查询词典 filter flask

The aim of this research is to study the technology of photoelectric component, the high reliability process of 8 inch infrared ray absorption type of filter, and its market analysis. Filter is the key component of various optical systems. In general, color filter is fabricated by coating method. This study presents the novel method for filter fabrication by high temperature sintering of Si, B, Al2O3, and other materials. Compared with conventional filter, the absorption type of filter have more stable spectrum because of its properties of invisible light absorption.

中文摘要本研究是针对光电介面元件技术，高可靠度八吋红外线吸收式滤光片制程研究及其市场价值分析，光学滤光片为许多光学系统以及影像撷取系统不可缺少之重要元件，一般常见光学滤光片都是以镀膜方式，本实验针对矽、硼、三氧化二铝等材料以高温烧结方式制造光学滤光晶片，以材料特性吸收不可见光之光波，来得到所需光学滤光片之光谱特性，此吸收式光学滤光晶片之光谱稳定性高。

METHODS: Rat bilateral olfactory bulbs and olfactory mucosa at 1/3 nasal septum were obtained, sliced, digested in trypsin, and made into monoplast suspension. At 1×109/L, cells were incubated in uncoated 25 cm2 culture flask. At 18-20 hours, cell suspension was moved into another uncoated 25 cm2 culture flask (the first differential adhesion). At 24 hours, cell suspension was moved into a poly-D-lysine-coated 25 cm2 culture flask or poly-D-lysine-coated 6-well culture plate (the second differential adhesion). At 48 hours, parenchyma cells were removed after a half of medium was changed.

完整取大鼠双侧嗅球及剪取鼻中隔后1/3嗅黏膜，剪碎后胰酶消化，制成单细胞悬液，按1×109 L-1密度接种于未包被的25 cm2玻璃培养瓶中，18~20 h后将细胞悬液转移至另一未包被的25 cm 2玻璃培养瓶中（第1次差速贴壁），24 h后再将细胞悬液转移至经多聚右旋赖氨酸包被的25 cm2塑料培养瓶或经多聚右旋赖氨酸包被的6孔培养板中（第2次差速贴壁），接种培养48 h后半量换液以去除杂细胞。

This article introduces the selection of relative reactor value of filter X% and its relation to external performance of filter. The selection among parallel capacitor, dissonances filter and assonance filter based on the environment are discussed deeply. The relation between filter parameter and engineering design are once more discussed. Finally, how to coordinate the functions of harmonics and reactive power compensation is argued.

本文介绍了滤波器的相对电抗值X%的选择，以及X%和滤波器外部性能的关系，并深入讨论了如何根据不同场合分别选用并联电容器、失谐滤波器或调谐滤波器的问题，也再次讨论了滤波器参数和工程设计的关系，最后讨论了如何协调谐波和无功的补偿功能。

In this paper,a design method of two dimensional Linear Phase Nearly Perfect Reconstruction filter banks based on a new class of cosine modulation systems is presented,which can be described as follow: firstly,the Parks-McClellan algorithm is adopted for designing the prototype filter,then by employing cosine modulation,a series of analysis and synthesis filters can be obtained,accordingly a one-dimensional LP-NPR filter banks can be constructed;Secondly,cascading two one-dimensional LP-NPR filter banks in the form of tree structure and using the unimodular transformation,a two dimensional nonseparable LP-NPR filter banks can be obtained.

提出了一种基于一类新余弦调制系统的二维线性相位-近似完全重构滤波器组的设计方法，设计过程分为两个步骤：首先采用Parks-McClellan算法来计原型滤波器，再经过余弦调制能到一系列的线性相位分析和综合滤波器，从而可以构造一维LP-NPR滤波器组；然后利用树状结构来结合两个一维LP-NPR滤波器组，并运用单位模变换，可以得到二维不可分离LP-NPR滤波器组。

this paper proposes a design method which can improve the performance of fractional order differential filter obviously under the premise of not increasing the structure complexity of the filter.this scheme which bases on mutually compensatory characters of typical differentiator and uses interpolated method to improve performance of iir digital fractional differential filter.the improved frequency response of fractional differential filter is more close to ideal fractional differential filter,it indicates the validity of proposed method.

摘 要：提出一种在不增加分数阶微分滤波器复杂度的前提下，能有效提高分数阶微分滤波器性能的方法。该方法利用几种基于典型微分算子的分数阶微分滤波器之间的互补性，通过相互内插结合的方式，用于提高iir分数阶数字滤波器的性能。改进后的分数阶微分滤波器频率响应更接近理想分数阶微分滤波器，表明所提方法的有效性。

in this paper,a new variable interpolated filter in dvb-s(digital vidoe broadcast by satellite) is introduced based on the common filter of cascaded integrator comb.firstly a cic filter module with interpolation factor 2 is designed,then we could reuse the basic module according to the interpolation factor.based on the theory of cic filter,the filter with fpga is simulated and synthesized,the results is given,and realizes it in the system of dvb-s.

