专业英语试题及答案

广东纺织职业技术学院2010～2011学年第一学期

《专业英语》期中试卷

考试时间：120分钟考试形式：开卷适用专业：班级：学号：姓名：成绩：

各题20分

一、单词翻译（英译汉）

titrimetric analysis

reagent titrant

flask oxidation

precision standard solution

sodium hydroxide Equilibrium

constant

equilibrium. manifest

equilibrium

concentration

frictional flow

ionization

constant

correct for

molarity compressed gas

neutralization device

plus elevation

neutral positive-displacement

meter reciprocating sodium hydroxide piston

external centrifugal pump

in the absence of rotational

at the expense of rotational velocity

compensation stream

specific upstream station

streamline downstream station

二、单词翻译（汉译英）

垂直于传热面滤饼卸料

符合，一致陶器的

动量，动力，要素滤液

动量传递孔

随机运动，无规则

运动

胶体微粒

扩散的构造，配置

.邻近的，接近的. 波动，起伏

振动的，振荡的大气压(1atm＝

101. 3 kPa)

(远离表面的)流

体(本体)温度

(风车、螺旋桨等

的)翼，叶片

目录，目录册切线的

线性相关蜗壳形式

恒定导热系数螺旋形，集液环固有特性，本征特

性

传动轴

流动类型双吸

强制对流不连续的，间断

的，中断的

过滤，筛选间歇的，断断续续

的

固体微粒复杂的

过滤介质依靠，由于

透过膜限于

堆积粗粒子

三、句子翻译（英译汉）

1. Acid-base indicators (also known as pH indicators) are substances which change color with pH.

2. Any solution for which the concentration is precisely known is called a standard solution.

3. It is an introductory text, written for undergraduate students in their junior or senior years who have completed the usual courses in mathematics, physics, chemistry, and an introduction to chemical engineering. An elementary knowledge of material and heat balances and of thermodynamic principles is assumed.

4. In a piston pump, liquid is drawn through an inlet check valve into the cylinder by the withdrawal of a piston and then is forced out through a discharge check valve on the return stroke.

5. Filtration is the removal of solid particles from a fluid by passing the fluid

through a filtering medium, or septum, on which the solids are deposited.

四、句子翻译（汉译英）

1. 在滴定中，与被测物质发生完全反应的试剂通常称为滴定剂，滴定分析就是定量测定出所消耗滴定剂的体积

2. 该平衡式说明一摩尔氢氧化钠与一摩尔盐酸反应生成一摩尔氯化钠和一摩尔水。

3. 化学工程师必须开发、设计和工程化整个工艺和所需的设备，选择适当的原材料，高效、安全和经济性地运作工厂，并确保产品满足客户的要求。

4. 更多情况下，进料(悬浮液)需要进行预处理，以便加快过滤速度。预处理方式包括加热、重结晶或是加入过滤助剂如纤维素或硅藻土。

5. 当两个温度不同的物体接触时，热量将从高温物体流向低温物体。热量流动的净结果永远是向低温方向进行。热量传递的机理有三种：热传导、热对流和热辐射。

五、短文翻译

1. An economical method of organizing much of the subject matter of chemical engineering is based on two facts: ①although the number of individual processes is great, each one can be broken down into a series of steps, called operations, each of which in turns appears in process after process; ②the individual operations have common techniques and are based on the same scientific principles.