The deposition of silicon (St) from silane (Sill4) was studied in the silane pressure range from 0.5 to 100 Pa (0.005 to 1 mbar) and total pressure range from 10 to 1000 Pa using N2 or He as carrier gases. The two reaction paths, namely, heterogeneous and homogeneous decomposition could be separated by varying the amount of wafer area per unit volume (wafer-distance variation) and the Sill4 par...

The feasibility of applying a self-adaptive filter to eliminate noise in the downhole mud pressure phase shift keying (PSK) signals is studied. The self-adaptive filter with carrier wave as the filter input signal and mud pressure PSK signal including noise as the filter expected input signal in structure was adopted to process the mud pressure PSK signals with the broadband signal characterist...

The ability to use ambient air as a carrier and reagent gas in an atmospheric pressure chemical ionization source allows instantaneous air analysis to be combined with hypersensitivity toward a wide variety of compounds. The TAGA (Trace Atmospheric Gas Analyser) is an instrument which is designed to use both positive and negative atmospheric pressure chemical ionization (APCI) for trace gas ana...

Antifungal drugs are the most common systemic drugs used for the treatment of oropharyngeal candidiasis, which is the first symptom of HIV infection. However, the efficacy and bioavailability of these drugs have been limited by their poor aqueous solubility and dissolution rate. Therefore, the aim of this study was to investigate the effect of different preparation methods (i.e. kneading, coeva...

Platinum diselenide (PtSe_2) field-effect transistors with ultrathin channel regions exhibit p-type electrical conductivity that is sensitive to temperature and environmental pressure. Exposure a supercontinuum white light source reveals positive negative photoconductivity coexists in the same device. The dominance of one type over other controlled by Indeed, observed high vacuum converts when ...

The world's first Liquefied Hydrogen (LH2) Carrier which will transport LH2 from Australia to Japan has been built. At Japanese port, reducing the tank pressure be required for safe operation. However, reduction cause flashing, leading an excess of venting capacity or liquid leakage. Hence, purpose this research is clarify rate and behavior through experimental numerical approaches respectively...

objective(s): researchers have intended to reformulate drugs so that they may be more safely used in human body. polymer science and nanotechnology have great roles in this field. the aim of this paper is to introduce an efficient drug delivery vehicle which can perform both targeted and controlled antibiotic release using magnetic nanoparticles grafted ph-responsive polymer.  methods: fe3o4 na...

a study was carried out to determine whether naturally-occurring weeds and other cultivated plants in tomato growing regions could act as symptomless reservoirs of infection to fusarium oxysporum f. sp. lycopersici. a numher of f. oxysporum isolates from weeds and oubergines were used in this investigation. a susceptible tomato cultivar was used for comparison. the plants were artificially ...

background and objectives : in iran, anaplasmosis is normally diagnosed with traditional giemsa staining method. this is not applicable for identification of the carrier animals. the aim of this study was to compare the detection of anaplasma marginale in two different numbers of microscopic fields (50 and 100) using conventional giemsa staining method compared with the pcr-rflp technique. mate...