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Beneficiation distribution

As one would expect, since these patients owe their overproduction of uric acid to excessive release of hypoxanthine, they often do not respond well to allopurinol unless great care is taken in adjusting the dose. These patients, like Lesch-Nyhan patients, have limited ability to anabolize hypoxanthine to inosinate. Production of xanthine, which is no more soluble than uric acid, is not to the patients advantage (K15). Proper regulation of the allopurinol results in a beneficial distribution of the purines into three products, uric acid, xanthine, and hypoxanthine and resolves the solubility problem. [Pg.228]

Fuller claims that an auxiliary cupboard has better performance than an ordinary cupboard, if properly designed and used. The auxiliary flow rate should be 50% to 75% of the total exhaust flow from the cupboard. Below 50% there is no beneficial effect and above 75% the auxiliary air will aspirate contaminants out of the cupboard. The auxiliary air should enter the hood through the upper one-half to two-thirds of the opening. This should fill the volume between the cupboard operator and the opening and assist in the containment. The auxiliary air should be distributed uniformly across the length of the cupboard for a vertically sliding sash or above only the open sash of a cupboard with a horizontally sliding sash. It should also have a temperature within 1.5 °C of the room temperature and have a constant flow rate without pulsations. [Pg.996]

In a study by Stresser and co-workers, the effect on tumor modulation by 227 has been investigated. HPLC on liver extracts from Fisher 344 rats revealed two major compounds, 3,3 -bisindolylmefliane (133) and a linear trimer, together with a < l(KX)-fold lower content of 4 in comparison with the two major substances. The HPLC isolate was derivatized with /V-methyl-/V-bis(trifluoroacetamide) that, upon MS detection, gave a compound identical to /V,W -ditrifluoroacetylindolo-[3,2-()]carbazole. The content of 4 in this system was estimated to be 0.(XKX)13% of the total dose of 227 given. Thus, it was concluded that the beneficial effect of oral distribution of 227 is due to the total content of derivatives formed (95MI5). [Pg.51]

Effectiveness of selective adsorption of phenanthrene in Triton X-100 solution depends on surface area, pore size distribution, and surface chemical properties of adsorbents. Since the micellar structure is not rigid, the monomer enters the pores and is adsorbed on the internal surfaces. The size of a monomer of Triton X-100 (27 A) is larger than phenanthrene (11.8 A) [4]. Therefore, only phenanthrene enters micropores with width between 11.8 A and 27 A. Table 1 shows that the area only for phenanthrene adsorption is the highest for 20 40 mesh. From XPS results, the carbon content on the surfaces was increased with decreasing particle size. Thus, 20 40 mesh activated carbon is more beneficial for selective adsorption of phenanthrene compared to Triton X-100. [Pg.462]

The system conditions concerns load characteristics and needed energy, temperature and humidity. This affects the cold distribution system and how suitable snow cooling is for a certain project. Melt water from snow is about 0 °C at normal conditions why snow cooling for freezing applications are not directly applicable. It is however possible to run freezers towards melt water instead of warm air, which is beneficial both since the temperature difference... [Pg.362]

Spent foundry sand is thought of as a beneficial substitute for fine sand for use in portland cement concrete. Prior to acceptance of inclusion, test standards applied on conventional fine sand shall be referred to as the standards for spent foundry sand to compare the physical properties of conventional sand and spent foundry sand. The most important parameters are particle size distribution, fineness modulus, dust content, density, organics content, deleterious materials content, and grain shape. Although no spent foundry sand satisfies all of the specifications, foundry sand can be blended with conventional sand to be incorporated into the concrete matrix. The replacing ratio normally starts at one-third. [Pg.184]

Nociceptors are bare or free nerve endings therefore, they do not adapt, or stop responding, to sustained or repeated stimulation. This is beneficial in that it keeps the individual aware of the damaging stimulus for as long as it persists. Nociceptors are widely distributed in the skin, dental pulp, periosteum, joints, meninges, and some internal organs. The three major classes of nociceptors are ... [Pg.78]

Tuck G, Glending MJ, Smith P, House JI, Wattenbach M (2006) The potential distribution of bioenergy crops in Europe under present and future climate. Biomass Bioenergy 30 183-197 Vance ED, Mitchell CC (2000) Beneficial use of wood ash as an agricultural soil amendment case studies from the United States forest products industry. In Power JF, Dick WA (eds) Land application of agricultural, industrial and municipal by-products. SSSA, Madison, WI, pp 567-582... [Pg.146]


See other pages where Beneficiation distribution is mentioned: [Pg.11]    [Pg.759]    [Pg.11]    [Pg.759]    [Pg.2765]    [Pg.43]    [Pg.404]    [Pg.443]    [Pg.240]    [Pg.305]    [Pg.141]    [Pg.413]    [Pg.539]    [Pg.162]    [Pg.87]    [Pg.93]    [Pg.60]    [Pg.219]    [Pg.305]    [Pg.110]    [Pg.304]    [Pg.210]    [Pg.226]    [Pg.464]    [Pg.238]    [Pg.518]    [Pg.557]    [Pg.544]    [Pg.136]    [Pg.40]    [Pg.49]    [Pg.180]    [Pg.376]    [Pg.279]    [Pg.301]    [Pg.323]    [Pg.155]    [Pg.244]    [Pg.42]    [Pg.135]    [Pg.66]    [Pg.200]    [Pg.1092]    [Pg.6]   
See also in sourсe #XX -- [ Pg.438 ]




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