Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

G bases

In a first discretization step, we apply a suitable spatial discretization to Schrodinger s equation, e.g., based on pseudospectral collocation [15] or finite element schemes. Prom now on, we consider tjj, T, V and H as denoting the corresponding vector and matrix representations, respectively. The total... [Pg.397]

Uses. (9-Nitrochlorobenzene is used in the synthesis of azo dye intermediates such as o-chloroaniline (Fast YeUow G Base), i9-nitroani1ine (Fast Orange GR Base), o-anisidine (Fast Red BB Base), o-phenetidine, and (9-aminophenol (see Azo dyes). It also is used in corrosion inhibitors, pigments, and agriculture chemicals. -Nitrochlorobenzene is used principally in the production of intermediates for azo and sulfur dyes. Other uses include pharmaceuticals (qv), photochemicals, mbber chemicals (qv), and insecticides (see Insectcontroltechnology). Typical intermediates manufactured from the para isomer are -lutioaruline (Fast Red GC Base), anisidine, -aminophenol, -nitrophenol, -phenylenediamine, 2-chloro-/)-anisidine (Fast Red R Base), 2,4-dinitrochlorobenzene, and l,2-dichloro-4-nitrobenzene. [Pg.68]

Per 100 g based on 24.5% and 12.1% soHds, respectively, for whole and white Hquid. Yolk contains 44% egg soHds, diluted with egg white only. Proteia based oa total aitrogea multipHed by 6.25. [Pg.455]

Head meters with density compensation. Head meters such as orifices, venturis, or nozzles can be used with one of a variety of densitometers [e.g., based on (a) buoyant force on a float, (b) hydrauhc couphug, (c) voltage output from a piezoelectric ciystal, or (d) radiation absolution]. The signal from the head meter, which is proportional to pV" (where p = fluid density aud V = fluid velocity), is multiphed by p given by the densitometer. The square root of the produc t is proportional to the mass flow rate. [Pg.897]

In the tidal zone and the spray zone (known as the splash zone), cathodic protection is generally not very effective. Here thick coatings or sheathing with corrosion-resistance materials (e.g., based on NiCu) are necessary to prevent corrosion attack [4]. The coatings are severely mechanically stressed and must be so formed that repair is possible even under spray conditions. Their stability against cathodic polarization (see Section 17.2), marine growths, UV rays and seawater must be ensured [4,5]. [Pg.367]

For adsorbates out of local equilibrium, an analytic approach to the kinetic lattice gas model is a powerful theoretical tool by which, in addition to numerical results, explicit formulas can be obtained to elucidate the underlying physics. This allows one to extract simplified pictures of and approximations to complicated processes, as shown above with precursor-mediated adsorption as an example. This task of theory is increasingly overlooked with the trend to using cheaper computer power for numerical simulations. Unfortunately, many of the simulations of adsorbate kinetics are based on unnecessarily oversimplified assumptions (for example, constant sticking coefficients, constant prefactors etc.) which rarely are spelled out because the physics has been introduced in terms of a set of computational instructions rather than formulating the theory rigorously, e.g., based on a master equation. [Pg.477]

Ackermann et al. (16, 20) calculated the free energy of formation of Pu02(g) based on the reaction... [Pg.116]

We will first consider possible assignments for the fluorescing states in laser-excited PuF6(g) based on available energy level structure and thermodynamic information. We will then consider some of the implications of the long-lived PuF6 fluorescence we have observed in terms of potential photochemical separation processes. [Pg.167]

The minimization of the expected risk given by Eq. (1) cannot be explicitly performed, because P(, y) is unknown and data are not available in the entire input space. In practice, an estimate of 7(g) based on the empirical observations is used instead with the hope that the function that minimizes the empirical risk 7g p(g) (or objective function, as it is most commonly referred) will be close to the one that minimizes the real risk 7(g). [Pg.166]

Capillary principle (Thermalog G) Based on the same migration along wick principle as Thermalog S. Optimum response in a cycle of 600mgl" EO, temperature 54°C, rh 40-80%. Lower EO levels and/or temperature will slow response time, blue colour of band is fugitive at rh <30% Gas concentration, temperature, time (selected cycles)... [Pg.444]

