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241. Three sets of arcing tests were carried out by way of regulating three influencing parameters on the arc current of ion source for DNB(diagnostic neutral beam)system, ie.

242. This paper presents a method for the design of CFB boiler's circulating system on the basis of circulating-ratio's expression, which indicates influencing factors and extent.

243. By combining simulation test(Sentence dictionary), the causes influencing on Q value are found. The equivalent loss resistance R of series resonant circuit is studied and a new opinion is presented.

244. One major concern of passenger flow assignment is the path choice problem. This paper discusses the factors influencing the path choice behaviors.

245. The influencing factors of the uncertainty of measurement result for uranium in uranium ore by volumetric analysis method were discussed.

246. The reasons of causing the surface roughness of skived gear quenched and the relevant factors influencing on it are analysed in theory and practice, and the experimental formula isestabblished.

247. The bunching angle measuring transducer structure is introduced in this paper, and the factors influencing measuring precision are analyzed.

248. The factors influencing the rigidity of green sand mold during pouring were analyzed.

249. Sri Lanka had considerable scope for influencing world prices for tea in the early 1960 s.

250. To investigate the incidence of sister chromatid exchange ( SCE ) and its influencing factors.

251. The effect of influencing the plastic instability is reduction of area, concave die half angle, lubricates and frictional factor etc. And it submits the reasonable range by the calculation graph.

252. An isolating circuit used to prevent a driven circuit from influencing the driving circuit.