Results 21 to 30 of about 514,430 (322)
On the proportions of soluble forms in some families of locally soluble binary quartic forms [PDF]
An integral binary quartic form is said to be locally soluble (resp. soluble) if the corresponding genus one curve has a rational point over $\mathbb{Q}_v$ for every place $v$ of $\mathbb{Q}$ (resp. over $\mathbb{Q}$). We consider the proportion of soluble integral binary quartic forms in locally soluble forms.
arxiv
Finite groups whose maximal subgroups have only soluble proper subgroups [PDF]
We give a description of a finite group whose maximal subgroups possess only soluble proper subgroups, which implies the answer to the well-known question on composition factors of finite groups, whose second maximal subgroups are soluble.
arxiv
Honokiol (HK), a well-tolerated natural product, has many multiple pharmacological activities. However, its poor water solubility and low bioavailability limit its clinical application and development.
Li Wang+4 more
doaj +1 more source
The studies of solubility of the paprika extract with a high concentration of carotenoids in carbon dioxide under the pressure of 20−50 MPa and at temperatures of 313.15−333.15 K were carried out using the static method.
Dorota Kostrzewa+2 more
doaj +1 more source
Amyloid Fibril Solubility [PDF]
It is well established that amyloid fibril solubility is protein specific, but how solubility depends on the interactions between the fibril building blocks is not clear. Here we use a simple protein model and perform Monte Carlo simulations to directly measure the solubility of amyloid fibrils as a function of the interaction between the fibril ...
arxiv +1 more source
Reactions of calcite in water in the presence of stearic acid [PDF]
In the suspension of water and calcite, with pH 10.14, on the border of calcite / water was formed a double electric layer. Its structure, or hydrophilic properties of minerals, depended on the concentration of potential determination ions, Ca2+ i 2 CO3 ,
Mihajlović Slavica R.+3 more
doaj +1 more source
The commuting graph of a soluble group [PDF]
The commuting graph of a finite soluble group with trivial centre is investigated. It is shown that the diameter of such a graph is at most 8 or the graph is disconnected. Examples of soluble groups with trivial centre and commuting graph of diameter 8 are provided.
arxiv +1 more source
Solubility of Alkylporphyrins [PDF]
The solubility in benzene and ethanol of 2,8,12,18-tetramethyl-3,7,13,17-tetrabuthylporphyrin with various substituents in the5,15-positions of the molecule is investigated. A comparative analysis of the influence of alkyl substituents on porphyrin solubility is carried out.
Galina M. Mamardashvili+2 more
openaire +3 more sources
Study of equilibrium dissolution of WO3–CaSO4 in HCl–Na2SO4 solution
There are numerous issues in the mainstream process of alkali decomposition of tungsten ores, such as large water consumption, large amounts of wastewater, and high processing costs, which add the dual pressure of economic and environmental protection on
Lüe-wei XU+6 more
doaj +1 more source
The Role of Configurational Entropy in Amorphous Systems
Configurational entropy is an important parameter in amorphous systems. It is involved in the thermodynamic considerations, plays an important role in the molecular mobility calculations through its appearance in the Adam-Gibbs equation and provides ...
Kirsten A. Graeser+3 more
doaj +1 more source