This chapter discusses the relative atomic masses, molecular masses, and the mole concept. The relative atomic mass of an element is defined as the weight in grams of the number of atoms of the element contained in 12.00 g of carbon-12. To calculate the relative atomic mass of chlorine, th...
Mass (weight) relative response factors convert measured peak areas into weight % of a component. Response factors should be determined for Ethanol, Propyltriethoxysilane (PTES) and Chloropropyltriethoxysilane (Cl--PTES).选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制...
Assess the relative strengths of acids and bases according to their ionization constants Rationalize trends in acid–base strength in relation to molecular structure Carry out equilibrium calculations for weak acid–base systemsThe relative strength of an acid or base is the extent to which it ionize...
The effect of an amine catalyst on oxyalkyalation of alcohols of low relative molecular mass was studied. The reactivity and selectivity of the formation of the first homologues depend upon the alcohol, the alkylene oxide and the degree of oxyalkylation and decrease in the following order ...
The limit of detection was less than 1 ng corticosterone. Corticosterone concentrations are presented corrected for total tissue weight. For brain steroid measurement, half brains (sagitally sectioned) were homogenised in 1 ml ethyl acetate:ethanol (1:1 v/v), the homogenate was dripped into...
and that cells outgrowing from stationary phase will always experience a period of active width increase due to optimal resource allocation to volumetric growth. This model focuses on global resource constraints rather than specific molecular machineries, and therefore is broadly applicable to other microb...
The 2,2′bipyridine solution was prepared by mixing 6.6 mL of solution A (263 g/L orthophosphoric acid, 46 g/L TCA, 6 g/L FeCl3) and 2.4 mL of solution B (40 g/L 2,2′-bipyridine in 700 mL/L ethanol). Adducts were detected at 525 nm using a microplate reader (Safas Xenius,...
Shotgun two-dimensional high performance liquid chromatography-tandem mass spectrometry (2D-HPLC-MS/MS) was used to determine protein relative abundance indexes (RAI), calculated as the number of spectral counts (SpC) divided by molecular mass (Mr) of protein, in exponential phase cell-free ...
Here, we report the molecular mechanism of Hub1 action, which is independent of Snu66. We show that Hub1 contains a second functional surface, via which it binds to the DEAD-box helicase Prp5 that is involved in the early stage of spliceosome assembly. Hub1 is required for the formation...
the uptake capacity was integrated covering the same exposure time with guaranteed steady state of the later reaction for the same mass of manganese oxide of the same kind. It was found the uptake capacity was dependent on the sample mass and exhibited a linear increase in the range of 0–8....