DAC

The sc analgesic ED50 of DAC measured with acetic acid twisting test in mice was 0.22+ 0.06mg/kg and that measured with hotplate method by ip was 0.41+ 0.10 mg/ kg.

醋酸扭体法测得DAC抑制小鼠扭体反应50%的剂量为0.22±0.06mg/kg（sc）；

Use of a single bit DAC in the modulator guarantees excellent linearity and dc accuracy.

在调制器中使用单比特DAC可保证出色的线性度和直流精度.

The digital-to-analogue converter of 14 bit ( DAC ) resolution enlarged dynamic limits and improvement noise function.

14比特的数模转换器 ( DAC ) 分辨率扩大了动静规模和改善了噪声机能.

The design and layout of the DAC circuit has a considerable impact on its performance.

DAC相关电路的设计对其最终表现有重要影响.

You can easily adapt this circuit for any QAM constellation or DAC resolution.

可以容易地为任何QAM模块和DAC分辨率改变电路.

DAC Output Simulat Signals Amplitud Auto-compensation in the Railway Infrared Axle Temperature Monitoring System

红外轴温DAC模拟输出信号幅值的自动补偿

A 7-bit 20 MSample/ s Nyquist Current-steering CMOS DAC

Nyquist电流型7位20MHz采样率CMOS数模转换器

Implementation of an Interpolation Filter for Oversampling Σ-Δ DAC or CLASS D Audio Amplifier

一种用于过采样∑-Δdac和d类音频功率放大器的插值滤波器设计

With a power-on reset functions, namely, the DAC registers reset to all zeroes.

带有上电复位功能, 即把DAC寄存器复位至全零.

A simple current-to-voltage conversion seems easy to implement a DAC, amplifier, and resistor.

利用DAC 、 放大器和电阻,简单的电流 - 电压转换似乎很容易实现.

The third column of Table 1 gives the normalized DAC output after an optional current-to-voltage conversion.

表1的第三列在可选电流到电压转换后,提供规格化DAC输出.

The detector system consists of a single-board microcomputer TP-801, a polarization voltage generator based on a digital/ analog converter ( DAC), a potentiostat and a wall-jet electrochemical cell ( WJC).

检测系统包括TP801单板计算机、基于D/A转换的极化电压波形发生器、恒电位系统和壁面射流电化学池（Wall Jet Electrochemical Cell）。

Truong Dai hoc Tay Nguyen : Buon Me Thuot, Dac Lac Province.

西原大学: 在多乐省邦美蜀.

By changing the amplification multiple through DAC signals, the measurement range of the system is improved.

用DAC芯片 程控信号调理电路的放大倍数, 提高了系统的测量范围.

Abstrat: This system is composed by FPGA, MCU controller , keyboard, LCD, DAC and amplifier modules.

本系统由FPGA 、 单片机控制模块 、 键盘 、 LCD液晶显示屏 、 DAC输出电路和末级放大电路构成.

Dac gene is a cell fate play a decisive role spiral-corner-spiral nucleoprotein, it plays a major role in the Drosophila eye and limb development.

Dac基因是一种对细胞命运起决定作用的螺旋转角螺旋性核蛋白，它在果蝇属的眼睛以及肢体发育中起主要作用。

Current-steering 7-bit 20 MHz CMOS DAC Applied in Transmitter of Blue-tooth RF Circuit

用于蓝牙射频芯片发送通道的电流驱动型7位20MHzCMOSDAC

The Discman with 1 bit DAC is capable of reproducing super high-quality sound.

拥有1比特的解码器能够提供超高品质的声音.

The factory is producing all kinds of Taper Roller Bearings, DAC Wheel bearings, and Hub Assembly with ABS sensor from1st to4th generation.

专业生产各类单列圆锥，双列角接触汽车轴承，以及第一、二、三、四代轮毂轴承单元（带ABS传感器）。

This paper describes the design and the test results of a 7-bit high-speed CMOS DAC, which is implemented using a segmented architecture with 5 MSBs in unary way and 2 ( LSBs) in binary way.

介绍了一种高速7位DAC的设计及芯片测试结果，该DAC选取高5位单位电流源，低2位二进制电流源的分段结构。

In DAC, the precision of current source is improved by using segment architecture and optimized array, the resolution achieves 1 LSB and DNL is in the range of+ 0.5LSB;

利用分段译码和误差平均化的方法来提高电流源精度，使得DAC的转换精度完全达到七位，其DNL在±0.5LSB以内；

A method to design the value of coupling capacitor in coupled high-resolution charge-scaling DAC is presented.

介绍了耦合结构 高分辨 电荷按比例缩放DAC级间 耦合电容值的设计方法,讨论了寄生电容对DAC精确度的影响.

The large volume press ( LVP) is an indispensable technique in high pressure research complementing capabilities of the diamond anvil cell ( DAC).

大体积压机（large-volume press，简称为LVP）与金刚石对顶砧（diamond-anvil cell，简称为DAC）是两种相辅相成的、在高压研究中不可或缺的重要技术。

It includes the constant current source ( CCS), power amplifiers, excitation coils, physical phantom, measurement-mode setting circuit, signal measuring block, DAC and digital I/ O card.

该系统包括恒流源、功率放大器、激励线圈、物理模型、测量模式设置模块、信号检测模块、数据采集和数字I/O卡。

Then each major module is discussed specifically, including the ADC module, DAC module, data storage module and ethernet communication module and so on.

然后分模块具体讨论嵌入式控制器的各主要功能，包括ADC模块、DAC模块、数据存储模块和以太网通信模块等。

The NSA found that most operating systems'security mechanisms, including Windows and most UNIX and Linux systems, only implement" discretionary access control"( DAC) mechanisms.

NSA发现大部分操作系统的安全机制，包括Windows和大部分UNIX和Linux系统，只实现了“选择性访问控制（discretionary access control）”（DAC）机制。

In a real deployment, however, you would want to implement defense in depth by also having some DAC permissions in effect.

但是，在理想部署中，您将需要应用一些DAC权限来实现进一步防御。

The value of the output resistance and capacitance depends on the input code to the DAC.

输出电阻和电容值取决于DAC的输入编码.

The DAC is a circuit that converts a digital signal to an analog signal.

DAC电路的作用是将数字信号转换为模拟信号.

Function: Use PWM 6 output PWM signal, by filtering electrical realize DAC conversion.

功能: 使用PWM6输出PWM信号, 通过滤波电实现DAC转换.