COVALENT COMPOUNDS, METAL IONS OXIDATION-REDUCTION g) Base catalysis... [Pg.302]

ADLERCREUTZ H, BANNWART C, WAHALA K, MAKELA T, BRUNOW G, BASE T, AROSEMENA P J, KELLIS J T J R, VICKERY L E (1993) Inhibition of human aromatase by mammalian lignans and isoflavonoid phytoestrogens. J Steroid Biochem Mol Biol. 44 147-53. [Pg.80]

The Jaccard similarity coefficient is then computed with eq. (30.13), where m is now the number of attributes for which one of the two objects has a value of 1. This similarity measure is sometimes called the Tanimoto similarity. The Tanimoto similarity has been used in combinatorial chemistry to describe the similarity of compounds, e.g. based on the functional groups they have in common [9]. Unfortunately, the names of similarity coefficients are not standard, so that it can happen that the same name is given to different similarity measures or more than one name is given to a certain similarity measure. This is the case for the Tanimoto coefficient (see further). [Pg.65]

In extraction column design, the model equations are normally expressed in terms of superficial phase velocities, L and G, based on unit cross-sectional area. The volume of any stage in the column is then A H, where A is the cross-sectional area of the column. Thus the volume occupied by the total dispersed phase is h A H, where h is the fractional holdup of dispersed phase, i.e., the droplet volume in the stage, divided by the total volume of the stage and the volume occupied by the continuous phase, in the stage, is (1-h) A H. [Pg.194]

A 50-g (based on the oven-dry weight) soil sample is weighed into a centrifuge tube and blended at 7000 rpm with 100 mL of methanol for 10 min. The resulting... [Pg.1333]

SBA Materiaf N Loading (mmol N/g) Acid Reflux (mmol N/g) Base Treatment (mmol N/g)... [Pg.343]

Improved Methods for Collection, Bioassay, Isolation, and Characterization of Compounds. Techniques used to characterize natural products are evolving rapidly as more sophisticated instrumentation is developed. Plant physiologists and chemists should work closely together on this aspect, since rapid and reproducable bioassays are essential at each step. There is no standard technique that will work effectively for every compound. Briefly, isolation of a compound involves extraction or collection in a appropriate solvent or adsorbant. Commonly used extraction solvents for plants are water or aqueous methanol in which either dried or live plant parts are soaked. After extracting the material for varying lengths of time, the exuded material is filtered or centrifuged before bioassay. Soil extraction is more difficult, since certain solvents (e.g. bases) may produce artifacts. [Pg.4]

Based on the anode material employed, eight (8) subdivisions (A-H) have been developed by the U.S. EPA.5 As may be noted (Table 32.1), the zinc anode is divided into two groups (subcategories D and G) based on the electrolyte types. This difference is also reflected in the substantial differences in the manufacture, as well as the waste generated by the two groups. Although a subcategory of nuclear batteries is indicated, hardly any data exist that describes its construction, leave alone the waste characteristics. Similar paucity in information exists on thermal batteries (such as calcium batteries), whose production and use are limited to few operations, especially in... [Pg.1310]


See other pages where G bases is mentioned: [Pg.69]    [Pg.546]    [Pg.447]    [Pg.123]    [Pg.158]    [Pg.158]    [Pg.79]    [Pg.599]    [Pg.176]    [Pg.101]    [Pg.123]    [Pg.773]    [Pg.32]    [Pg.122]    [Pg.122]    [Pg.123]    [Pg.127]    [Pg.132]    [Pg.330]    [Pg.164]    [Pg.695]    [Pg.954]    [Pg.93]    [Pg.300]    [Pg.301]    [Pg.304]    [Pg.307]    [Pg.80]    [Pg.64]    [Pg.72]    [Pg.93]    [Pg.180]   
See also in sourсe #XX -- [ Pg.77 ]




SEARCH



C—G base pair

G • U base pairing patterns

G-BASE project

G:C and A:T base pairs

Metal NPs Supported in G-Based Materials as Catalyst for Coupling Reactions

Metal NPs Supported in G-Based Materials as Catalyst for Hydrogen Release

The weak base, e.g. methylamine

Watson-Crick base pairs G«C and

© 2024 chempedia.info