1. People sniffers The XM-2 backpack mounted personnel detector. The United States was desperately seeking a way to detect North Vietnamese Army and Viet Cong movement across the DMZ and down the Ho Chi Minh trail not to mention the bands of NVA and VC that were hiding in the dense jungles of South Vietnam.Get A Quote
1. People sniffers The XM-2 backpack mounted personnel detector. The United States was desperately seeking a way to detect North Vietnamese Army and Viet Cong movement across the DMZ and down the Ho Chi Minh trail not to mention the bands of NVA and VC that were hiding in the dense jungles of South Vietnam.
May 20 2020nbsp018332Vietnams iron ore has an outstanding advantage of high grade which can save a lot of beneficiation processes and bring more development value. Based on the common types of Vietnams iron ore this article will analyze the common beneficiation techniques of the several iron ores hoping you can get some ideas for your project.
The United States was desperately seeking a way to detect North Vietnamese Army and Viet Cong movement across the DMZ and down the Ho Chi Minh trail not to mention the bands of NVA and VC that were hiding in the dense jungles of South Vietnam. The U.S. infamously used the chemical defoliant Agent Orange to strip vegetation from entire areas but it was more effective at giving everyone cancer than it was at outing hidden bands of the enemy.
So the minds over at General Electric created a mobile cloud chamber that could detect ammonia a component of human sweat. They called them the XM2 and XM3 personnel detectors but the troops who used the devices quickly dubbed them 8220people sniffers.8221 While troops hated the XM2 backpack versions and for good reasons like the noise it made in an ambush area and the fact that it detected their sweat as well as the enemy8217s the XM3 saw widespread use on helicopters.
However the enemy caught on and began to post buckets of urine around the jungle to create decoys for people sniffers. In the end the device wasn8217t even that great at picking up people but it did detect recent cooking fires which retained its usefulness.
It8217s fairly well-known by now that the punji stick booby traps used by the Viet Cong during the were sometimes smeared with poop as a means to cause a bacterial infection in the victim. The idea was to try to take as many people and resources from the battlefield as possible one injured soldier at least one more to help cart him away and maybe a helicopter could be lured into an ambush trying to medevac the wounded.
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Vietnam exported approximately 6.9 million tons of crude oil in 2017 sending the majority to its regional neighbors. With the Nghi Son Refinery opening up in early 2018 Vietnam will have two refineries each producing a wide variety of petroleum products mostly for the domestic market but some for exports.
Imagine an explosive device filled with thousands of tiny darts or nails. It8217s not difficult many anti-personnel weapons use some kind of shrapnel or fragmentation to wreak havoc on enemy formations. Flechette weapons in the Vietnam War were no different. American helicopters ground forces and even bombers would fire missiles and rockets filled with thousands of these darts launched at high speeds to turn any enemy cluster into swiss cheese.
A unique version of the flechette weapons however came from B-52 Bombers who would fly so high as to be pretty much silent to enemy Viet Cong or North Vietnam Army formations on the ground. When dropped from such a high altitude the darts didn8217t need an explosive to propel them as they fell to Earth they gained in velocity what they would have had from such an explosion. The result was a deadly blast of thousands of darts that was both invisible and inaudible until it was too late and death rained from the sky.
Jun 25 2020nbsp018332The cone crusher market was valued at USD 1450. 3 million in 2019 and it is expected to reach a value of USD 1988. 8 million by 2025 while registering a
May 13 2015nbsp018332The Nordberg HP5 follows the successful HP3 HP4 and HP6 as the fourth model in an all-new range of high performance cone crushers. The design of the new HP5 draws on over 100 years of crusher know-how and their experience with more than 9000 HP models in operation worldwide. Metso says that the result is a crusher which delivers the perfect .
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Metsos new HP5 cone crusher was introduced to the global market at the AGG1 trade show in March. It was created with safety simplicity and eco-efficiency in mind featuring automatic settings specialized maintenance tools reduced emissions and energy-efficient motors.
The Nordberg HP5 follows the successful HP3 HP4 and HP6 as the fourth model in an all-new range of high performance cone crushers. The design of the new HP5 draws on over 100 years of crusher know-how and their experience with more than 9000 HP models in operation worldwide. Metso says that the result is a crusher which delivers the perfect combination of efficient crushing action optimal feed size high performance and the lowest cost per ton.
The HP5 has a five percent larger feed size than the HP400 and higher capacity than the HP500 in tertiary applications. In addition a higher cavity density improves interparticle crushing action resulting in end products with more consistent gradation and superior shape.
An advanced fastening system for the mantle and bowl liner eliminates the need for backing material making liner changes safer and faster while thicker liners result in more material to wear.
The HP5 cone crusher is also easy to disassemble and all components are accessible from the top or side. The bowl and head can be easily and safely removed.
A new motor support allows the belts to be stretched hydraulically and lifting points have been redesigned to easily and safely lift the HP5. There are platform guards which help ensure operator safety and protection.
The HP5 features Metsos innovative IC70C crusher automation system. This system is precisely designed to meet customer expectations and crushing plant requirements. The result is consistent production safety and easy control of crusher parameters.
Some of the many benefits of the IC70C system are control of the feed and discharge conveyors wear compensation auto-setting adjustment and remote control.nbsp
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