查询词典 RF

Perhaps the short-day treatment of SD is necessary to the fertility.(2): Compared the 88-428 SD(14.8-15.2h/d) with the 88-428 LD(14.9-15.3h/d), a new isozyme band of Rf=0.19 was found for the first time in the leaves of the 88-428 SD from the branching.

大豆光敏雄性不育材料88-428在出苗后经过连续20天的短光照处理后，与长光照条件下的88-428相比，从分枝期起多了Rf=0.19的酶带，特别值得指出的是Rf=0.19的酶带在以后的发育时期内一直存在，说明经过短光照的诱导以后产生了新的物质，而且这种物质可以在细胞间运输，影响到植株的生殖生长。

Subsequently, owing to the self-adaptability of the amplifier gain, the amplifier adjusts the self-gain according to the input RF signal amplitude, leads the output voltage to be stable, and ensures the normal operation of the sub-step circuit.

而后由于放大器增益的自适应性，放大器根据输入的RF信号幅度调节自身增益使得输出电压稳定，保证了后级电路的正常工作。

These connectors are a kind of low to medium power connectors, with screw coupling mechanism, are widely used connect of the RF coaxial-cable in electronic equipment and instruments, and can be interchangeable with the same-type connectors of abroad.

该系列产品广泛应用于中小功率的无线电设备和仪器中。能与国外同类产品互配。

Chromium ore samples were fused by alkali and then leached out by hydrochloric acid. After the analytical lines of the elements were selected, the conditions of sample uptake, carrier gas flow, cooling gas flow and RF power were optimized with the system of SeaSpray nebulizer and cyclone spray chamber, based on the principle of best signal stability. The determination of chromium, aluminum, iron, magnesium and silicon in chromium ores was fulfilled.

铬矿石样品经碱熔融和盐酸浸取后，选用SeaSpray雾化器和旋流雾室，选定了待测元素的分析线，以信号的稳定性为原则，优化了样品提升量、载气流量、冷却气流量和入射功率，实现了电感耦合等离子体原子发射光谱法对铬矿石中铬、铝、铁、镁和硅等主量成分的测定。

Remember that it is the sum of the risk-free interest rate rf and a premium for risk.

记住它是无风险利率 rf 与风险溢价的合计。

N2 gas molecules RF Glow Discharge in GaN, new materials such as synthetic surface and the metal nitride technology and other fields has been widely used.

N2气体分子射频辉光放电在GaN，等新型材料合成以及金属表面氮化技术等领域已得到了广泛的应用。

Polymer-based thin film transistors with poly(3-hexylthiophene)(P3HT) as semiconducting active layers were successfully fabricated on silicon substrates in air which was used as gate electrode, HfTiO film deposited by RF sputtering method was used as gate insulators, and gold metal was used as source and drain electrodes. The HfTiO surface was modified by using octadecyltrichlorosilane solution during fabrication process.

以高掺杂Si单晶片作为衬底且充当栅电极，采用磁控溅射法在硅片上沉积HfTiO薄膜作为栅介质层，聚三己基噻吩(P3HT)薄膜作为半导体活性层，金属Au作为源、漏电极，并采用十八烷基三氯硅烷对栅介质层表面修饰，在空气环境下成功地制备出聚合物薄膜晶体管。

And the GPS IF signal generator platform has been designed by using Nemerix\'s GPS RF chip NJ1006A.

并利用Nemerix公司的GPS射频芯片NJ1006A设计制作了GPS中频信号产生平台。

Ascend mainly supplies RF cable for TV/Radio transmitting system: SDY air dielectric cable, Mobile communication: Physical foaming coaxial cable and braided cable, and cable accessories like connector and jumper cable.

产品主要是用于广播电视领域传输和发射的SDY空气绝缘皱纹电缆系列，移动通信领域的RF物理发泡绝缘皱纹铜管外导体，编织外导体电缆。和各种电缆组件，例如跳线，接头。

Scanning, for my station, is at least as important as reliable and high-quality RF transmissions.

扫描，对我的电台位置来说，是很重要的，相对于我的可靠与高品质的射频发射。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。