Carbon black (CB) fineness has been quantified since the first TEM images of CBs in 1939 revealed the presence of aggregated, spheroidal, size-distributed particles. Since particle size could be measured directly from TEM micrographs, mean particle size (MPS) became a ubiquitous CB fineness ...
___ A.Talking in a direct manner. B.Speaking loudly in public. C.Writing a letter to your friend before visiting. D.Taking flowers with them when visiting a friend. 48.What does the underlined word"Siesta"mean?___ A.午休 B.关店 C.假日 D.下午茶 49.Who still follows the Siesta...
What does "to speak to" in th e 2n d paragr aph mean? A. T o communicat e wit h. B. T o say t0. C. T o talk t0. D. T o respon d to.5. T h e last senten c e of th e passag e implies t hat A. it is very likely that customers will buy un necessary things...
What does ASTM E 84 mean? Class A Fire & Smoke Rated The best-known test for evaluating building materials for fire safety is the American Society for Testing and Materials (ASTM) Test Method E84, commonly known as the tunnel test. This test measures a material's reaction after being expos...
What does ASTM A36 mean? ANSWER: A36 Steel is the American Society for Testing and Materials (ASTM) designation for carbon steel with a yield strength of 36,000 PSI. Unlike most other grades that are designated by their chemical composition, the “36”corresponds to its mechanical properties....
Does that mean you’ll get amazing fuel economy with zero emissions? Not quite. A gallon of E85 ethanol contains 80,000 BTU of energy compared with 124,800 BTU for the same amount of gasoline. That means you would have to buy 1.56 gallons of E85 for every gallon of regular gasoline. ...
What does th e phras e "go beyond th e mun dane" may mean? A. Go to a familiar place. B. Do something erciting. C. Look for a comfortabl e place. D. T ravel in an ordinary way.7. According to th e passage, Hippo Point is i ntended for A.th e sports fans B.th e ...
What do the ratings mean? Virginia Tech explains that: A helmet's rating is comprised of two components: the STAR score and the number of stars. STAR stands for the Summation of Tests for the Analysis of Risk, and the STAR score is calculated based on a helmet's performance in a ...
Bolting TipsWhy does torque vary when tightening and untightening?Why is the untightening torque lower than the tightening torque when tightening a bolt or nut?Read more Bolting TipsThe Experts: Getting the most out of fastenersBefore you re-use bolts, you should always consider the sec...
Assume that Vs = 0.55Vp. what does this tell us about the bulk modulus and shear modulus? Are they related? Each of two identical uniform metal bars has a resistance R. What is the resistance if the bars are welded together along their length?