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My document requires that pages be numbered 1,2,3 for the body of the document, and A-1, B-1, C-1, etc. for appendices A, B, and C. I can get the pages numbers to work correctly, but I can't get the Table of Contents to pick up the prefixes (e.g. A-), so the TOC suggests that everything in this 34 page document starts on p. 1.

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Mar 18, 2019Scientists at the ATB have developed a new sensor system as an alternative to the currently common but complex measurement methods, such as the use of headspace gas analyzers: With a diameter of 88 millimeters and a weight of almost 200 grams, the modular respiration measuring sphere is about the size of an apple.

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Oct 12, 2020China Carbon Monoxide Detector supplier, Home Gas Detector, Household Gas Detector Manufacturers/ Suppliers - Shenzhen Zhonglian High-Tech Security Technology Co., Ltd.

Personal alarms and security systems (telecare) are devices that call for help if you, or someone you know, falls or has a problem at home. They range from basic alarms to intercom systems that allow family members to see who's knocking at your door.

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The TIF TIFXP-1A is an advanced Refrigerant Leak Detector capable of detecting leaks of Sulfur Hexafluoride (SF6) used as a dielectric and insulator in: High voltage breakers, Gas insulated substations (GIS), Cables and tubular transmission lines, Electrostatic generators and transformers.

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The IR400 Infrared (IR) Point Detector is a hydrocarbon gas detector that continuously monitors combustible gases and vapors within the lower explosive limit (LEL) and provides alarm indication. It features an industry-leading response time of ≤ 3 seconds, even with a splash guard installed.

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Slab leak detection is used to check ground lines with ultrasonic technology in conjunction with infrared detecting equipment. Tracer gas is injected into piping areas identified as a potential risk and then analyzed by a computer.

Winsen Electronics, as a professional gas sensing solution provider with over 30 years gas sensor manufacture experience, offers Ozone O3 gas sensor. Sensitive material of MQ131 gas sensor is semiconductor metallic oxide, which with high conductivity in clean air. When the ozone gas exists, the sensor's conductivity gets lower along with the gas concentration rising.