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gain
相关语句
  相似匹配句对
     LOSS AND GAIN
     得与失
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     The Gain and Loss of Nanchizi
     南池子的得与失
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     (3) How to gain talents.
     (3)儒家的得人观。
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     The maximum value of gain was 3 m~(-1).
     获得3米~(-1)的信号增益;
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  gain
The proposed algorithm also reduces by 75 % the computational cost of the large-small mode isolation algorithm for low-motion sequence coding, and with 0.06 PSNR gain and 3.7 % reduction in bit rate.
      
The high-gain observer was used to estimate the state of the system.
      
The results of measurement show that this lidar has the ability to gain profiles of ratio of water vapor mixing ratio from surface to a height of about 8 km at night.
      
The return loss, pattern and gain of the prototype antenna have been measured.
      
Experiments on both synthesis and real datasets show that the new algorithm not only achieves a significant gain of runtime and quality to find subspace clusters, but also is insensitive to input parameters.
      
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This communication reports the results of a study of the gravimetric deter- mination of lead as normal phosphate, known as Vortmann and Bader method, which has been recently examined by Hubicki and Rys. According to our findings, tartaric acid should be added only when antimony is present. With the addition of tarearic acid unusual large excess of precipitant as suggested by Vortinann and Bader is required for complete precipitation. The suitable pH range for the precipitation of tertiary lead phosphate is 6.5...

This communication reports the results of a study of the gravimetric deter- mination of lead as normal phosphate, known as Vortmann and Bader method, which has been recently examined by Hubicki and Rys. According to our findings, tartaric acid should be added only when antimony is present. With the addition of tarearic acid unusual large excess of precipitant as suggested by Vortinann and Bader is required for complete precipitation. The suitable pH range for the precipitation of tertiary lead phosphate is 6.5 to 10. Below pH 6.5, the precipitation will be incomplete, owing apparently to the formation of acid phosphate(s). Beyond pH 10, no experiment has been made, because no advantage is gained by working in such alkaline media. The concentration of the precipitant in sdlution after reaction should be within 0.00085-0.0033 molar in order to obtain good results. The precipitates may be ignited at any temperature from 650℃ up to at least 900℃. The practice of drying the pre- cipitates at 130℃ to constant weight suggested by Hubicki and Rys should be discarded, since the precipitates still contain noticeable amounts of water after drying to constant weight at that temperature. It is preferred to use the method of precipitation from homogeneous solution. With this technique in practice dense, crystalline and easily filterable precipitates are obtained; and small quantity of lead, as low as 5 mg, may be determined satisfactorily. The effect of presence of some alkali and ammonium salts has also-been studied.

本文報告用磷酸根測定鉛重量法的各種適宜條件。溶液的pH值應在6.5至10之間。過剩沉澱劑在溶液中的濃度應為0.00085——0.0033M。沉澱應在650℃-900℃間灼燒之;如在130℃乾燥,則沉澱內的水份不能完全驅盡。均勻沉澱可改善沉澱的性質,並可测定少至5毫克的鉛。如溶液中無銻,則不必加酒石酸。

This preliminary study of the influence of spikelet pruning on the quality and yield of wheat grains was carried out at Fukien Agricultural College in October 1952 through May 1953. The results are summarized as follows: 1. The number of grains increases in each spikelet as a result of pruning. 2. Size, weight, and protein content of the grain increase both with the difference in variety and the dates of planting. 3. Treated wheat plants ripen earlier. 4. The total yield decreases slightly. This is probably...

This preliminary study of the influence of spikelet pruning on the quality and yield of wheat grains was carried out at Fukien Agricultural College in October 1952 through May 1953. The results are summarized as follows: 1. The number of grains increases in each spikelet as a result of pruning. 2. Size, weight, and protein content of the grain increase both with the difference in variety and the dates of planting. 3. Treated wheat plants ripen earlier. 4. The total yield decreases slightly. This is probably due to the fact that the gain in weight of grains does not overcome the loss of weight by the removal of some of the spikelets,

作者等于一九五二年十月至一九五三年五月在本校农场进行小麦花序修整的研究,结果归纳如下: 1.剩佘小穗的结实性,种子肥大性,及蛋白质含量均有提高,但提高的程度因品种和播种期而有所不同。 2.成熟期提早。 3.不同品种不同播种期,对于修整花序有不同的反应,以迟熟种的反应更为显著。 4.产量稍为减低,可能是因为千粒重的增加弥补不了粒数的减少。

The principles of obtaining optimum design for R-C coupled pentode ampli- fiers are obatined. It was shown that for small input signals, operation is limit- ed in so small a portion of the characteristic that much smaller than usual grid bias may be used to obtain higher trangconductance, and consequently higher gain; whereas for large input signals,non-linearity of the characteristics limits the maximum output obtainable. Therefore, design should be different for small and for large input signals....

The principles of obtaining optimum design for R-C coupled pentode ampli- fiers are obatined. It was shown that for small input signals, operation is limit- ed in so small a portion of the characteristic that much smaller than usual grid bias may be used to obtain higher trangconductance, and consequently higher gain; whereas for large input signals,non-linearity of the characteristics limits the maximum output obtainable. Therefore, design should be different for small and for large input signals. After the load resistance was obtained from other considerations, it was shown how the required optimum voltages on the screen grid and for grid bias can be obtained from the standard characteristic curves of pentodes given in radio tube handbooks. Concrete examples are used in elucidat- ing these principles.

根据几个合理的假定,我们可以用分析方法求得电子注功导管(或五极管)的调幅特性。证明要得到没有畸变的调幅,必须使阳极电压、屏栅极电压、栅偏压和栅极激励用上压同时加以调制。所要求的调制方式都是很近于同比例的。实验上,这样的四重调制可以用很简单的线路和不需要任何特殊设备得到。本文也讨论了用这种调制方式的其他优点。

 
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