中计

Compared with alcoholmeter method, its measurement results were more accurate. The alcohol content measurement results by chemical oxidation and by international density flask method were the same.

在这两个方法中，密度瓶法作为经典的分析方法，结果准确，但是，20℃的恒温条件不易控制，这就势必造成一定的分析误差；而酒精计法虽然具有操作简便快速，但由于酒精计精度较差和人为因素，导致误差较大。

Such people, if they vote, are more likely to vote Democratic, so Democrats tend to favour an overcount and Republicans an undercount. The 1990 census apparently overlooked about 5m people, mostly from minorities, while double-counting several million whites.

这些人在投票中多半会支持民主党，故民主党人更愿意多计，共和党人则更想少计。1990年的人口普查明显少统计了500万人，大多数是少数民族，同时有几百万白人被统计了两次。

For the sake of insuring the precision of accelerometer in SINS, the static output characteristic of the CHJN-2A quartzose flexible accelerometer has been studied.

为了确保捷联惯导系统中加速度计的性能，研究了CHJN-2A石英挠性加速度计的静态输出特性。

In this paper,the influence of both the convective heat transfer of foil and the heat conduction in thermocouple wire on the performance of the radiational thin-foil heat flow meter has been considered and a precise mathematic model for this condition is presented and analysed in detail.

本文全面考虑了圆箔式辐射热流计中对流放热及热电偶丝导热对热流计特性的影响。建立了完整的数学模型，对灵敏度进行了详细的分析。

At first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu-lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band-pass filter, alternating amplifier, phase sensitive demodulatorn, pulse-width modulation, frequency scale circuit, moment current generator. Finally, using the graphics program language LabV-IEW which is designed for testing field especially by NI accomplishes the solfware design of testing system,realized the testing functions.

首先对加速度计及其测试技术的发展历史和现状，液浮摆式加速度计的工作原理和数学模型等作了简要的介绍，然后确定了以二元调宽脉冲再平衡测试回路为设计方案，并从控制理论的角度进行了分析，着重研究了系统中各部分的传递函数，利用系统开环传递函数分析了系统的稳定性，同时设计了系统的校正网络；分析了二元调宽脉冲再平衡测试回路的分辨率、采样约束以及测试精度等基本问题，并按照系统分析的结果设计了包括前置放大、带通滤波、交流放大、相敏解调、脉宽调制、频标电路以及力矩电流发生器等测试系统各部分硬件电路，验证了电路的正确性，最后按照测试系统的要求，采用了美国NI公司专为测试领域所开发的虚拟仪器工具——LabVIEW作为测试软件开发工具，利用该图形化编程语言完成了测试系统软件部分的设计，实现了测试功能。

We design hardware logic for salinometer with Quartus II software, and use SOPC Builder to design Nios II, CPU、arithmetical unit、MEMORY、TIMER and other mature IP core are apply to salinometer. We use the hardware description language VHDL to design bottom drives, and make them as customer IP core, such as excitation source IP core、high sensitive digital galvanometer IP core、analog temperature measurement IP core、digital temperature measurement IP core、calendar and time IP core、keyboard IP core、LCD IP core.

使用SOPC Builder软件生成Nios II软核，将CPU、运算器、存储器、定时器等成熟的IP核应用到盐度计设计中，同时使用硬件描述语言VHDL将底层驱动逻辑设计为用户IP核，如激励源IP核、高灵敏度数字检流计IP核、模拟测温IP核、日历时钟IP核、数字测温IP核、键盘IP核、液晶显示IP核等。

In radiation dosimetry there are numerous limitations associated with the measurement of isodose curves and depth-dose distributions in high gradient regions of beams by using conventional measuring systems, such as ionization chambers, diode dosimeter, thermoluminescent detectors, and radiographic films.

在辐射剂量学中，利用传统的剂量计例如游离腔、二极体侦检器、热发光剂量计、感光胶片…等，来量测等剂量曲线或是深度剂量分布都有其适用的范围及其限制。

Ear-tipping refers to nicking a cat's ear during surgery to identify it as desexed. It is done within capture, neuter, release programs. They reduce the stray population by returning the altered cats to their original territory. If the cats were simply removed their territory would be filled up by other cats reproducing more to take advantage of the available space and food.

ear-tipping 」是指在CNR计画的手术中，在猫的耳朵上留下裂口，做为已完成结扎的识别；这个计画将结扎过的流浪动物放回它们的原生区域以降低它们的数量；若将流浪猫自它们的区域移走，其他流浪猫会繁殖更多小猫来侵占可得的空间和食物。

Line with national policy, the Challenge 2008 plan to double tourist holding of the international competition, and then Bo 2008 Taiwan also plans to start next year, apply for the international competition, which for a while Taiwan into the international competition organized by the hottest piece of a base network.

配合国家政策，挑战2008观光倍增计画举办的国际竞图，与接下来2008台博也计画於明年中开始办理国际竞图，这一阵子台湾成为举办国际竞图最热络的一块基地。

That crop will provide seed for a major venture planned 50 miles north in the coastal city of Bahia de Kino.

这个作物将提供种子给北方50哩的沿岸城市德奇诺湾计画中的主要冒险计画。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。