نتایج جستجو برای: analytical determination
تعداد نتایج: 410695 فیلتر نتایج به سال:
Thallium is used in both cyanide and sulfite-based gold plating bath solutions as an additive that modulates how deposits on the target substrate. The level of Tl has a large effect properties being deposited, including its microstructure hardness. Thus, especially commercial process applications, it critical to be able measure content accurately, quickly, facilely order ensure proper quality p...
in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...
Consumption of shellfish contaminated with algal toxins produced by marine dinoflagellates can lead to diarrhetic shellfish poisoning (DSP). It was therefore essential that there are analytical techniques to identify and quantify DSP toxins in shellfish. This new methodology could facilitate DSP monitoring and create a means of rapidly responding to incidents threatening public health. In the l...
We study the Position Resolution of CMS/ECAL crystals, at Monte Carlo level. Results are presented for two different methods of position determination, the analytical technique of Centre of Gravity and a method based on Neural Networks.
Softening and dropping point determination are established analytical tests that provide quality control for petrochemical products such as bitumen (asphalt). However, to be accurate, manual/semi-automated quality tests prescribed in ASTM standards must be performed in a standardized fashion. Unfortunately, manual processing bears inherent process risks that affect repeatability, which in turn ...
A uniform and rich-wrinkled electrophoretic deposited graphene film was utilized as the prominent analytical platform for electrochemical sensitive determination of nitroaromatic explosive compounds, such as 2,4,6-trinitrotoluene (TNT).
Because of the primary aminic character of asulam, it is readily labelled with fluorescamine. A study of the variables affecting the derivatization reaction has been made. Two analytical approaches, that is, direct, synchronous spectrofluorimetry have been tested, and they both show good analytical performances. The linear dynamic range of the synchronous approach is 0.043-0.214 mug/ml and the ...
The paper presents a new analytical method for blocking probability determination in the WCDMA interface of the UMTS network with priorities. In our considerations we use a new model of the full-availability group servicing PCT1 and PCT2 multi-rate traffic with priorities. The proposed scheme is applicable for cost-effective WCDMA resource management in 3G mobile networks and can be easily appl...
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