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- Preparation, formula and properties testing were introduced for HMS series high range water reducing agent. 介绍了HMS型系列高效减水剂的制备方法、配方、以及性能测试。
- In order to obtain high range resolution, the Chirp signal is used as subpulse to form stepped frequency modulated radar signal. 摘要为了获得高距离分辨率,将线性调频信号作为子脉冲构成调频步进雷达信号。
- The high squint SAR echoes can be compressed in range and azimuth separately according to their high range walk and small range curvature. 根据机载斜视SAR回波信号大距离走动小距离弯曲的特点,在时域校距离走动,这样距离和方位两维压缩可独立进行。
- Naphthalene series of high range water reducing agents is a kind of an excellent water reducing admixture widely in use. 萘系高效减水剂是一种用途较广性能优越的高效减水剂。
- CIR coumdrone indene resins of high range water reducing agents features in low cost and good properties and has a broad perspectives in application. CIR古马隆树脂系高效减水剂 ,成本低 ,性能好 ,具有广泛的应用前景。
- The mechanical properties and durability of chemically activated high range slag cement were studied. The chemical activator is Na_2CO_3 with incorporation rate from 0.5% to 2.0%. 探讨了化学激发剂Na2CO3对高掺量矿渣水泥的力学及耐久性能的影响。
- Inverse Synthetic Aperture Radar (ISAR) is a kind of high range profile radar.It can be used for radar imaging such as aircraft and space objects and other targets. 逆合成孔径雷达(ISAR)是一种高分辨成像雷达,它可以实际用于对诸如飞机和空间物体等目标进行成像。
- This paper analyzes the reason why the FMCW signal determined with high sweep repetition frequency (HSRF) generates high range sidelobes in deramping processing. 本文分析了高扫频重复频率的确定截断FMCW信号在去斜率方式下处理高速运动目标时产生较高的距离旁瓣的主要原因。
- The addition of NH4+ increased ARk for the blue clayey paddy soil but decreased ARk for the fluviogenic loamy paddy soil,and for the silt loamy paddy soil it increased ARk at low range of ARk and decreased the ARk value at high range of ARk. 加NH_4~+使青紫泥AR~K提高、泥质田AR~K降低、粉泥田在低AR~K时提高而高AR~K时降低;
- The high range resolution capability of stepping frequency radar with its unique waveform and processing is being exploited to solve the problem of detection of low RCS targets in heavy clutter. 频率步进雷达,由于其高距离分辨能力及独特的波形和处理,正在用来解决强杂波中小目标的检测问题。
- The lower propofol concentration, the higher range of AAI were, the longer the time persisted. 结论 1.;在丙泊酚镇静时, AAI能灵敏地反映电针针刺时引起的疼痛反应, TCI丙泊酚浓度越低,AAI升高的幅度越大,延长的时间越长。
- After crossing these high ranges, the plane can almost glide down into the rich valleys of California and, finally, to a landing not far from the beaches of the Pacific Ocean. 飞越这些高山峻岭之后,飞机几乎可以从高空向加利福尼亚肥沃的盆地滑翔而下,最后在离太平洋海滨不远的机场着陆。
- The analysis and simulation shows that this radar system has higher range resolution and insensitivity to Doppler shift, etc. 分析与仿真结果表明,这种雷达系统具有距离分辨率高、对多普勒频移不敏感等特点。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- Gramley thinks the Fed is now starting to shift its inflation target from a range of 1.5 to 2 percent annually to a higher range of 2 to 2.5 percent annually. 格莱姆雷认为,美联储目前已开始改变其通胀目标从一系列的1.;5至2百分之每年向更高的一系列2每年百分之二点五。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- I set a high value on his advice. 我认为他的忠告很有价值。