New China Instrumentation Independent Research and Development History (Environmental Monitoring Instruments and Equipment)

In 1958, Beijing Instrument Factory successfully developed the LX-1 halogen leak detector.
In 1988, the plant cooperated with Tsinghua University to develop a successful LX-3 halogen leak detector. With automatic zero adjustment, sound and light alarm, gain adjustment and range switching.
In August 1976, Beijing Analytical Instrument Factory successfully developed DK-9001 automatic nitrogen oxide analyzer and DK-6301 automatic sulfur dioxide analyzer. It can be used to automatically detect the content of nitrogen oxides and sulfur dioxide in the atmosphere.
In December 1979, the plant successfully developed the GSH-201 chemiluminescence ozone analyzer.
In November 1987, the plant successfully produced the BF-8840 chemiluminescence NO/NO2/NOX analyzer and the BF-8850 fluorescence sulfur dioxide analyzer. The measuring range is 0~10ppm, and the instrument accuracy is ±1%.
In 1978, Beijing Analytical Instrument Factory successfully developed the QJC-201 air pollution monitoring vehicle, which is a mobile laboratory for monitoring air quality. In 1981, the QJC-202 air pollution monitoring vehicle was successfully developed.
In September 1987, the plant successfully developed the BF-7000 air pollution ground monitoring station, which is a fixed laboratory for monitoring the ambient air quality.

Hormone:

A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland. Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control. Many hormones, such as neurotransmitters, are active in more than one physical process.

Endocrine:

Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they travel to affect distant organs. The endocrine sites include the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroids, heart (which makes atrial-natriuretic peptide), the stomach and intestines, islets of Langerhans in the pancreas, the adrenal glands, the kidney (which makes renin, erythropoietin, and calcitriol), fat cells (which make leptin). the testes, the ovarian follicle (estrogens) and the corpus luteum in the ovary). Endocrine is as opposed to exocrine. (The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract.)

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