Origin of L-Threonine: Foods rich in L-threonine are: 1  poultry. 2  fish. 3  cottage cheese. 4  sesame seeds. 5  lentils. 6  bananas. 7  carrots. 8  green leafy vegetables.
UOAs are a great tool in the Management of any machinery that uses liquid lubricants. Unfortunately, their real value is often misunderstood by those who contribute to BITOG. Firstly, it is important to realize that you get what you pay for. The most common forms of UOA are limited in their scope. It is a case of if you pay more you get more. So my comments here relate primarily to the âsimpleâ UOAs â the cornerstone of those appearing on BITOG.
1 | 2. Ultrafiltration (UF) is a type of membrane filtration in which hydrostatic pressure forces a liquid against a semipermeable membrane. A semipermeable membrane is a thin layer of material capable of separating substances when a driving force is applied across the membrane.