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Fletcher process

BC, which increased to 100,000 tonnes the following year. A Fletcher process sulfur granulator was installed at Prince Rupert by Real International Marketing Limited in 1981. Vancouver, though, remains the Canadian sulfixr gateway to the world. [Pg.160]

J. P. Homak and L. M. Fletcher, in E. R. Dougherty, ed.. Digital Image Processing Methods, Marcel Dekker, New York, 1994. [Pg.58]

The lactate accumulation during intense anaerobic exercise was implicated as a possible fatigue factor as early as the beginning of this century (Fletcher and Hopkins, 1907). A detailed presentation of the role of H" and Pi in the contractile process has been presented in the section on fatigue in isolated fibers. [Pg.256]

Fletcher A new process proposed for making titanium dioxide pigment from ilmenite, based on its dissolution in hydrochloric acid. Developed by Fletcher Titanium Products, a subsidiary of Fletcher Challenge, a large paper company in New Zealand, based on original... [Pg.107]

Today, specialized microstructured equipment is available for many chemical engineering operations such as gas, liquid, gas-liquid, and liquid-liquid processing, largely without involving solids (Hessel et al. 2004a, 2005d Ehrfeld et al. 2000 Jensen 1999, 2001 Fletcher et al. 2002 Haswell and Watts 2003 Gavriilidis et al. 2002 Jahnisch et al. 2004 Kolb and Hessel 2004 Pennemann et al. 2004). This is further... [Pg.206]

Fletcher, A. W. Hester, K. W. A new approach to copper-nickel ore processing. Paper presented at the Annual AIME Meeting, New York, February 1964. [Pg.339]

The uptake of anthropogenic CO2 by the ocean is a crucial process for the carbon cycle, resulting in changes of the 5 C-value of dissolved oceanic bicarbonate (Quay et al. 1992 Bacastow et al. 1996 Gruber 1998 Gruber et al. 1999 Sonnerup et al. 1999). Quay et al. (1992) first demonstrated that the 5 C-value of dissolved bicarbonate in the surface waters of the Pacific has decreased by about 0.4%c between 1970 and 1990. If this number is valid for the ocean as a whole, it would allow a quantitative estimate for the net sink of anthropogenically produced CO2. Recent accounts estimate that the Earth s ocean has absorbed around 50% of the CO2 emitted over the industrial period (Mikaloff-Fletcher et al. 2006). [Pg.151]

Fletcher EA (2001) Solar thermal processing A Review. J Solar Energy Eng 123 63-74... [Pg.99]

The efficient formation of diaryliodo-nium salts during the electrolysis of arylio-dides has been reported by Peacock and Fletcher [166]. The electroiodination of a 3D-aromatic molecule, dodecahydro-7,8-dicarba-nido-undecaborate has also been reported [167]. The iodination (and bromi-nation) of dimedone has been reported to yield 2-iododimedone, which formally is an electrophilic substitution reaction [123]. In a similar process, the indirect electrochemical oxidation of aliphatic ketones in an alkaline Nal/NaOH solution environment has been shown to yield a,a-diiodoketones, which rapidly rearrange to give unsaturated conjugated esters [168]. Dibenzoylmethane has been converted into dibenzoyliodomethane [169]. Terminal acetylenes have been iodinated in the presence of Nal. However, this process was proposed to proceed via oxidation of the acetylene [170]. [Pg.294]

In an examination of the effects of low doses of ondansetron on acquisition of responding for a conditioned reward and on the response-potentiating effect of amphetamine in the rat, ondansetron had no effect on the learning of stimulus reward relationships but caused a small attenuation of the amphetamine effect, suggesting a possible modulatory role for 5-HTj receptors in this process (P. J. Fletcher and Higgins 1997]. [Pg.548]

Micelles are thermodynamically stable at the same time they are highly dynamic systems, as they break and re-form rapidly, and exchange material by continuous collisions and fusion processes (Fletcher and Robinson, 1981 Harada and Schelly, 1982). Figure 9.10 gives an illustration of this for reverse micelles, but aqueous micelles are similarly highly dynamic (Ulbricht and Hoffmann, 1993). [Pg.190]

We could counter worry, Fletcher insisted, with the process of menticulture. Today we would call It stress management. But Fletcher advised us to combat the nutritional causes of disease in a much more bizarre fashion. The secret to good health. [Pg.251]

Earlier, the work of Zetlmeisl and Laurence [22] was described. With their instrument, the current decayed exponentially during the titration. Control of the current via an algorithm can be done with the computer. An example of this is found in the work of Earle and Fletcher [64]. Their titrator was based on the Intel 8008, an early 8-bit microprocessor. For acid-base titrations, the applied current was reduced linearly with the difference in pH, ApH, between the measured value and the endpoint pH. An algorithm compared ApH with a set of rate functions specified in units of mA/pH. The magnitude of the current was then computed by multiplying ApH by the rate function. This process was repeated every 65.536 ms. The coulombs passed were computed for each of these time intervals and summed until the endpoint was reached. The result was then... [Pg.764]

TrCDD). Thus, volatilization from the water column is not expected to be a very significant loss process for the TCDD through OCDD congeners as compared to adsorption to particulates. In general, the Henry s law constants decrease with increasing chlorine number as a result of the decrease in vapor pressure and water solubility (Shiu et al. 1988). Volatilization half-lives for 2,3,7,8-TCDD were calculated for ponds and lakes (32 days) and for rivers (16 days) (Podoll et al. 1986). The primary removal mechanism for CDDs from the water column is sedimentation, with 70-80% of the CDDs being associated with the particulate phase (Muir et al. 1992). The remainder was associated with dissolved organic substances. CDDs bound to sediment particles may be resuspended in the water column if the sediments are disturbed. This could increase both the transport and availability of the CDDs for uptake by aquatic biota (Fletcher and McKay 1993). [Pg.433]


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See also in sourсe #XX -- [ Pg.160 , Pg.164 ]




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