Metrics testing

For larger and more complex boiler plants, where spectrophoto-metric tests are the norm, the presence of a brown color may cause interference, but these normally are dealt with quite easily. 

Stossel, T. P. (1973) Evaluation of opsonic and leukocyte function with a speclrophoto-metric test in patients with infection and with phagocytic disorders. Blood 42,121-130. 

In both studies, nonmetric clustering outperformed the metric tests, although both principal components analysis and correspondence analysis yielded some additional insight into large-scaled patterns, which was not provided by the nonmetric clustering results. However, nonmetric clustering provided information without the use of inappropriate assumptions, data transformations, or other dataset manipulations that usually accompany the use of multivariate metric statistics. The success of these studies and techniques led to the examination of community dynamics in a series of two multispecies toxicity tests. 

Figure 7 Clinical disease grading. (A) Anterior chamber cell grade. (B) Anterior chamber flare grade. (C) Fundus opacity grade (mean SEM, P < 0.001, a Mann-Whitney U nonpara-metric test). Source From Ref. 22.

Rationale is given to parallel experimental cychc voltammetric and conducti-metric tests in which the ions are either present or absent inside the coordination sphere the results also depend on the nature of the metal and of the Th structural unit. In particular, reversible uptake of Cu(ll) ions by macrocyclic ligands... 

The first main feature of the System 4 RMS is its ability to characterize a wider range of the above systems than any other current rheometer. Several drives and stress transducers are required the wide range of modes, rates and materials to be handled would mean that no single drive/transducer combination would be sufficiently flexible and accurate. Instead, the System 4 RMS uses a turret with four different drive or transducer units one unit is used for steady shear tests, one for oscillatory shear, one for tension-compression and bending and one unit is used for low-viscosity-high-shear-rate tests on fluids. The second main feature of the new machine is its completely automatic microprocessor control coupled with data acquisition and reduction. Without doubt, this new rheometer will result in rheo-metrical tests being carried out more reliably, accurately and quickly than previously. 

BTeaaler ote-agnit, 848,868 693 oolori-metric test fornitngen in water, 263 Mewton, combustion of d on 677... 

The general test for cationic surfactants in environmental samples is a spectrophoto-metric test based on formation and extraction of a colored ion pair with an anionic dye, disulfme blue. The result of this test is designated as disulfme blue active substance, ... 

Every continent, except Antarctica, grows com 40% of the present world crop is produced in the United States. In the 1987—1988 crop year, 12 states (Iowa, HI., Nebr., Minn., Ind., Ohio, Wis., Mo., S. Dak., Mich., Kans., and Tex. in order of production) produced 157.5 million metric tons (6.2 biUion bushels) that was 88% of the United States and 36% of the world s crop (66). Yield is influenced by many factors, including climate, pest control, planting density, and fertilization. Yield in the United States has increased from about 1.5 metric tons /hectare in the 1930s to about 7.5 metric tons /hectare. In 1985, a test plot produced 23.2 metric tons /hectare and yields approaching 40 metric tons /hectare are considered possible com is the most productive of the principal food crops. 

Metric Practice Guide ASTM Bulletin E380-19, American Society for Testing and Materials, Philadelphia, Pa., 1979. 

Because the ore quaUty is variable, large open-pit mining areas are first identified by general exploration specific mining strips are later identified by further exploration and testing. Surface mining methods are used. The overburden is drilled, blasted, and removed, and the waste from a given strip is dumped into a previously worked-out strip. After removal of the overburden, the exposed caUche is drilled, blasted, and loaded into 80-metric ton tmcks that dehver the ore to a transfer rail station for transportation to the plants. 

Values are minimum average of 10 tests (see Fig. 1 for illustration of test method). The metric size is 10 times the minimum diameter. 

Example 1 Sample Quantity for Composition Quality Control Testing An example is sampling for quality control of a 1,000 metric ton (VFg) trainload of-Ks in (9.4 mm) nominal top-size bentonite. The specification requires silica to be determined with an accuracy of plus or minus three percent for two standard errors (s.e.). With one s.e. of 1.5 percent, V is 0.000225 (one s.e. weight fraction of 0.015 squared). The problem to be solved is thus calculating weight of sample to determine sihca with the specified error variance. 

Method of Supporting Specimens The supporting device and container should not be affected by or cause contamination of the test solution. The method of supporting specimens will vary with the apparatus used for conducting the test out should be designed to insulate the specimens from each other physically and electrically and to insulate the specimens from any metric container or supporting device used with the apparatus. 

Torsional test and minimum torques for bolts and screws with nominal diameters I mm to lO mm Specification for spring washers for general engineering and automobile purpo.ses, Metric series Code of practice for design of high-voltage open-terminal stations... 

Measuring employee understanding of appropriate quality objectives is again a subjective process. Through the data analysis carried out to meet the requirements of clause 4.1.5 and 4.2.8 you will have produced metrics that indicate whether your quality objectives are being achieved. If they are being achieved you could either assume your employees understand the quality objectives or you could conclude that it doesn t matter. However, it does matter as the standard requires a measurement. Results alone are insufficient evidence. The results may have been achieved by pure chance and in six months time your performance may have declined significantly. The only way to test... 

Arkin, A., Slien, P., and Ross, J., 1997. A test case of correlation metric construction of a reaction pathway from measurements. Science 277 1275-1279. 

It is presumptuous to report that a substance is not hydrated simply because there are no drifts in the readings obtained during potentio-metric measurements or because the experimentally determined p a value is not very different from the predicted value. A small amount of hydration may cause only a small difference in the ionization constant and hence other tests should be applied. A number of heterocyclic compounds which have seemingly normal pvalues may well be partially hydrated. 

Spektralanalyse, /. spectrum analysis, spektralanalytisch, a. spectroscopic, spectro-metric. — adv. by spectrum analysis. Spektral-apparat, to. spectroscopic apparatus, -beobachtung, /. spectroscopic observation, -bereich, -bezirk, to. spectral region, -farbe, /. spectral color, spectrum color, -gegend, /. spectral region, -lampe, /. spectrum lamp, -hnie, /. spectrum line, spectral line, -probe, /. spectrum test, -rohr, n.. -rohre, /. spectrum tube, spectral tube, -tafel, /. spectrum chart, spectral chart. 

Test method for sandwich corrosion test Recommended practice for preparing, cleaning, and evaluating corrosion test specimens Practice for aqueous corrosion testing of samples of zirconium and zirconium alloys Test method for corrosion testing of products of zirconium, hafnium and their alloys in water at 633 K or in steam at 673 K [metric] Recommended practice for conventions applicable to electrochemical measurements in corrosion testing... 

Prospector web Prospector Web is an interactive database used to find and compare plastic materials. You can specify your application requirements to search a catalog of nearly all North American plastics and increasing amounts of plastics data from European and Pacific Rim material suppliers. Materials can be searched by any of 200+ properties, reviewed, sorted, and compared to determine the material best fitted to your needs. Test data is available in both English or Metric units and ASTM or ISO format. Both Prospector Web and its sister product Prospector Desktop come with IDES s exclusive Plastics Materials Hotline to help with questions that may arise. 

---