内流的
- 与 内流的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Dogs were selected as experimental subjects. Using micrurgy to destroy the valves in both sides of common iliac veins, external iliac veins, femoral veins and popliteal veins, establishing theanimal model of refluxing.
取杂交犬6条,全身肝素化,采用显微操作方法破坏每条犬的双侧髂总静脉、髂外静脉、股静脉和膕静脉内的生理瓣膜,构建下肢返流性疾病的动物模型。
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An input phase voltage is divided into a main range and a transition range in which new P, M, N conditions and PM, NP, MN transition conditions are defined, some null vector is selected and the condition combination sequence of bidirectional power switches are adjusted in each modulation period to realize the safe, reliable and rapid commutation and the stable operation of the matrix converter.
本发明属于矩阵变换器控制技术,为一种用于矩阵变换器的控制方法,通过把输入相电压划分为主区间和过渡区间、在过渡区间定义新的P、M、N状态和PM、NP、MN暂态以及在每个调制周期内选择特定的零矢量并调整双向功率开关状态组合顺序,实现矩阵变换器安全、可靠、快速换流和稳定运行。
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More and more studies have been carried out on population genetic structure of rotifer population and gene flow by molecular technologies to assess the effect of cyclic parthenogenesis and resting egg bank on rotifer's genetics and evolution.
由于循环孤雌生殖和休眠卵库的存在,使得轮虫种群内的遗传变异和种群间基因流模式有别于其他动物。目前,国外有关轮虫分子遗传和进化的研究还刚刚起步,国内还没有这方面的报道。
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Effects of Coriolis force were analyzed with the three dimensional simulations and the following conclusions were drawn: The tangential component of Coriolis force induces cross stream secondary flow in the form of two-cell pattern,while the radial component of Coriolis force decelerates and accelerates the cent...
计算结果表明,切向哥氏力推动了通道截面内的双涡二次流,径向哥氏力则使得近侧壁流体加速和中心流体减速。换热计算结果从定性趋势上吻合公开文献中的实验现象,反映了旋转附加力的基本影响规律。
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In the literature, the stress exponent n is mostly reliable and with high recurrence rate, the activation energy Q is, in some extent, reiterative, however, the coefficient A is poorly reiterative .
文献中给出的流变参数中,应力指数n的可靠性高,具有良好的重复性,激活能Q在一定范围内具有重复性,而系数A重复性差。
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Experimental results show that riblet surface changes field flow structure of boundary layer, restrains turbulent variance, debases turbulence intensity, brings on drag reduction effect and preparation of riblet surface using quasi-LIGA technology is feasible.
试验结果表明,脊状表面改变了边界层内的流场结构,抑制了湍流脉动,降低了湍流度,达到了减阻效果。同时,利用准LIGA成形技术制备脊状表面的方法是可行的。
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The results showed that the initial rotating time of ball rotor was regulated by the flow of pseudofluids through an orifice of ball rotor so as to make the small caliber fuse attain required safety separation distance.
结果表明,通过球转子腔内准流体的泄流可以控制球转子的转正时间,进而使小口径引信获得预期的延期解除保险距离。
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For dealing with deposited mud and sand,reef,projecting rocks and other navigation questions,all of the reefs in channel were blasting demolished before water storage 156 m .
摘 要:为解决涪陵至铜罗峡间的泥沙累积性淤积、礁石碍航、峡谷河段礁石突嘴产生不良流态等通航安全的问题,对航道内的礁石在蓄水位156m 前进行爆破清除。
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In phase one, the suspended liquid from semicontinuous slurry microcosms was used as an inoculum in CSTR. In phase two, the effluent of column experiment was used as an inoculum in CSTR. The purpose of two phases is to find out the correlation between environment factors and toluene-utilizing bacteria community for each phase, and to compare with the correlation between phase one and phase two.
混合连续流实验依菌种来源不同分为两阶段进行,第一阶段利用半连续培养泥浆法血清瓶中的悬浮菌液作为菌种来源;第二阶段则是利用管柱试验之出流液作为菌种来源,比较及观察两阶段反应器内的环境因子与甲苯分解菌社会结构的关联性。
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Its structure is characterized by the fact that the sieve plate is replaced by a bubble cap plate and a plate of large holes to make water distribute better;a special shroud.
本文研究的防堵防跑双罩式内循环流态化水冷器的结构特点是:底室采用泡罩板加大孔均布板取代筛孔容易堵塞的筛板;水冷管出口安装挡粒调匀罩。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。