What does PPM mean? PPM stands for planned preventative maintenance. It is proactive compared to typical reactive maintenance as it is planned in advance. Often being carried out on an asset in a scheduled manner/pre-set frequency on a building or piece of equipment for instance. Opposed to...
This unit of measure is named for the French physicist Marie Curie, who was a pioneer in the research of radioactive elements and their decay. One pCi is equal to the decay of about two radioactive atoms per minute.Because the level of radioac- tivity is directly related to the number ...
Answer to: What does 1 ppm mean? a. one part in one million parts b. one millipart c. one million parts in one million parts d. the entire object...
What does ppm or ppb mean? 来自 farmlandbirds.net 喜欢 0 阅读量: 42 作者: BZ Satterfield 摘要: odor number, pH index, corro- sive index number, and, for radionuclides, the units pCi/L [picocuries per liter] and mil- lirems per year are used.Pronounced py-coe-cure-ee, pCi/L is ...
While a higher pages per minute rating does indicate a faster printing speed, this measurement can be misleading. This is because manufacturers measure the maximum PPM in the fastest printing mode, a.k.a. "economy mode," which is also the lowest quality. When printing in regular mode, the ...
What Does "PPM" Mean for Printers?. When you go shopping for a new printer, you keep in mind the things that matter most in a printer: the price, the resolution of the page and the number of pages per minute (PPM) the printer can print. PPM is the measur
anything above 3500ppm. In fact, in all of the General Hydroponics feeding schedules, the highest ppm is calls for is 1500ppm max. This doesn’t mean you need a meter that only reads up to 1500ppm, but it does mean the ability of a meter to read over 5000ppm probably isn’t needed...
a1.对车间卫生员进行消毒液配制的流程培训,将消毒池的浓度控制在200PPM范围内 1. pair of workshop health workers carry on the disinfection fluid configuration flow training, will disinfect the pond density control in the 200PPM scope[translate] ...
BODvalue less than 5 ppm indicates a water sample to be View Solution Biochemical oxyge Demand (BOD) in a river water:- View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class...
What does it mean if its dilute? What is defeasance? What is substantia nigra? What is infundibulum? What is the tonicity of vinegar, corn syrup, and distilled water? What are the three types of archaebacteria? What is disproportionation reaction? What is gas liquid chromatography? And how ...