摘 要：在数字上变频中常用的cic滤波器的基础上，提出了一种适用于dvb-s系统的可变插值率cic滤波器的实现结构，首先实现一个内插因子为2的cic滤波器单元，然后根据不同的内插因子要求，来重复地调用这些内插因子为2的基本滤波器模块，这种cic滤波器的实现结构符合结构化的设计思想。

An optimal filter is designed specially for dq transform used in the voltage mea-surement of transfer switch,which is composed of lower-order notch filter and lower-order low pass filter with higher cut-off frequency in series.Its transfer function is presented by theoretical derivation.If the order is same,it is better in measuring the positive sequence of fundamental amplitude than the average filter and the low-pass filter.

针对转换开关电压检测法——dq变换设计了优化滤波器，该滤波器是利用低阶陷波滤波器和较高截止频率低阶低通滤波器串联形成的，通过理论推导给出了该滤波器的传递函数，在相同的滤波阶数下，该优化数字滤波器在提取基波正序幅值的性能比较中，优于平均值滤波法及低通数字滤波器法等。

Customized special filter, a filter construction machinery units filter filter hydraulic filter products primarily applicable; Benz / BMW / Rolls Royce / Daewoo / modern | Road by Mainz | Scania | Perkins | Renault | Hino | Mitsubishi | Isuzu | Dorman | Caterpillar | Toyota | Cummins | Volvo | Detroit | Komatsu | Hitachi | Sumitomo | Kobelco | Li Bo Haier | Nissan | Germany Cayman | Ssangyong | Steyr | Auman | Hongyan | ABG paver | BMW roller | excavator | Loader | bulldozers | plains | Dump Truck | milling machine | tunnel blunt hook | Concrete Pump two compressors and vacuum pumps from oil and gas purification filter精密过滤器apply mainly to; Ingersoll-Rand | Atlas | Fusheng | TING of | Amat High | Iwata | Mitsui | Sunningdale | Kobelco | Matai | Ke Long | Jia Bao | Catherine | Po Ju | Giant Pa | Swan | Kang Puyi | Fidelity | Siemens | champion.

定做特殊过滤器、滤芯一工程机械发电机组滤清器滤芯液压过滤器系列产品主要适用；奔驰/宝马/劳斯莱斯/大宇/现代|道依茨|斯堪尼亚|帕金斯|雷诺|日野|三菱|五十铃|多盟|卡特彼勒|丰田|康明斯|沃尔沃|底特律|小松|日立|住友|神钢|立勃海尔|尼桑|德国曼|双龙|斯太尔|欧曼|红岩|ABG摊铺机|宝马压路机|挖掘机|装载机|推土机|平地机|自卸载重车|铣刨机|隧道钝勾机|混凝土泵车主要适用于；英格索兰|阿特拉斯|复盛|寿力|艾高|岩田|三井|向阳|神钢|玛泰|柯龙|保嘉|凯萨|宝驹|巨霸|天鹅|康普艾|富达|西门子|冠军

Two optimal filter are recommed to filter of IMC system,One,is ITAE filter that comform to the minimum integral of time-multiplied absolute error,i,e,J=∫｜e｜tdt→min,Other is Butterworth filter that have a good character of idea low-pass filter.

推荐两种滤波器作为IMC系统的滤波器。一种是ITAE滤波器，它符合时间乘绝对误差积分值最小的优化原则，即J =∫|e|tdt→min ；另一种是Butterworth滤波器，它具有很好的理想低通滤波器特性。

Foreign Trade Department of the company strong technical force, unique paper-making technology and advanced paper making equipment, specializing in the production of specialty paper products, the main varieties are: qualitative filter paper, quantitative filter paper, chromatography paper, automotive filter paper, filter oilpaper, steel paper, wear-resistant flooring paper, chemical fiber filter paper, pH paper, rubbed mirror paper, silk paper, seed germination paper and electrolytic capacitor paper, paper dust bag; variety is complete in specifications, special specifications can be custom-made, products widely used in scientific research, industry, agriculture, medicine and public health and environmental protection departments.

公司以雄厚的技术力量、独特的造纸工艺和先进的造纸设备专业生产特种滤纸系列产品，主要品种有：定性滤纸、定量滤纸、层析滤纸、汽车滤纸、滤油纸、钢纸、地板耐磨纸、化纤滤纸、pH试纸、擦镜纸、绢花纸、种子发芽纸、电解电容纸、吸尘袋纸等；品种规格齐全，特殊规格可订做，产品广泛应用于科学研究、工业、农业、医药卫生和环保等部门。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。