查询词典 pulsating

Pulsating heat transfer phenomenon is applied to produce a kind of pulsating combustor with high efficiency and low pollution.

详细脉动传热问题在近几十年得到了国内外广泛的关注。

The results indicate that the heat transfer coefficient increase about fourteen percent between the bed and the wall and the one between the gas and horizontal tube increase about twenty two percent, it means pulsating promote heat transfer, Desulfurizing Characters Experimental Research on Pulsating Fluidized Bed With different initial SO_2 density, mean diametric of the calcium oxide and combustion temperature, the experimental results of desulfurization with pulsating or not indicate that the desulfurizing characters of the Rijke type self-exciting pulsating fluidized bed are the same with the conventional fluidized bed combustor, it is that the utilization ratio of the calcium oxide increasing with the initial SO_2 density, the desulfurizing combustion temperature has the best value and the utilization ratio of the calcium oxide reducing with the mean diametric of the calcium oxide.

脉动流化床脱硫特性实验研究对不同初始SO_2浓度、不同初始脱硫剂颗粒平均直径、不同燃烧区温度条件下脉动与非脉动状态下流化床内的脱硫实验研究表明，Rijke型自激式脉动流化床具有类似于常规流化床燃烧器的脱硫特性：固硫剂的CaO利用率随初始SO_2浓度的增加而增加，脱硫燃烧温度存在最佳值，以及CaO利用率随脱硫剂颗粒平均直径的增加而减小。

In this paper,the effect of over big pulsating voltage is described,the formation of pulsating voltage is analyzed.

过大的脉动电压造成发电机部件的危害和影响，分析脉动电压的形成，重点论述设计和制造中如何控制脉动电压，以

In previous studies, Cyclooxygenase-2(COX-2) is believed to be linked with inflammations and tumors. But in recent reports, COX-2 is found to play important roles in osteoblastic mechanotransduction and in bone remodification and resorptions in some ways. It was found that mechanical stretches, such as hydrostatic forces and pulsating fluid flow, could increase the expressions of COX-2 mRNA and then prostaglandins, and activate many signal pathways in osteoblasts.

环氧合酶-2(cyclooxygenase-2，COX-2)以往被认为与炎症、肿瘤等有密切关系，近年研究发现它在骨骼重建、骨质吸收以及成骨细胞力学信号转导中发挥着重要作用，主要表现为机械牵拉、流体力、节律性液体流(pulsating fluid flow，PFF)等机械刺激均能引起成骨细胞COX-2高水平表达，进而引起前列腺素(prostaglandins，PGs)量的增加，激活成骨细胞内多条信号传导通路。

SLon vertical ring pulsating high gradient magnetic separator is an industrial apparatus that utilizes the combined force field of magnetism,pulsating fluid and gravity to continuously beneficiate fine weakly magnetic minerals.

SLon立环脉动高梯度磁选机是一种利用磁力、脉动流体力和重力的综合力场连续分选细粒弱磁性矿物的工业设备，它具有富集比大，选矿效率高，磁介质不堵塞，设备工作稳定等优点。

Pulsating combustion ; Rijke tube ; self-excited ; pulsating boiler ; combustion

脉动燃烧； Rijke管；自激励；脉动燃油锅炉

Truck diesel-powered milking machines forage cutter TMR day mixed grain feed mixers vacuum milking machine vendor-crowded cattle Piston milk machine, vacuum pump milking machines, Shitong Milking machines, milking machines pipeline, parallel-milking machines, fish-bone milking equipment, Semiautomatic-shedding machinery, electronic automatic metering - shedding, Meter type, metering bottles for the Complete Office milking equipment, wind pumping machine, machine shed shutter, silage forage cutter, single-deck, double-Mower, rub grinder, hydraulic binder, Dry imports, ring, ring vacuum pump oil, and to provide the Office of milking equipment cleaning fluid, nipple disinfection Lifestyle, Mastitis detector, Ka pregnancy test paper, milk filter paper, calf feeding device, drug Bath Cup, vacuum pump oil, build kicked suit, rangeland management software, agent sales internationally renowned brands sets milking equipment accessories : 1. Interpuls all products : L02 pulse device, L80 pulse device, LE20 pulsating electronic devices, Vacuum Regulator, shedding ACR automatic, self-cleaning, pulsating tester, milk contrast, milk lined, double-pulse tube, and so on.

