Big Chemical Encyclopedia

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

Articles Figures Tables About

Modification miscellaneous

Shoe soles, adhesives, plastics modification, bitumen modification, miscellaneous moulded items, e.g., swim fins, black window glazing gaskets (UK -30 °C to +55 °C). [Pg.119]

Miscellaneous. Electron beams can be used to decompose a gas such as silver chloride and simultaneously deposit silver metal. An older technique is the thermal decomposition of volatile and extremely toxic gases such as nickel carbonyl [13463-39-3] Ni(CO)4, to form dense deposits or dendritic coatings by modification of coating parameters. [Pg.137]

Only transformations in the longest linear sequence (LLS) are considered. The term skeleton constructions refers to C-C and C-O bond formations (notwithstanding redox reactions) that directly introduce native structural features of the bryostatins without further modification. The term other functional group manipulations refers to steps that indirectly introduce native structural elements, the interconversion of functional groups (e.g., the introduction and removal of auxiliaries) and miscellaneous transformations that do not involve skeleton construction... [Pg.126]

Cowtan, K. and Main, P. (1998). Miscellaneous algorithms for density modification. Acta Crystallogr. D 54, 487- 93. [Pg.125]

Miscellaneous methods for surface modifications that were not taken up in the previous sections are presented in this section. [Pg.656]

Miscellaneous physical chemical measurements, some quite empirical, are of great importance to the petroleum industry because they are used for control in manufacture and are included in customer s specifications. Macro methods are of course available, but occasionally the sample is too small and this is frequently the case when the problem is particularly important. Micro modifications of these macro methods have often proved extremely helpful. Microchemistry is not a fad but it is not a panacea either. It should be employed where it is necessary, as where the sample is very small or where it offers a definite and substantial advantage in accuracy, precision, or economy of time or materials. If in a particular case it offers none of these advantages there is no good reason to employ it. [Pg.392]

Miscellaneous membrane modification, film modification, antifouling compositions, analytical agents... [Pg.173]

Methyl methacrylate, accounting for 4% of methanol consumption, is produced by the cyanohydrin process utilizing methanol. Methyl methacrylate is used to produce acrylic sheet, surface coating resin, and molding and extrusion powder. Also, there exist minor miscellaneous uses such as modification of acrylic fiber and polyester resin. [Pg.31]

XS = sulfonation, M = methylolation, MO = miscellaneous oxidation, G = grafting, P = phenolation, CM = carboxymethylation, MAC = maleic anhydride copolymerization, MCR = miscellaneous carboxyla-tion reactions, E = epichlorohydrin (also in conjunction with pheno-lated lignin), A = alkoxylation (i.e., ethylene, propylene, and butylene oxides), M+EP = modification with compounds containing unsaturated end groups ( divalent hydrocarbons ) followed by epoxidation with peroxide, MA = methacrylic acid. [Pg.50]

Coumarone Indene and Petroleum Pol3rmer Resins. The coumarone indene class excludes modification with phenolics. The data on these two classes of resins are usually lumped in with miscellaneous resins and are not disclosed. The coumarone indene figures were disclosed in the annual Tariff Commission figures in 1940 11), Coumarone-indene and petroleum polymer combined are disclosed in the annual Tariff Commission figures in 1950 11) and are disclosed in the monthly figures starting in 1951 ( ). [Pg.98]

Miscellaneous Resins. Under this classification the aniline-formaldehyde class excludes modifications with phenolics. The polyamide class excludes modifications of phthalic alkyds by adipic acid. [Pg.98]

The miscellaneous modifications described in this section involve only a small number of proteins and have not been subjected to throughput analysis by proteomic analysis and mass spectrometry. [Pg.113]

With the rapid increase in understanding of the mechanisms of cell injury and repair, a number of new substances have been identified that may prove to be useful markers of acute injury or disease activity. These include various cytokines and growth factors, several lipid mediators, a complex array of extracellular matrix components and cell adhesion molecules, plus a variety of miscellaneous compounds. At the present time, the clinical utility of their measurement in biologic samples is unknown, although in selected instances, clinical correlates have emerged. Unfortunately, not all of these markers are present in urine or blood samples. For some, detection involves histologic or histochemical techniques applied to renal tissue samples. Nonetheless, the substances discussed below are intimately involved in the control and modification of cell function, the response to stress and/or the processes of repair. It is anticipated that with proper amplification, one or more may be useful as a marker of susceptibility, exposure or effect. [Pg.639]

The relevant modifications to the Medicines Act 1968 are contained in the following pieces of legislation the Prescription Only Medicines (Human Use) Amendment Order 2000 the Medicine (Pharmacy and General Sale - Exemption) Amendment Order 2000 and the Medicines (Sale and Supply) (Miscellaneous Provisions) Amendment (No2) Regulations 2000. [Pg.295]


See other pages where Modification miscellaneous is mentioned: [Pg.314]    [Pg.477]    [Pg.65]    [Pg.250]    [Pg.47]    [Pg.6]    [Pg.314]    [Pg.482]    [Pg.156]    [Pg.333]    [Pg.83]    [Pg.277]    [Pg.241]    [Pg.20]    [Pg.372]    [Pg.524]    [Pg.340]    [Pg.52]    [Pg.990]    [Pg.496]    [Pg.104]    [Pg.112]    [Pg.409]    [Pg.427]    [Pg.409]    [Pg.427]    [Pg.314]    [Pg.326]    [Pg.146]   
See also in sourсe #XX -- [ Pg.257 ]




SEARCH



© 2024 chempedia.info