查询词典 nitric oxide

The effects of SiO_2 substrate and Si_3N_4 substrate on composition of vanadium oxide thin films deposited using direct current facing targets magnetron sputtering at high substrate temperature were investigated.

高的电阻温度系数和良好的绝热结构是获得高性能微测辐射热计的前提。

The authors have prepared vanadium oxide films by plasma-enhanced chemical vapor depostion and pulsed laser deposition.

鉴于氧化钒是应用于锂充电电池的最有希望的电极材料之一，采用等离子体增强化学气相沉积法和激光溅射沉积法，制备了不同的氧化钒薄膜，并研究了它们的电化学性质。

Vanadium oxide thin films with thickness of 80nm, 440nm and 1μm were deposited on normal glass substrate by reactive DC magnetron sputtering method.

采用直流反应磁控溅射法，在平整光滑的普通玻璃基片表面沉积了厚度分别为80nm、440nm和1μm的氧化钒薄膜。

Tungsten oxide nanowires were oxidized to tungsten trioxide nanowires under the irradiation of a certain laser power.

研究结果表明氧化钨纳米线在一定功率的激光照射下被氧化成了三氧化钨纳米线；随着激光功率的进一步增大，纳米线温度进一步升高，三氧化钨纳米线由开始的单斜相向正交相结构过渡。

The method takes an ethanol suspension of monocrystal tungsten trioxide (WO3) nano-plates as a precursor, and utilizes the habit that the nano-plate with high diameter-thickness ratio tends to be parallel to a substrate and the principle that solvent volatilization causes the oriented self-assembly of the nano-plate to prepare the tungsten oxide (WO3) nano film which is formed by overlapping the tungsten trioxide (WO3) nano-plates and oriented along the [002] crystallographic direction.

本发明涉及一种取向氧化钨纳米薄膜的制备方法，该方法以单晶三氧化钨(WO 3 )纳米片的乙醇悬浮液为前驱物，利用高径厚比的纳米片趋向平趟于基底的习性，以及溶剂挥发诱发纳米片取向自组装的原理，制得由三氧化钨(WO 3 )纳米片叠加而成的沿[002]晶向取向的三氧化钨(WO 3 )纳米薄膜。

In the last new years , as the demands of wireless communication system grows rapidly , the bands of microwave frequency had been saturated with various communication applications . To achieve wider spectrum for high-speed and high-capacity transmission , bands of millimeter-wave frequency are the solution of this problem . The advantage of MMW wireless communication systems is wider bandwidth comparing with microwave communication systems . To utilize the spectrum efficiently , many methods of complexly digital modulation is proposed . The more complex modulation , the higher linearity is required , and more various phase of signals are required to accomplish process of modulation . Therefore high-linearity and quadrature-phase modulator and demodulator are the emphasis of this thesis . For high level of integration , high performance and low cost , this chip is fabricated by the complementary oxide semi-conductor 0.13um process . A compact size of direct down-conversion and direct up conversion circuits will be presented in this thesis .

近年来随著无线通讯产业的蓬勃发展，微波频带已经趋近於饱和，为了追求更宽的频谱来达到更快传输速率及高资料容量的传输，宽频的毫米波频段提供了解决此问题的途径，毫米波无线通讯系统提供了相对於微波通讯系统宽频的优点，且为了更有效的使用频谱，各种不同且复杂的数位调变方式及方法被发表出来，越复杂的调变方式其所需的线性度越高，且需要更多不同的相位讯号来完成调变的过程，因此高线性度及四相位的调变及解调器将是此篇论文的研究重点，为了达到高整合性，高效能，及低成本的电路设计，我门利用互补式金氧半导体制程来完成此电路设计，因此一小面积的直接降频(Direct down-conversion)及直接升频(direct up-conversion)电路将在文中介绍。

The maximal conductivity of the ceramic is 3.2×10－2 S·cm－1 in O2 at 1000 ℃. The conduction in the ceramic is purely oxide-ionic with oxygen ion transference number of 1 over the whole temperature range of 600～1000 ℃. This ceramic is obviously superior to YSZ ceramic in oxygen pump performance.

结果表明，该陶瓷样品在600～1000 ℃下氧离子迁移数为1，氧离子电导率的最大值为3.2×10－2 S·cm－1，是一个优良的氧离子导体；它的氧泵性能明显地优于YSZ。

Titanic dioxide, zinc oxide and silica of nano- and submicron sizes were used as the test materials.

二氧化钛、氧化锌和二氧化矽粉体为本研究选用的奈米粉体，每种粉体皆分成奈米级和次微米级二种。

When surface of TiO2 powder is enveloped by carbon, the reduction is mainly solid-solid reaction between carbon and titanic oxide.

结果表明钛氧化物的还原是逐级进行的，反应过程伴随着相变，当TiO2粉末和C粉末均匀混合时还原碳化反应主要依赖于CO／CO2传质的气固反应，当TiO2颗粒表面被C包膜时主要是碳和钛氧化物之间的固固反应，当TiO2粉末和C粉末混合压球时则两种反应机理均有。

The application of activator FT partly instead of zinc oxide in tread of LT tire was experimentally investigated.

试验研究活性剂FT部分替代氧化锌在轻型载重轮胎胎面胶中的应用效果。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48