Define Parts per million. Parts per million synonyms, Parts per million pronunciation, Parts per million translation, English dictionary definition of Parts per million. abbr. parts per million American Heritage® Dictionary of the English Language, Fi
我的最巨大的痛苦不是生活是困难的,并且遇到了许多挫折,但是您有一非常好。 因为您该当,我不能看您愉快[translate] aparts per thousand 每一千的部分[translate]
下面这句话中200ppm是如何换算出来的?Notice that the range of salinity for most of the ocean's water is from 34.60 to 34.80 parts per thousand,which is 200 parts per million.【大洋海水的平均盐度是35,即每千克大洋水中的含盐量为35克.】...
Pipette 10 ml of the 1M stock into a 100 ml volumetric flask and make up to the mark to give a 10-1M soln. Now, pipette 10 ml of this 10-1M soln. into another 100 ml flask and make up to the mark to give a 10-2M soln. Pipette again, 10 ml of this 10-2M soln. into yet...
下面这句话中200ppm是如何换算出来的?Notice that the range of salinity for most of the ocean's water is from 34.60 to 34.80 parts per thousand,which is 200 parts per million.【大洋海水的平均盐度是35,即每千克大洋水中的含盐量为35克.】...
ppm= parts per million,表示“每百万份中所占的份数”。 个人认为,之所以用parts(份数),而不用...
Convert Milligrams Per Milliliter to Parts Per Billion (mg/ml in ppb). Milligrams Per Milliliter and Parts Per Billion both are the units of DENSITY. See the charts and tables conversion here!
Flame photometric determination at the parts per thousand million level of some volatile sulphur compoundsdoi:10.1016/0021-9673(64)80163-1G. A. F. HarrisonC. M. CoyneElsevier B.V.Journal of Chromatography A
to the nearest part-per-hundred level. Once we know a quantity to within one part per hundred or one part per thousand, using smaller measurement increments simply complicates the job of interpreting the measurement. So if you have a defect level of a few dozen parts per million, then ppm...
The abbreviations represent the assay of the pentachlorothiophenol (P) or the corresponding zinc salt (ZP) as a percentage by weight and the assay of the proprietary booster (FeHe) in parts per hundred thousand.Improved economics in the production of NR goods through the use of ...Index...