车载式挤奶机柴油动力铡草机 TMR全日混粮饲料搅拌车挤奶机真空泵供应商玉牛活塞式挤奶机，真空泵式挤奶机，提桶式挤奶机，管道式挤奶机，并列式挤奶机，鱼骨式挤奶设备，机械半自动脱落式，电子计量全自动脱落式，计量计式，计量瓶式成套挤奶厅设备，风力扬水机，大棚卷帘机，青贮铡草机，单盘，双盘割草机，揉搓粉碎机，液压打捆机，进口干式，水环，油环真空泵，并提供挤奶厅设备专用清洗液，乳头消毒润肤液，乳房炎测定仪，卡玛早孕试纸，牛奶过滤纸，犊牛喂奶器，药浴杯，真空泵油，修踢套装，牧场管理软件等，代理销售国际知名品牌成套挤奶设备配件：1、Interpuls全部产品：L02脉动器、L80脉动器、LE20电子脉动器、真空调节器、自动脱落ACR、自动清洗、脉动器测试仪、奶衬、奶衬、双脉动管等等。

By using two different three-dimensional source distri- bution techniques, three-dimensional translating-pulsating source (3DT) and three-dimensional pulsating source (3DP), numerical investigations have been carried out for a high speed monohull ship (RD-200) advancing in oblique waves. The numerical results are compared with experimental values obtained from wave load tests carried out at the SSPA. These extensive test results cover different wave directions at a wide range of wave frequencies.

本文在高频运动的假设之下，使用一种简化的三维振荡(3D pulsating)格林函数，3DP，以及与实际波系接近的三维前进－振荡(3D Translating-pulsating)格林函数，3DT，对於一艘高速单体船(RD-200)进行斜浪中规则波之波浪动态压力负荷分析；理论计算将以两种三维源点法进行波浪负荷评估并与由船模试验加以验证，船模实验於瑞典SSPA方型风浪水槽进行。

The boost converter is a voltage step-up and current step-down converter .the current source is synthesized from a DC voltage source by adding a large value inductor in series .in DC regulated power supply applications ,the voltage sink represents a large value capacitor in parallel with the load resistance .in the application of the DC motor control ,the voltage sink represents the back emf of the DC motor .the switching action produces a pulsating current .the capacitive filter smoothens the pulsating current and provides a DC voltage to the load

升压转换器是一个升压和降流的转换器。电流源是一个直流电压源添加一个大值电感串联合成的。在直流稳压电源的应用，电压降代表一个大值电容并联一个负载电阻。在直流电机的控制应用中，电压降代表反电动势的直流电机。转换行为产生一个脉动电流。一个滤波电容是这个脉动电流平和并且提供直流的电压负荷。

Fluidization and Sounding Pressure Characters Experimental Research on Pulsating Fluidized Bed After verifying experimentally the Rijke type self-exciting pulsating fluidized bed combustion, under different operating conditions (different empty cross-section wind speed and inaction bed height), experimental research the oscillation characters of sounding pressure in the pulsating fluidized bed. The results indicate that the sound characters in the Rijke type self-exciting pulsating fluidized bed combustor are the same with it in the Rijke type combustor, the pressure in the combustor oscillate up and down in the sinusoidal manner and the pressure is the superposition of the multiple harmonic waves.

脉动流化床流化与声学压力特性实验研究在实验验证了Rijke型自激脉动流化燃烧概念后，在不同运行条件(空截面风速、静止床层高度)下，实验研究了Rijke型自激式脉动流化床的声压振动特性，研究结果表明：脉动流化床内建立起的声波特性和Rijke型脉动燃烧器内的一样，各点压力呈正弦规律上下振动，且压力是基波幅值最大的多次谐波的叠加。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。