primary explosive वाक्य
उदाहरण वाक्य
मोबाइल
- As a general rule, PETN is considered to be either a relatively insensitive primary explosive, or one of the most sensitive secondary explosives.
- If detonators with primary explosives are used, the shock wave of the initiating blast may set off the detonator and the attached charge.
- ANFO is a tertiary explosive, meaning that it cannot be set off by the small quantity of primary explosive in a typical blasting cap.
- Conventional blasting caps use electricity to heat a bridge wire rather than vaporize it, and that heating then causes the primary explosive to detonate.
- Besides the primary explosive material in the shoes, they also contained a small amount of a highly dangerous material that can be used as a detonator.
- A fuze may contain only the electronic or mechanical elements necessary to signal or actuate the detonator, but some fuzes contain a small amount of primary explosive to initiate the detonation.
- PETN was used for these detonators because it was safer than primary explosives like lead azide : while it was sensitive, it would not detonate below a threshold amount of energy.
- Fulminic acid and its salts ( fulminates ), for instance mercury fulminate, are very dangerous, and are often used as detonators for other explosive materials, and are examples of primary explosives.
- Firstly, there is a major safety issue, i . e . detonators are ( like all primary explosives ) much more sensitive to shock, heat, and friction than an explosive booster.
- In spark detonators, PETN is used to avoid the need for primary explosives; the energy needed for a successful direct initiation of PETN by an electric spark ranges between 10 60 mJ.
- Imprecise contact between the bridgewire and the primary explosive changes how quickly the explosive is heated up, and minor electrical variations in the wire or leads will change how quickly it heats up as well.
- For example, a match will not cause plastic explosive to explode, but it will light a fuse which will detonate a primary explosive that will shock a secondary high explosive and cause it to detonate.
- Now yes, it seems ridiculous at first, since the primary explosive inside a blasting cap has a very powerful shockwave, whereas you think of an exploding battery as being a confined gas bursting a container.
- "' Fulminating gold "'is a primary explosive first synthesized by alchemists believing it to be the Philosopher's stoneresulting in injuries and accidental deaths from unexpected explosions . " The first high explosive to be made ."
- An example is the British World War II " Fuze, Percussion, D . A ., No . 233 " ('direct action') The primary explosive transmits its detonation to an explosive booster within the fuze, then in turn to the main charge of the shell.
- It is more difficult to detonate than primary explosives, so dropping or igniting it will typically not cause an explosion ( at atmospheric pressure it is difficult to ignite and burns relatively slowly ), but is more sensitive to shock and friction than other secondary explosives such as TNT or tetryl.
- "' D "': Secondary detonating explosive substance or black powder or article containing a secondary detonating explosive substance, in each case without means of initiation and without a propelling charge, or article containing a primary explosive substance and containing two or more effective protective features . ( 1.1D, 1.2D, 1.4D, 1.5D ).
- Investigators searching Rudolph's rented trailer in Murphy, North Carolina, in February 1998 found ethylene glycol dinitrate _ the primary explosive ingredient in one type of dynamite _ on a towel, a dark baseball cap and a cushion from a rocking chair, according to an affidavit attached to the original indictment against Rudolph.
- "' Cyanuric triazide "'( C 3 N 12 or ( NCN 3 ) 3 ) is described as an environmentally friendly, low toxicity, and organic primary explosive with a detonation velocity of about 7, 300 m�s " 1, and ignition temperature at 205 �C . Primary research on this compound focuses on its use as a high energy density compound.
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