How to minimize nervous in tungsten dart game? There are some easy ways to help you master your nerves when you are in tungsten dart game:
 
You’re on the line, about to throw your second dart of the match and it starts. It’s like your hand is a rough idling engine. Now what do you do? You still have two darts in hand. Here’s an easy way to work through the shakes and throw like a champion.

Think positive thoughts. This sounds lame but it really works. Big time athletes use the power of positive association to become superstars. You should be using it too. Just imagine the last time you threw an incredible dart game – that triple you hit, a huge double out you nailed. And then envision your current dart landing exactly where you want it to land. Take a few deep breaths, step up to the line, concentrate on your number and throw with confidence!

Never give up. Always remember one thing – “never say never”. Fight the good fight and you’ll never leave a match feeling let down. We all have bad outings – no one is perfect. But the great dart players do not go down easy. No matter how bad it looks, keep working and you’ll be amazed at how many opponents get caught looking in the rearview mirror at you instead of focusing on the game. Either you pull out an amazing come-from-behind win, or you leave the game with pride knowing you made a good run at it.

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What a great feeling it is to be in the zone when throwing tungsten darts. You just know that every throw is going to be spectacular. Unfortunately, being in the dartboard zone doesn’t happen all that often for most amateur tungsten dart players. Here are a few tips to help you get in the zone more often:

Positive visualization. Close your eyes and visualize the tungsten dart going exactly where you’re aiming. Remember the last time you threw a great round of tungsten darts. Close your eyes and picture your tungsten dart landing in the perfect spot. Channel the positive energy through your arm to your fingers and to the eventual release of the tungsten dart. Open your eyes, take a moment to concentrate on your physical target and throw your darts with confidence.

Stretch and warm up properly. We all forget to stretch, but it goes a long way to ensure a great round of tungsten darts. Get your physical body ready to throw by stretching your finger joints, forearms, biceps, triceps and back. If you are stiff at the start of a match there's a good chance you will start slow and it could affect your confidence at the dart line.

Have a calm state of mind. Concentrate on slowing down your heart rate. Before a match, minimize any activity that makes you anxious. Get to the match early and try to relax. Take a walk around the block. Concentrate on slowing down your breathing throughout the night. There have been many studies that link a breakdown in motor reflexes with nervous, quick breathing.

Don't over-think it. Have confidence in your game and throw your tungsten darts. The zone will come, but you can’t force it. So get over the thought that you have to be perfect every time you throw. Play as if each dart is a new dart and keep a positive attitude. Just believe in your game and let them rip.

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Tungsten carbide pulsed jet-flow is uncertain, which enhances the prompt impact of nozzle axis. Most of rocks are fragile and compressed energy will be stored in rock formations. When the cycle is unloading, the compressed energy inside the rocks is releasing on surface to swell, which pushing the rock crumbs out. However, when the tensile stress inside is exceeding the limit of rock, it will be broken. In addition, there are two characteristics of tungsten carbide pulsed nozzle using in drilling. One is the cycle of impact is discontinuous and uneven, another is lateral overflow with three patterns of purification (speed, kinetic energy, shear stress) moves  the debris. Therefore, tungsten carbide pulsed nozzle has to be applied in many oil and gas fields, under the same conditions and relatively conventional continuous jet nozzle can be increased by 20% -40% penetration rate, drill footage increased by 15% -25%.

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When drilling, owing to the drilling machine and rock crushing separating the cuttings often pressed at the bottom by huge pressure differential, which also known as "cuttings hold effect." And this effect is easy to form large clumps of plastic so as to form a layer of "cushion" between the drill bits and inside rocks. Therefore, the drilling speed is decreasing and the abrasion of drilling bit is accelerating. The most significant part of drilling is hydraulic power and the spray drilling takes full advantage of this for cleaning and rock breaking. The related statistics show that tungsten carbide pulsed nozzle prompt energy is 1.5 times bigger than normal nozzle, and effective distance is improved so that the pressure is distributing more reasonable, and the efficiency is enhanced.

