Predigested mathematical model of hydraulic hammer and mathematical models considering viscous friction and hermetic resistance were simulated,and the obtained datas were analyzed.
介绍了一种新型液压锤的工作原理,对液压锤的简化数学模型及考虑所受粘性摩擦力、密封阻力的数学模型进行了仿真研究,并对得出的数据进行了分析。
channel blocker
通道封阻剂，通道阻断剂
promoter occulsion
启动子封阻[上游启动子对下游启动子的阻碍作用]
Study on Karyotyping of Brassica C Genome Based on Brassica A Genomic DNA as Block Reagent;
芸薹属A基因组DNA封阻下的C染色体组分型研究
Identification of Metaphase Chromosome in Brassica Oleracea with Blocking of B Genome by FISH;
B基因组封阻下的甘蓝中期染色体FISH分型研究
To close off or block with a barricade.
封锁，阻挡用障碍物来封锁或阻挡
block access [web site]
堵截、封锁、阻止接达〔网址〕
non-enveloped thermistor
非密封型热敏电阻器
a stopped (or stopped-up) nose.
阻塞的（或封住的）鼻孔。
the blockading ships prevented delivery of munitions.
封锁船封锁港口阻止军需物品的运送。
Technology for End-coating Chip Resistors and the Structure and Principle of the End-coating Machine
片式电阻器封端工艺及封端机的结构原理
Research on Damping Properties of Hyperbranched Polymers Endcapped by Hindered Phonlics;
受阻酚封端超支化聚合物阻尼性能的研究
Performance and application of a non-vulcanizable anti-corrosive sealing paste
非硫化阻蚀密封膏的性能研究及应用
To cut or destroy(a line of communication)by firepower so as to halt an enemy's advance.
阻断，封锁以火力切断或毁坏（交通线）以阻止敌人前进
Effects of the Magnesium-series Flame Retardant Agents on the Properties of Polysilicone Sealant;
镁系阻燃剂对有机硅密封剂性能的影响
Application of EIS technique in the protection of iron relics;
交流阻抗法评价铁质文物封护剂耐蚀性的研究
Talking About Interference and Hindrance of the Influence of Ming&Qing Dynasty s Patriarchal Clan on Social Economy;
论明清封建宗族势力对社会经济的干预与阻碍
Introduce and Application of Frictionless Hermetic Damper
金属密封无摩擦阻尼器介绍及工程应用
Performance of damping-sleeve for vibration control in labyrinth air seals
用于篦齿封严装置的阻尼套筒减振性能研究