Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Type-I/II"”.
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Hot electron injection effect and improved linearity in type-I/II DHBT for millimeter-wave mixed signal circuit applications
… and fabrication of HBTs based on InP and the III-V compounds compatible with epitaxial growth on this substrate. The hot electron injection effect is incorporated to improve gain and speed by using the AlInP/GaAsSb/InP material system with a Type-I/II energy band alignment. Chapter 1 of this …
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Dynamic range characterization of indium-phosphide double-heterojunction bipolar transistors for ultralinear sub-millimeter wave applications
… suspected physical origins of nonlinearity in Type-I DHBTs, which are not present in Type-I/II DHBTs. Both simulated and measured data is shown to support the hypothesis that heterojunction current blocking and base push-out are major sources of nonlinearity in Type-I DHBTs. It is also shown …
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Association of Masseter Muscle PITX2, ENPP1 and ESR1 Expression, Muscle Fiber Type, Temporomandibular Joint Disorders and Subclassifications of Craniofacial Asymmetry
… asymmetry, temporomandibular disorders and fiber type differences compared between right and left masseter muscles. We developed an asymmetry classification that diagnosed four types of asymmetry with distinctive growth patterns: Group 1 – menton deviation without ramal difference (“mandibular …
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Modeling the Seismic Response of Short Bridge Overcrossings
… in earthquakes. Nonlinear models for Illinois Type I, II and III elastomeric bearings are developed. The effectiveness of the bearings for reducing column displacement demands is addressed by analytical studies. These studies consider the effects of cold temperatures on bearing stiffness.
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A collagen-GAG matrix for the growth of intervertebral disc tissue
… used in the other studies. Additionally, type I, type II, and 50/50 type I/II CG matrices were made with nearly equal pore diameters, glycosaminoglycan content, and swelling ratios. Second, the capability of intervertebral disc cells to grow into the matrices was assessed by culturing AF …
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An Investigation of English Structure Rules in Adult Learners of English as a Second Language
… TOEFL group (high or low), and test type (I, II, or III) as the independent variables. The following error structures were found to be attributable, in part, to Spanish language interference:
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Determination of ADAMTS13 Susceptibility in Type IIA von Willebrand Disease
… ability to function properly. The three main types of vWD —Type I, II, and III— are not well defined, and as a result are all similarly treated with plasma-derived vWF replacement therapy. Plasma-derived vWF is a treatment that does not cure the problem but relieves the symptom of continual …
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Antimonide-based field-effect transistors and heterojunction bipolar transistors grown by molecular beam epitaxy
… and InGaSb as the channel materials for n- and p-type FETs, respectively. Both compounds were grown metamorphically on InP substrates with a composite AlSb/AlAs0.5Sb0.5 buffer layer, which was proved to be effective in enhancing the epitaxial quality. By optimizing the growth conditions, the …
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Investigation of the Acoustics of Plucked String Tones Based on the Analysis of Their Time-Varying Spectra
… the partial amplitude envelopes into four types. It is found that the partial envelopes of the tones produced by the three instruments, using the finger tip excitation method, on a single undamped string, can be described in terms of these four types. The results show that ch'in tones …
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Improving the Sustainability of Performance-Based Concrete Overlay Mix Design made with Rounded Aggregate
… Concrete mixtures were designed with three types of cement, Type I/II, Type IL, and calcium sulfoaluminate cement with polymer (CSAP), and evaluated at two water-to-cement ratios (0.35 and 0.40). The results show that optimized mixtures, particularly those with CSAP, can achieve compressive …
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Epigenetic Regulation of Skin Development and Postnatal Homeostasis The role of chromatin architectural protein Ctcf in the control of Keratinocyte Differentiation and Epidermal Barrier Formation
… in the genome into three distinct loci (Keratin type I/II loci and Epidermal Differentiation Complex (EDC) during differentiation of the epidermis are poorly understood. By using 3D-Fluorescent In Situ Hybridization (FISH), we determined that in the epidermal keratinocytes, the KtyII and EDC loci …
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Unidirectional solidification studies of ingot mould cast irons
… examination. The castings exhibited Hong's Type I, II and III mottled structures in regions where graphite morphology has been designated streamer 'grey' and cellular respectively. It is suggested that streamer and 'grey' areas result primarily from direct formation from liquid iron as well …
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Dynamic Atomic Force Microscopy and applications in biomolecular imaging
… range of parameter space and relative humidity, ii) smooth and step-like transitions have been investigated both experimentally and with simulations, iii) a method to mechanically stabilise the tip radius and calculate the effective area of interaction in the dynamic mode has been developed and …
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Modeling and Signal Processing of Low-Finesse Fabry-Perot Interferometric Fiber Optic Sensors
… to evaluate OPD demodulation algorithms. Two types of algorithms (TYPE I & II) are studied and compared. The TYPE I estimations suffice if the requirement for resolution is relatively low. TYPE II estimation has dramatically reduced error, however, at the expense of potential demodulation …
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An investigation into the influence of microstructural condition on the superelastic behaviour in Ti-Nb-based alloys.
… transformation can be explained in terms of type I, II and III stresses rather than being solely reliant on the key transformation temperatures. To elucidate this, preliminary experiments investiging the effect of grain size and dislocation density on the transformation behaviour in …
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Use of molecular tools to investigate the prevalence and transmission routes of Toxoplasma in woodmice and humans
Toxoplasma gondii is an important pathogen of humans and domestic livestock and isa major cause of abortion. It is widely distributed amongst mammals and birds and theepidemiology of human disease is complex due to the interactions between humanand animal hosts. Cats are the definitive host for the …
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Tetracycline-dependent gene expression in cholinergic neurons of transgenic mice : a tool to study Neuregulin-1 function in vivo
… 15 NRG1 isoforms, which can be grouped into type I, II and III variants. NRG1 has been traditionally viewed as a growth factor important for development. However, recent studies have suggested a continuous requirement for NRG1 signaling in the mature animal. Thus far, the study of NRG1 …
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Axogial communication mediated by soluble neuregulin-1 and bdnf
… proper functions of both neurons and glia. Three types of alternatively-spliced proteins belonging to the neuregulin1 (NRG1) gene family of growth and differentiation factors are essential for Schwann cell survival and peripheral nerve development. While membrane-bound NRG1 forms (type III) has …
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Identification de nouvelles interactions entre les protéines à domaines PDZ et les protéines kinases.
… C terminale de la protéine cible (motif de type I, II et III). Les protéines à domaines PDZ ont un rôle reconnu dans le développement des cancers, en régulant de différentes manières, les fonctions de protéines oncogènes ou suppresseurs de tumeur (kinases, phosphatases,…). Les protéines …
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High-speed Type-II GaAsSb/InP DHBTs for mixed-signal IC applications
… band alignments, there are mainly three types of InP HBTs, namely, InGaAs/InP single heterojunction bipolar transistor (SHBT), Type-I InGaAs/InP double heterojunction bipolar transistor (DHBT), and Type-II GaAsSb/InP DHBT. Among these three types of InP HBTs, Type-II GaAsSb/InP DHBT has …
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