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Tungsten carbide hollow atomizing nozzle is the most extreme requirement in atomizing quality (especially applied in aviation and combustion engine). Due to its average smaller size, it can deal with a part, which surface is larger and has a huge influence on substance movements. Consequently, tungsten carbide hollow atomizing nozzle is widely used in industry stove kiln, cooling, metal part surface treatment, air humidification, dustproof and coating. Its support spraying angle common sizes are 30°, 45°, 60°, 90°, 120°, 160°, and types are thread connection, ferrule connection, quick-release connection and welding connection, etc.

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Tungsten trioxide is one of the materials used for the preparation of lanthanum tungsten electrode, whose main composition is WO3, and its impurities are Al, Ca, Cu, Ni and the like.

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Tungsten carbide solid atomizing nozzle can spray atomization on given surface, which can be specifically divided into two types. One is simple straight, and its spraying angle is below 15°and similar to straight line spraying. Therefore, the longer spraying distance, the impact is more powerful. It can be widely used in cooling, cleaning and fireproofing. The other one is set rotating vanes inside and its angle of atomization can reach 50°-120°. But it is lacking in impact so that often used in dustproof and humidification. In a word, tungsten carbide solid atomizing nozzle usually has wider size and can be applied in vapor atomization.

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Tungsten trioxide, also called tungsten anhydride, which is one of the raw preparation materials of lanthanum tungsten electrode. It is a kind of yellow powder, which is a water-insoluble, alkali-soluble and slightly soluble in acid. It can be used to prepare tungsten alloy and fireproof materials.

Physical properties:
Color: Yellow
Status: powder
Formula: WO₃
Molecular Weight: 231.85
Melting point: 1472 ℃
Boiling point: 1837 ℃
Relative density: 7.16 (water = 1)
Solubility: insoluble in water, slightly soluble in acid, alkali-soluble.
Structure: The structure is determined by the temperature.
When the temperature range is from -50 to -17 ° C, it is triclinic
When the temperature range of 17-330 ° C, it is monoclinic
When the temperature range 330-740 ° C, it is orthorhombic
When the temperature range above 740 ° C, it is tetragonal
Among them, the most common is monoclinic; and its space group is P21 / n.

Chemical properties:
When the temperature is at 850 ℃, it will significantly sublimate;
In addition to hydrofluoric acid, it almost does not react with inorganic acid, and it can be dissolved in ammonia / concentrated alkaline solution (slowly);
It can react with chlorine gas to produce chlorine oxide (heating), but not reacting with bromine and iodine.



 

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Under the same experimental conditions, the application performance comparison of cerium tungsten electrode and tungsten thorium electrode can be seen as follows:

(1) Weld penetration
Cutting the two electrodes having the same diameter, length, and then welding a stainless steel plate (electrode diameter of 4 mm, thickness of 8 mm), after comparison, found that: weld penetration of 2% thorium tungsten electrode is the most shallow, and it is not symmetrical; weld penetration of 4% cerium tungsten electrode is deeper.

(2) The burning rate
Burning rate of cerium tungsten thorium electrode is lower than tungsten thorium electrode, and if the cerium content increases, its performance will be better.

(3) Repeated arc ignition reliability
Experimental materials: electrodes (whose diameter is 3.0 mm)
Experimental procedure: under 200A conditions, positive polarity dimension arc two minutes every two minutes and then arc again, repeating 50 times in a row.
Results: thorium tungsten electrode can not build arc at one time, and its arc dispersion is very irregular and scattered; whereas cerium tungsten electrode can be a trigger to build a stable arc.

(4) Loss ratio
Loss ratio of 2% thorium tungsten electrode is 0.2503 g;
Loss ratio of 4% cerium tungsten electrodes was 0.0655 g.

 

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Set up marketing system to make better use of resources:

According to the national laws and rules, Ganzhou government conformed to the resources and standardized the mining of tungsten by approving the confidential of mineral mining and exploring. In Aug. 2003, as an experiment, Dayu government auctioned 12 tungsten mining licenses in public and made great success. So far, all mining licenses of Ganzhou have been auctioned and atoned beneficially; mining workers were re-employed; the resources were cherished and utilized more efficiently; benefits of enterprises increased obviously. And a developing platform of well-knit basis has formed. Some tungsten metallurgy enterprises had their own mines, which ensured their further development with resources.


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