the steel wire. There are filaments on the tungsten iodide lamp, which can be pulled by human.
44、It is described a filter (300) for at least partially compensating for an X-ray tube (10) the target Angle heel effect and preserving the tungsten spectrum of the X-rays.
46、The municipality has49 kinds of minerals with proved reserves and218 mineral deposits, and the main minerals include coal, lead, zinc, copper, iron, tungsten, antimony, cement limestone and granite, of which35 kinds rank top three and23 kinds top one in the Province.
3、Molybdenum-tungsten alloy rods
7、nitrided niobium-titanium-tungsten alloy
11、Applied for making stranded tungsten wire, tungsten heater element and other no special temperature required devices.
15、Advanced production method of spherical cast tungsten carbide is introduced.
19、Composition of cobalt-tungsten deposit was changed with the change of tungsten concentration and current density in plating solution.
23、And the property, product specifications, application and economics of tungsten hexafluoride are described. The development prospect of tungsten hexafluoride is also reviewed.
27、Among the high temperature nonferrous metals are molybdenum, niobium, tantalum, and tungsten.
31、In recent years, counting on the advantageous resources, Chenzhou has greatly developed the high processing industry of non-ferrous metals focusing on lead, bismuth, tungsten and graphite etc, and has established the Asian largest production line of tungsten metallurgy.
35、The drill bit body has three wings four cylindrical tungsten carbide inserts and curved slots for removal of cuttings.
39、The temperature field in welding HAZ was studied and analyzed. Welding heat curve was set up by argon-shielded tungsten arc welding experiment.
43、In particular, when the refractory metal silicide film is a tungsten silicide film, the concentration of cu is preferable that it is in the range of 0.1 to 1.0 wt. %.
1、Cast tungsten carbide
9、Cobalt-coated tungsten carbide composite powders
17、The high specific weight tungsten alloy material is prepared by tungsten powder, nickel powder, iron powder and cobalt powder.
25、Sapphire and Nb alloy have been successfully brazed by use of tungsten-metallization technique.
33、The assembled tube was made of beryllium tube and tungsten tube, and was produced by over fitting.
41、The corrosion protection practice showed that the tubes with protective coating of nano titanium polymer and alloy tubes with tungsten-plating performed well in the corrosive environment.
5、argon tungsten arc process
21、The progresses of preparation and purification of tungsten hexafluoride, especially the preparation of high purity tungsten hexafluoride used in the electronic industry, are introduced.
37、The invention discloses a multi-element high-temperature resistant anti-shock magnetron cathode which comprises tungsten, thorium, rhenium and potassium.
13、Steel bonded tungsten carbides-Determination of impact toughness
45、The adoption of patent technology iodine tungsten lamp red heating can incorporate the energies of electricity, light and infrared ray radiation into a whole; and the water absorption rate can reach the best with the effects of radiation, conduction, convection and function of light energy.
29、The DT-MINI Deute rium Tungsten Halogen Light Source combines the continuous spectrum of an RF-excited deuterium UV light source and a tungsten halogen VIS-NIR light source in a single optical path.
