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- Double base position “双基础”地位
- In the wave style the arms and upper body are thrown forward over the water into the base position, after each pull. 在波浪式蛙泳里,每次划臂后,两臂和上半身向前抛入水中,进入基本位置。
- In both the modified wave and the flat style the arms are pushed forward through the water and into the base position. 改进的波浪式和水平式都是把两臂向前推动进入水中,然后进入基本位置。
- The results show that PDADN can increase burning rate and energy of nitramine modified double base propellant. 结果表明添加叠氮酸酯是一种提高硝胺改性双基推进剂燃速与能量的切实可行途径。
- The base position is then liquidated when it becomes apparent that the move has ended. 随后,当这一运动变得显然结束了时，将这基本头寸也平仓。
- The combustion mechanism of RDX modified double base spheric small size propellants is presented. 通过密闭爆发器实验测定了RDX改性双基小粒药的燃烧特性,并对实验结果进行了理论分析。
- At first MP MHQ got stuck north of Main.MP scouts triangulated UA base around 09:10.About the same time as MP MHQ reached base position. 刚开始MP基地车在北面第一座城受阻，MP的侦察兵钳形向UA基地靠拢，时间是9：10分，MP基地车也到了指定位置。
- Two methods were employed to eliminate the destruction of secondary flame inhibitor to plateau effect of nitramine modified double base propellants. 运用包覆预处理和直接进行燃速调节两种方法，消除消焰剂对硝胺改性双基推进剂平台燃烧的破坏作用。
- Moreover, the lens returns to its base position after every shutter release, so that the lens refocus from the beginning. 还有，它的镜头在每次快门释放后都要回到初始位置，下一次对焦又得从开始重来。
- The grain distribution and thermal decomposition characteristic of RDX in RDX modified double base spheric small size propellants are discussed. 讨论了改性双基球形小粒药中RDX颗粒的分布和RDX热分解的特点,提出了RDX改性双基球形小粒药的燃烧机理。
- The results show that the decompositions of RDX and double-base groups in modified double base spheric small size propellants are carryi... 随着压力的升高,改性双基小粒药的燃速将大于改型双基小粒药的燃速。
- The problem of dynamic coordinated control for a dual-arm space robot handing a single object without base position and orientation control is studied in this paper. 研究自由浮动空间双臂机器人在本体位置、姿态均不加控制时,抓取物体运动情况下的动力学协调控制。
- Jason: I was eleven years old and I was trying out for this baseball team-The Oilers.Well it came right down to me or this other boy for the third base position. 杰森：那时我十一岁，想加入一个叫加油工的垒球队当时要在我和另外一个男孩中间选一个打第三垒的。
- The thermal decompositions of RDX-CMDB modified double base propellants with a composite burning catalyst were investigated by using of PDSC and TG-DTG. 摘要用PDSC和TG-DTG研究了RDX-CMDB改性双基推进剂在一种含能复合燃速催化剂作用下的热分解。
- Elastomeric modified cast double base (EMCDB) propellant, which has good mechanical properties and plateau burning effect, was successfully prepared by granule casting process. 用粒铸工艺制备出了力学性能好、具有燃烧平台的改性双基弹性体(EMCDB)推进剂。
- The manufacturing technology of seismic charge with high detonation velocity containing single base propellant and double base propellant is researched. 研制含单基药、双基药的高爆速震源药柱，并对其制造工艺进行了研究。
- The effects of TPUE on the mechanical properties, technique properties, combustion and energy properties of nitramine modified double base propellant are studied. 研究了热塑性聚氨酯弹性体对硝胺改性双基推进剂的能量性能、力学性能、燃烧性能以及工艺性能的影响。
- Temperature distribution of combustion flame of double base propellant,composite propellant and NEPE propellant(taking HNIW or HMX as oxidizer)were measured by using relative light intensity method. 采用相对光强度法测定了双基推进剂、复合推进剂及NEPE(氧化剂为HNIW或HMX)推进剂的燃烧火焰温度分布。
- Abstract: The influence of azide nitrate ester PDADN [1，3-propanediol, 2,2-bis(azidomethyl), dinitrate(ester)] on combustion property of nitramine modified double base propellant has been studied. 文摘:研究了一种叠氮硝酸酯PDADN对硝胺改性双基推进剂燃烧性能的影响。
- In order to improve the mechanical properties, a novel thermoplastic polyurethane elastomer(TPUE) with good miscibility with NG and NC is synthesized and used in modified double base propellant. 为了改善力学性能,合成了与硝化甘油(NG)、硝化纤维素(NC)具有良好相溶性的新型热塑性聚氨酯弹性体(TPUE),并应用于改性双基推进剂研究中。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
