查询词典 ballast

The company's main product has electrodeless lamp, electrodeless lamp ballast, HID ballast, digital emergency lights, LED lights.

公司的主打产品有无极灯，无极灯镇流器，HID安定器，数码应急灯，LED灯。

Decision-making of ballast water adjustment of floating dock is studied as a two-step optimization problem. Two mathematical models are constructed for minimizing the ballast water adjustment quantity of every tank needed and the trim of the floating dock respectively.

将调节浮船坞浮态的调水计划决策问题归结为调节量优化和调水时间优化两步优化问题，分别提出了有约束问题的优化模型并详细介绍了应用惩罚函数法对优化问题进行求解的方法。

The circuit on which the ballast is tested is to be protected by Class H non-renewable fuses at ten times the input current rating of the ballast or the next higher ampere fuse rating but in no case less than 20 amperes.

被测试的镇流器的电路由H级的不可再生的保险丝(是镇流器的额定电压的十倍)保护着的或者是更高安培的熔丝额定值，但是决不能少于20安培。

The circuit on which the ballast is tested is to be protected by Class H non-renewable fuses at ten times the input current rating of the ballast or the next higher ampere fuse rating but in no case less than20 amperes.

被测试的镇流器的电路由H级的不可再生的保险丝(镇流器的额定电压的十倍)护着的或者是更高安培的熔丝额定值，但是决不能少于20安培。

The structure features of control cubicles of KZ_(70) ballast hopper car s are described,and they are compared with those of the old control cubicles of ballast hopper car s.

介绍了KZ70型石碴漏斗车操纵室的结构特点，并且与以往的石碴漏斗车操纵室进行了比较。

The Domistic Ballast and the Life of Compact Fluorescent Lamps;2. With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

Ballast inductor due to the need to participate in work, this product is only suitable for metal halide lamp inductance ballast-driven, energy-saving lighting sodium lamp.

由于需要镇流器电感参与工作，本产品只适合电感镇流器驱动的金卤灯、钠灯照明节能。

The ratio of the vertical load distributed between the arch rib and the tie beam of the two schemes is the same. For the integral girder deck scheme, the longitudinal beams and the deck slab of endure more axial force compared to the ballast girder deck scheme, especially to the deck slab with a conspicuous increase of the axial force and higher stress, and the tie beam endure less. The force-bearing characteristics of the cross beams under the integral girder deck scheme is obviously better than that of the ballast girder deck scheme, especially at the two ends of each cross beam.

在受力上，与道碴板桥面方案相比，整体桥面方案竖向荷载在拱肋和系梁之间的分配基本相同，混凝土板和纵梁分担的纵向力则相对更大，尤其是混凝土板，增幅较明显，应力水平整体较高，系梁分担的纵向力则得到减小，横梁的受力状况整体桥面方案明显优于道碴板桥面方案，特别是在梁端处。

The FD of tungsten filament lamps is 6 %～31 % and decreases withincreasing power. F or fluorescent lamps driven by magnetic ballast , the FD is 42 %～48 %; and 10 % by highquality electronic ballast .

用照度传感器对各种常用光源的波动深度进行测量，发现钨丝灯的波动深度为6%～31%，随功率的增大而下降。

Ballasts and Capacitors 21 镇流器和电容器 21.1 A ballast and starter or ignitor, when provided, shall be rated for the operation of the type and size of lamps involved and shall be electrically connected in accordance with the diagram or instructions on or with the ballast.

21.1镇流器和启动器或启辉器，应该相关类型和大小的灯泡相配，并且连线方式和镇流器上面的表或着说明书一致。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。