1) Propellant charge structure
发射药装药结构
2) propellent charge
发射药装药
1.
The experiments show that DIANP propellent charge not only has good interior ballitic property, but also overcome the defect of porous propellant 125 charge, such as low energy, high hygroscopicity, unreasonable charge combustion character, and improve the high erosion and the serious muzzle flame existed in the present propellant charge containing high nitrog.
试验结果表明,叠氮硝胺发射药用于榴弹发射器装药,不仅具有良好的内弹道性能,而且可以克服多-125发射药装药存在的缺陷,如吸湿性大、能量低,尤其是瞬间速燃特性使得装药的燃烧过程显得很不合理,提高初速潜力有限,也可以改善榴弹发射器目前采用高硝化甘油含量双基发射药装药所存在的烧蚀大、枪口焰大的问题。
3) propellant charge
发射装药
1.
The semi-closed bomb control equations using study dynamic extrusion stress of propellant charge bed were established, and some experimental and numerical simulations were tested.
半密闭爆发器物理仿真与射击试验表明,半密闭爆发器气体压力与射击试验弹底药床气体压力变化规律相一致,为真实再现发射药床在弹道环境下的挤压破碎过程提供了理论基础,为发射装药发射安全性研究提供了新手段。
2.
The pressure difference between the inner and the outer of gunpowder holes caused by the loading density variation of propellant charge makes the erosive burning occur at the inner holes during in-bore burning.
由于火炮发射装药装填密度的变化,不同装填密度发射药所受的内孔与外部压力也不同,这种压力差使发射药内孔在火炮膛内燃烧时发生侵蚀燃烧。
4) propelling charge
发射装药
1.
We brought forward our view concerning the developmental tendency and major research items on the propellants,propelling charges.
对今后我国发射药及发射装药技术的发展趋势及重点研发项目提出了看法,对LOVA发射药、高能低烧蚀小口径高炮及轻兵器用发射药、液体发射药和随行装药、低温度系数装药、模块装药技术以及新型点(传)火技术等进行了分析。
2.
The propelling charge system uses highly progressive gun propellant compositions and geometries,a charge with low-temperature coefficient for pressure,and a pressure-compensating charge that increases pressure for the lower zones.
这是一种高威力的发射装药系统 (HPPCS) ,它可以将 4 5倍口径、2 3L药室的 1 55mm火炮 ( 4 5-2 3- 1 55mm)初速提高到 94 5~ 96 0m/s。
5) gun propellant charge
发射装药
1.
This paper focuses on the advance in study on launch safety for gun propellant charge.
介绍了发射装药发射安全性研究进展。
2.
Simulation of the compression and bursting of the charge bed in the chamber is one of the key problems in the study of launching safety of gun propellant charge.
发射药床挤压破碎的物理仿真是火炮发射装药发射安全性研究的关键技术。
6) charge structure
装药结构
1.
A theoretical analysis was made on the transmitted pressure on the bore wall in explosions of different charge structures such as borehole coupling charge,air-decoupling charge and water-decoupling charge.
对炮孔耦合装药、空气不耦合装药、水不耦合装药等几种装药结构形式爆破时孔壁的透射压力进行了理论分析,结果表明:同等炸药和岩石条件下,耦合装药,爆轰波直接冲击孔壁,孔壁透射压力最大;水不耦合装药,爆轰波冲击压缩水介质激起水中冲击波,由水将爆炸压力传递给岩石,孔壁冲击压力降低;而空气不耦合装药,爆轰产物则膨胀充满炮孔后再作用于孔壁,孔壁压力最小。
2.
Because of its particularities of p ossessing numerous blast holes, strictly required blasting parameters, strictly required perimeter holes' charge and charge structure, the construction quality must be optimized through adopting scientific hole positioning and drilling meth ods and optimizing the blasting parameters.
光面爆破技术已广泛应用于井巷施工中,由于其具有炮眼数目多、爆破参数和周边眼装药量及装药结构要求严格等特殊性,因此,必须通过采用科学的布孔定位和钻眼方法,优化爆破参数等措施来提高光面爆破施工质量。
3.
The influencing factors of diamond s yield rate,such as,catalyzer,charge structure and initiation manners,were experimentally researched respectively.
为了进一步提高炸药爆轰和爆炸冲击复合合成金刚石的得率,对影响爆轰和爆炸冲击复合合成金刚石得率的催化剂、装药结构和起爆方式分别进行了研究。
补充资料:安眠药、镇静药
安眠药、镇静药
HyPnoties,Sedatives
an而anyao、Zhenjingyao安眠药、镇静药Hypnotics,SedativeS蔡月刚上海医药工业研究院L概述··············……2.主要的安眠、镇静药2.1.醇类·········.··..……2.2.环状酞胺类·····……2.3.酸脉类···········……2.4.氨基甲酸醋类·”一2.5.苯二氮草类····……2.6.吩唯嗦类·······································……312.7.乙醇胺类·······································……312.8.二苯甲烷类······················,····……,··……312.9.叱咯酮类·······································……312.10.巴比妥类·······································……31参考文献················································……咒墓本参考文献··········································……33q八成J gJ广n占亡户nt了0‘2,﹄Q乙2,︺21.概述 安眠药又称催眠药,是一类对中枢神经系统产生抑制作用的药物,在应用适当剂量时,这种抑制作用能导致睡眠(见神经调节荆)。在较小剂量时可使紧张、焦虑和兴奋不安的患者安静下来,有思睡状态,但又不致入睡,这时就称为镇静药。大剂量的安眠药还可产生麻醉。实际上安眠药和镇静药并无明显的界限,而只有量的差别。有些类别的安眠药如使用特大剂量时还可引起昏迷和可能死亡。 失眠是一种不能得到良好睡眠的生理现象,表现为入睡困难、早醒、夜不成寐,即使暂时入睡,但醒后常感头晕脑胀、腰酸背痛,并无正常睡眠醒后的清新之感等等,总之,失眠患者常不能从睡眠中完全消除疲劳。失眠常与下列原因有关;如焦虑、心理障碍、精神上的打击、噪声(见噪声)和工作过度等等。长期失眠可造成中枢神经细胞功能失调,适当应用安眠药是必要的。 理想的安眠药应能使病人安然入睡,而在醒后不遗留任何不适感,并有正常工作的能力。一般患有失眠症的人,服用安眠药后即能获得类似生理性的睡眠,但多数醒后有精神萎靡不振等不良反应。如由于某些躯体疾病,如关节炎、神经痛和心绞痛等引起的失眠,则需首先进行病因性治疗口长期应用安眠药可产生依赖性和成瘾性。 目前对于睡眠发生的机理尚不清楚,但经过多年的努力,已经深入了一步。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条