Given an arbitrary n, we consider anisotropic quadratic forms of dimension n over all fields of characteristic = 2 and prove that the height of an n-dimensional excellent form (depending on n only) is the (precise) lower bound of the heights of all forms of dimension n.

a trial study was carried out to assess the influence of the plant residue management in conjuction with application of different nitrogen sources on wheat yield and components, at the agricultural faculty of shahidchamran university of ahvaz during 2011-2012.the experimental design was splitplot at randomized completed block design arrangement. the main plot were different wheat residue manage...

Rice husk ash is one of the most widely studied biomass ashes used in pozzolanic addition. Given its lower silica content, rice straw (RSA) has been explored less often, despite fact that, according to United Nations Food and Agriculture Organization (FAO), (RS) production estimated at 600 million tons/year. In this work, RSA was physically chemically characterized, properties were assessed. A ...

DETERMINATION OF SILICA OXIDE iron ores usually are found in intimate association with sllica and phosphorus compounds. heir quantitative separation and purification sometimes present difficult problems to the chemist. Silicic acids may represent various degrees of dehydration. They are exceedingly weak, but combine with metallic oxides and form some of the most stable , oxides in nature, the s...

ALTHOUGH the action of aqueous solutions of aldehydes upon proteins has been extensively studied, the behaviour of aldehydes in the anhydrous state does not seem to have been investigated in detail, except for the single observation of Mathewson [1906] that gliadin appeared to be somewhat soluble in impure benzaldehyde. Apart from its chemical interest such an investigation might lead to improv...

the current study was conducted to survey the influences of addition of alfalfa meal (am), rice bran (rb) and wood shaving (ws) in wheat-based diets [contain soluble non starch polysaccharides (nsp)] on performance carcass characteristic and serum lipids of broilers from 11 to 42 d of age. seven hundreds 10-d-old male ross 308 chicks were placed into 35 pens and allocated to seven wheat-soybean...

The stress-activated protein kinase (SAPK, alternatively JNK) is activated rapidly by cell stress stimuli such as inflammatory cytokines and oxidative stress, and more slowly by the initiation of the apoptotic cell death response by events such as ligation of the Fas protein. Mitogen-activated protein kinase/Erk kinase kinase-1 (MEKK1) is an activator of SAPK, serving as a SAPK-kinase-kinase th...

The possibility of an association of mRNA with the cytoskeletal framework (CF) of ascidian (Styela plicata) follicle cells was examined in this study. The approach was to extract the follicle cells with Triton X-100 and determine whether mRNA persisted in the insoluble residue by two methods, in situ hybridization with poly(U) and actin DNA probes and the incorporation of radioactive isotopes i...

The temperature-dependent hydrolysis and solubility of chitosan in sulfuric acid solutions offer the possibility for chitosan extraction from zygomycetes mycelia and separation from other cellular ingredients with high purity and high recovery. In this study, Rhizomucor pusillus biomass was initially extracted with 0.5 M NaOH at 120 °C for 20 min, leaving an alkali insoluble material (AIM) rich...