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Cell content names

Figure A.l. Cell contents naming cell, formulas, text. Figure A.l. Cell contents naming cell, formulas, text.
Commercially significant zeolites include the synthetic zeolites type A (LTA), X (FAU), Y (FAU), L (LTL), mordenite (MOR), ZSM-5 (MFI), beta ( BEA/BEC), MCM-22 (MTW), zeolites E (EDI) andW (MER) and the natural zeolites mordenite (MOR), chabazite (CHA), erionite (ERl) and clinoptiloUte (HEU). Details of the structures of some of these are given in this section. Tables in each section lists the type material (the common name for the material for which the three letter code was established), the chemical formula representative of the unit cell contents for the type material, the space group and lattice parameters, the pore structure and known mineral and synthetic forms. [Pg.35]

Because the diffraction pattern of a crystal is the periodic superposition (or product, or convolution) of the continuous transform of the unit cell contents with the lattice transform, other interesting consequences follow. For example, the locations of reflections in the diffraction pattern of a crystal, the net or lattice on which they fall, is entirely determined by the lattice properties of the crystal, namely the unit cell vectors. They in no way depend on the structure or properties of the molecules that fill the unit cells. On the other hand, the intensity we measure at each point in the diffraction pattern, and its associated phase, is entirely determined by the distribution of electrons, the positions of atoms xj, yj, Zj, within the unit cells. [Pg.106]

It is difficult to achieve a comprehensive classification scheme for chlorites because of the variety of chemical substitutions that are possible. Furthermore, classifications are subject to change with advances in our knowledge of the compositions, properties, and structures of chlorites. A summary of the main classification schemes follows. These refer primarily to trioctahedral Mg-Fe chlorites. The classifications are grouped into three categories (1) those of historical interest prior to 1920, (2) those in the period 1920 to 1940, and (3) modern classifications in which the crystal structure and the unit-cell contents are utilized. Aside from the names mentioned in connection with the different classifications, no effort will be made in this section to list the large number of species names that have been proposed for chlorites of different compositions and physical properties. [Pg.193]

Common name Cell reactions Nomina 1 voltage Energy W-h/mL a content Wh/kg Comments Manufacturers... [Pg.516]

Synthesis of the transferrin receptor (TfR) and that of ferritin are reciprocally linked to cellular iron content. Specific untranslated sequences of the mRNAs for both proteins (named iron response elements) interact with a cytosolic protein sensitive to variations in levels of cellular iron (iron-responsive element-binding protein). When iron levels are high, cells use stored ferritin mRNA to synthesize ferritin, and the TfR mRNA is degraded. In contrast, when iron levels are low, the TfR mRNA is stabilized and increased synthesis of receptors occurs, while ferritin mRNA is apparently stored in an inactive form. This is an important example of control of expression of proteins at the translational level. [Pg.586]

Bioparticles were periodically sampled and their carbon content measured. The mass of dry biofilm-cells on solid carriers was estimated assuming the following (1) the carbon content is related only to the contribution of biofilm-cells, neglecting the contribution of extra cellular matter (2) the carbon mass fraction of immobilized cells equals the value estimated for free cells, namely 0.44 [60]. [Pg.121]

Van Zoonen et al. [19,20] employed an alternative approach, in an attempt to overcome the limited aqueous solubility of diaryloxalate ester-type POCL reagents. In this work, granular TCPO was mixed with controlled pore glass and packed in a flow cell, forming a solid-state TCPO reactor. When this was used in conjunction with a flow system, some of the TCPO dissolved in the carrier solution. Numerous difficulties were encountered with this approach, namely, limited reactor lifetime (approximately 8 h) and low CL emission obtained as the carrier became more aqueous (a 90% reduction of CL intensity occurred when the aqueous content of the carrier stream comprised 50% water, as compared to pure acetonitrile). The samples also required dilution with acetonitrile to increase the solubility of TCPO in the sample plug. [Pg.144]

We begin with the symptoms of sickle cell anemia. As the name implies, victims are frequently anemic that is, they have a content of hemoglobin in blood less than the normal range, the result of lysis of red blood cells, the carriers of hemoglobin (hemolytic anemia). In addition, disease victims are susceptible to chronic infections, may have enlarged spleens, and suffer intermittent bouts of pain, which can be severe, in the bones, joints, and periosteum. The disease can be debilitating. [Pg.143]


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See also in sourсe #XX -- [ Pg.230 ]




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