消振

By contrast with the spectral obtained under different incident geometry and polarized conditions, the experimental results show that the reflected light can be corrected completely with an incident zenith angle of 53 degree (Brewster's angle) and zero polarized angle.

结果表明，当探测角不满足布儒斯特角时，在偏振片的主消光方向能剥离绝大部分的水面反射光；当入射角越接近布儒斯特角，其剥离效果越佳；以布儒斯特角观测时，可以达到完全剥离的效果。

Is only a small number of China metal powder injection molding one of the manufacturers, Main production PM powder metallurgy, powder injection molding, Precision Casting, metal structural parts, metal accessories, gears, Sleeve Bearing, precision components profiled complex, non-standard conditions, including : Sleeve Bearing, oil bearings, bushings, flanged connecting sleeve; Double gears, bevel gear, Pulley, synchronous wheel, sprocket, AK47 toy gun gear, various micro-precision gear drive; PM microporous filters, filter tubes, mufflers and filtration materials, Copper filters, stainless steel trap; mixer blades, coffee machine cutter heads Soymilk Machine grinding pieces Juicer blades, Juice blades, and household electrical appliances, metal accessories; Oscillator phone, cell phone parts and notebook parts; Metal keys, ATM machine keys; Toys accessories, fiber accessories; various copper, iron, and stainless steel products, alloy products; automobiles, motorcycles, machine tools, electrical machinery and office equipment, medical equipment and other types of machinery, electrical appliances, electric / pneumatic products within the precision components; Industries products within the structure of precision metal parts!

其中包括：烧结含油轴承、轴套、粉末冶金铜套、含油杯士、法兰、衬套、偏心含油轴承、球形含油轴承；粉末冶金齿轮、双联齿轮、伞齿轮、锥齿轮、同步皮带轮、链轮、棘轮、扇齿轮、双层齿轮、多层齿轮、直齿轮、斜齿轮、各类精密传动齿轮；粉末冶金烧结微孔过滤器、烧结过滤片、粉末冶金滤芯、滤筒、滤管、消声排气节流阀、青铜烧结过滤器；搅拌机刀片、绞肉机圆盘刀片、十字绞刀、铰刀盘、圆孔板、胡椒研磨件、豆浆机刀片、榨汁机刀片、果汁机刀片、咖啡机刀片、磨豆机刀片、家电五金配件；凸轮、凹轮、偏心轮、摆砣；手机振子、手机零件、笔记本零件；金属按键、ATM机按键；玩具配件、光纤配件；各种铜基、铁基、不锈钢制品、合金制品；汽车、摩托车、机床、电机、办公器械、医疗器械及其他各种机械、电器、电/气动产品内的复杂异形精密零件、非标准件；各行业产品内部用的精密金属结构零配件、五金配件。

The design theory and method is established for hybrid control system of aseismatic structure based on neural network.

建立基于神经元网络的抗震结构混合控制的理论和方法：进行基于神经元网络技术的消能减震器的优化设置研究，分析其有效控制的振型数量。

Attar, which is called "golden liquid" in domestic and overseas market, has sweet aroma of rose, The product has multiple curative effect including psychological curative effect: preventing hypochondria, alleviate nervous, chirk up; body curative effect: helping systemic circulation, shrinking blood capillary, preventing veinlet burst, diminishing inflammation to cholecystitis, conjunctivitis, ophthalmia.

玫瑰油——在国内外市场上素有&液体黄金&之称，具有甜的玫瑰花香气。心灵疗效：具有抗忧郁、神经紧张，提振精神，使人兴奋等。身体疗效：协助体循环，能收缩微血管，所以是小静脉破裂的神奇之宝。对胆囊炎、结膜炎、眼炎有消炎作用，能刺激胆汁分泌，清血、利脾、健胃、补身、止呕吐。

The electromagnetic damper studied in this paper belongs to a special kind of coreless generator, which is used for the energy absorption and dissipation in order to weaken vibration.

本文研究的电磁阻尼器是一种特殊结构的空心杯发电机，它主要用于对能量的吸收和耗散，达到减振消能的目的，是具有很高单位耗能的能量吸收元件。

To ensure an adequate offset, the countervibration of the actuator in the overall operating range (20 – 800 Hz) has to be generated with an accuracy of ± 5 degrees in the phase and ± 0.5 dB in the amplitude.

为了保证充分消声，传动装置所有操作范围（20 – 800 Hz）中产生的抗振相位精确度必须达到± 5度，振幅精确度必须达到± 0.5 dB。

Based on resonant anomaly, physical mechanism of narrow-band filtering and its condition was analyzed, and probability for realization of nonpolarizing narrow-band filtering in two-dimensional subwavelength gratings was discussed.

首先分析了基于共振异常的窄带滤波的物理机制及存在条件，讨论了二维亚波长光栅实现消偏振窄带滤波的可能性。

Subwavelength gratings with different grating parameter have different diffractive properties, and realization of nonpolarizing narrow-band filtering by reasonably designing the parameter of subwavelength grating is a novel method and approach.

亚波长光栅因光栅参量的不同而具有不同的衍射特性，通过对亚波长光栅参量的合理设计来实现消偏振窄带滤波是一种新的方法与途径。

Firstly, the high resolution pictures of dragonfly wings from sample tests were studied thoroughly, and the unique feature of the reticulate vein distribution and the variation of the vein sizes and the grid shapes in different zones were figured out;then several computational models based on a dragonfly wing were established by using ANSYS, and beam 189 and shell 93 elements were used respectively in modeling of the veins and the membrane so as to ensure the compatibility between the veins and the membrane at a deformed state;these models subject to uniform loading cases were analyzed respectively so as to explore the unique performances of the wing structure, furthermore, through eigenvalue spectrum analyses of these models, the special role of the pterostigma in eliminating or suppressing the wing quivering effect was also evaluated.

首先，对实验中获取的高清晰度的蜻蜓翅膀数码图片进行了细致地分析，找出了翅膀网状翅脉结构中翅脉的分布规律与尺寸变化、网格形状的差异及不同形状网格的分布等独特的结构特征；再利用ANSYS建立蜻蜒翅膀网状翅脉结构模型，采用三节点等参数梁元beam189模拟翅脉和八节点等参数曲壳单元shell93模拟翅膜，以满足翅脉和翅膜间的变形协调性要求；通过非线性数值分析，探索了蜻蜓翅膀网状翅脉结构在均布荷载作用下所具有的独特的结构性能；通过模态分析，揭示了翅膀前缘靠近翼尖附近的翅痣在翅膀消震减振中所发挥的作用。

Noise can be reduced by about 2 dB by using oil-resistant rubber isolator to reduce solid-borne sound transmission;the setting-up of semienclosed noise barriers can not only reduce the work region's noise of workshop by 13 dB,but also adapt to the gas's characteristic involved with H2S,CO,and other poisonous components without supplied m...

通过选用耐油性好的橡胶隔振器减少固体传声，可降低噪声约2 dB；设置半封闭式机组隔声屏障可降低生产车间工作区域内的噪声达13 dB，并且适合瓦斯发电气源中含有H2S、CO等有毒有害气体的特点，不需增加强制通风措施；在生产车间四周墙壁和顶棚上敷设吸声体，最大可降低空间噪声8 dB；根据瓦斯发电机排烟噪声频谱特性设计的阻抗复合式消音器的消音量可以达到30 dB以上。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。