ISFET ion transducer[sensor],场效应管（式）离子传感器

isoabsorptive point,等吸收点

isobaric mass-change determination,等压质量变化测定

isobaric weight-change curve,等压重量变化曲线

isobaric weight-change determination,等压重量变化测定

isolated amplifier,隔离放大器

isolated analogue input,隔离的模拟输入

isolated junction,绝缘端

isolated junction type sheathed thermocouple,绝缘型铠装热电偶

isolated system,孤立系统

isolating valve,隔断阀

isolator,隔离器

isopotential point,等电位点

isothermal point,恒温式热量计

isothermal gas chromatography,等温层跟踪仪

isothermal weight-change curve,等温重量变化曲线

isothermal weight-change determination,等温重量变化测定

isotope dilution mass spectrometry,同位素稀释质谱法

isotope mass spectrometer,同位素质谱计

isotope peak,同位素峰

isotope ratio measurement,同位素丰度测定

item,项（目）

iteration chromatography,核对色谱法

ivory point,象牙针尖

jaw,钳口

jerk transducer(sensor),加速度传感器

jet orifice separator,喷嘴分离器

jet recorder,喷射式记录仪

job,作业

Jordan sunshine recorder,暗筒日照计；乔唐日照计

journal,轴颈

journal axis,轴颈中心线

journal centre,轴颈中心

joy stick,操纵杆

junction class (of thermocouple),（热电偶的）端的类型

junction style(of thermocouple),（热电偶的）端的形式

junction type zinc oxide varstor,结型氧化锌电压敏电阻器

Kaiser effect,凯撒效应

karma foil,卡玛箔

Kelvin,开尔文

Kelvin(double)bridge,开尔文（双臂）电桥

Kelvin temperature scale,开氏温标

Kew pattern barometer,寇乌气压表

key in ,键盘输入

keyboard,键盘

keyboard processor,键盘处理器

keystone-type distortion,梯形畸变

kinematic viscosity,运动粘度

kinetic energy coefficient,动能系数

knee point voltage,拐点电压

knife dege contact width,刀子接触宽度

knife edge curvature radius,刀子曲率半径

knife-edge pointer,刀形指针

knives,刀子

knives linear,刀子联线

Knoop hardness number,努普硬度值

Knoop hardness penetrator,努普硬度压头

knowledge acquisition,知识获取

knowledge aided protocol automation,知识辅助协议自动化

knowledge base,知识库

knowledge base management system,知识库管理系统

knowledge engineering,知识工程

knowledge inference,知识推理

knowledge model,知识模型

knowledge representation,知识表达

Knudsen burette,克努森滴定管

Knudsen pipette,克努森移液管

L grader,L分级器

LaB6 cathode,六硼化镧阴极

label,标号

labelling,加标

laboratory reliability test,实验室可靠性试验

laboratory salinometer,实验室盐度计

ladder diagram,梯形图

lag compensation,滞后补偿

lag module,滞后组件

lag network,滞后网络

lag-lead compensation,滞后超前补偿

Lagrangian method,拉格朗日法

Laman spectrophotometer,拉曼分光光度计

laminar low,层流

laminated glass window,层压玻璃观察窗

laminated magnet,积层磁铁

landing impact testing machine,落锤式冲击试验机

Laplace transform,拉普拉斯变换

Laplace-Gauss distribution,拉普拉斯—高斯分布

large scale system,大系统

large scale system cybernetics,大系统控制论

large volume sampler,大容量采水器

laser,激光器

laser alignment instrument,激光导向仪

laser anemometer,激光风速计

laser atomizer,激光原子化器

laser beam ionization,激光电离

laser ceilometer,激光测云仪

laser distance meter,激光测距仪

laser ellipseness measuring instrument,激光椭圆度测量仪

laser fluorescence detector,激光荧光探测仪