laser surface alloying of carbon steels with tantalum silicon and chromium

... principles of CO2 activation, can the goal of using CO2 as an environmentally friendly and economically feasible source of carbon be achieved Z.-Z Yang et al., Capture and Utilization of Carbon Dioxide ... Foundation of China (Grants No 21172125), the ‘‘111’’ Project of Ministry of Education of China (Project No B06005), Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy of Sciences ... Contents 5.3 5.4 5.5 Synthesis of Cyclic Carbonates from CO2 and Halohydrin Synthesis of Oxazolidinones from CO2 and Aziridines Synthesis of Carbamates from Amines, CO2 and Alkyl Halides ...

Ngày tải lên: 29/05/2014, 23:43

... conducted with and without the addition of MWNT/water nanofluid The test system included a base fluid loop and a water loop The base fluid could be supplied with either water or with nanofluid; ... enhancements of CuO and MWNT nanofluids increase with the increase of volume fraction of CuO and MWNT The thermal conductivity ratio improvement for CuO nanofluid is approximately linear with the ... increased The viscosity of water and MWNT nanofluid decreases with the increasing of temperature The measured viscosity of tap water is 0.8 cps at 23.5°C and that of MWNT nanofluid is 1.0 cps at...

Ngày tải lên: 21/06/2014, 04:20

... constructing a carbon nanotube and bSiC on the surface of (111) b-SiC Lower panel: Schematic of the orientation relationship between one [111] SiC plane, on which carbon nanotubes are standing perpendicularly, ... decompose the hydrocarbon Reilly and Whitten proposed a free radical condensate (FRC) forms which provides carbon species through a leaving group The breaking of carbon- hydrogen or carbon- carbon bonds ... Shaw EJ, Schlogl R, Hart AJ, Hofmann S, Wardle BL: Nanoscale Zirconia as a Nonmetallic Catalyst for Graphitization of Carbon and Growth of Single- and Multiwall Carbon Nanotubes J Am Chem Soc...

Ngày tải lên: 21/06/2014, 04:20

... polymer surface and the surface of cells Thin membrane of a biocompatible polymer blends made of polycarbonate (PC) and polymethylmethacrylate (PMMA), with a thickness of μm and irradiated with ... exploration of the use of lasers to modify the surface of PCL films and understanding the mechanisms behind it, and the effect of the physical and chemical changes imparted during the laser irradiation ... femtosecond laser 79 5.4.1.1 Effect of laser pulse energy on laser drilling 80 5.4.1.2 Effect of laser pulse number on laser drilling 82 5.4.2 Surface modification using excimer laser 84 5.4.3 Surface...

Ngày tải lên: 14/09/2015, 08:36

... functionalized with CM-β-CD They offer a promising tool for treatment of cationic and anionic dyes in wastewater viii List of Tables Table 2-1 Properties of α-, β- and γ-CDs 24 Table 2-2 Advantages and ... Table 2-2 list the general gains and drawbacks of surface coating of MNPs with natural polymers such as CDs: Table 2-2 Advantages and disadvantages of the use of CMCD-MNPs as adsorbent to treat ... gratitude and appreciation to my supervisors, Associate Professor K Hidajat and Associate Professor M S Uddin, who have supported and inspired me with their abundant patience, advice, effort and knowledge...

Ngày tải lên: 12/10/2015, 17:36

... between CBER and ORA; an approach compatible with existing FDA structures and systems; oversight to ensure consistency of decisions and actions; and efficiency and evaluation of new methods of inspection ... of a technical chapter on vaccines and clarified some important questions Two reviewers of the draft report, Richard A Merrill of the University of Virginia School of Law and Bernie Rostker of ... Drug Application ORA Office of Regulatory Affairs ORO Office of Regional Operations OSD Office of the Secretary of Defense PB pyridostigmine bromide PEO Program Executive Officer PHSA Public Health...

Ngày tải lên: 17/02/2014, 11:20

... the posterior pole of the eye Biomicroscopy Examination of ocular tissue using a bright focal source of light with a slit of variable width and height and a binocular microscope with variable magnification ... person often is unaware of the loss of an area of peripheral vision) The sudden onset of numerous floaters and the occurrence of flashes of light are hallmarks of a potential retinal tear Significant ... retina and the Common Signs, Symptoms, and Complications Early symptoms of retinal detachment (photopsia and/ or a sudden shower of floaters due to tearing of a retinal blood vessel) are often...

Ngày tải lên: 22/03/2014, 09:20

... turns out, Na and Ns are functions of the standard deviations, σu and σy , of u and y, respectively, that is, ˆ ˆ ˆ ˆ Na = Na (σu ) and Ns = Ns (σy ) Therefore, we refer to the system of Figure 0.2 ... Proofs 225 8.1 8.2 8.3 8.4 8.5 8.6 8.7 Proofs for Chapter Proofs for Chapter Proofs for Chapter Proofs for Chapter Proofs for Chapter Proofs ... various numerical and analytical studies indicate that if the plant, P(s), is low-pass filtering, the approximation is well within 10% in terms of the variances of y and y and u and ˆ u More details...

Ngày tải lên: 23/03/2014, 15:20

... expression of emotional and psychological distress and ease the burden of living with HIV/AIDS [22,34,35] A system of informal and formal counselling and support must be accessible to PLHIV and their ... health care programmes and increased levels of support for PLHIV and their caregivers will empower thousands of people to cope with HIV/AIDS and its complex psychological and social challenges ... gender issues, and instrumental Due to the debilitating nature of HIV/AIDS, the physical and medical needs of PLHIV are numerous and can be overwhelming [20] PLHIV cope with a variety of physical...

Ngày tải lên: 20/06/2014, 08:20

... inconsistencies, and it Page of 13 was shown in [11] that the annotation process is dependent on the listener, the software used to label the onsets and the type of music being labelled In [12], Vos and Rasch ... of the audio signal at a much lower sampling rate The ODF usually consists of one value for every frame of audio, and should give a good indication as to the measure of the unpredictability of ... modelling and onset detection The sinusoidal modelling process can be extended, creating models of sound based on the separation of the audio signal into a combination of sinusoids and noise [22], and...

Ngày tải lên: 20/06/2014, 22:20

... inconsistencies, and it Page of 13 was shown in [11] that the annotation process is dependent on the listener, the software used to label the onsets and the type of music being labelled In [12], Vos and Rasch ... of the audio signal at a much lower sampling rate The ODF usually consists of one value for every frame of audio, and should give a good indication as to the measure of the unpredictability of ... modelling and onset detection The sinusoidal modelling process can be extended, creating models of sound based on the separation of the audio signal into a combination of sinusoids and noise [22], and...

Ngày tải lên: 21/06/2014, 00:20

... amplifyand-forward in [13, 15], respectively, and decode-andforward in [14], and the respective merits of multicell processing and MS cooperative transmission technologies, and combinations thereof, ... realizations of the corresponding random variable INTERCELL CONFERENCING WITH INTRACELL TDMA In this section, we consider the first scenario of interest, which consists of a modification of the linear ... Wyner model with inter-cell conferencing and intra-cell TDMA studied in Section Nm are Gaussian with independent real and imaginary parts that each have zero mean and variance 1/2, and we write...

Ngày tải lên: 21/06/2014, 22:20

... superposition of the patterns from two pieces of nanocrystals Both of interplanes spacings, whose values are about 0.237 nm and lie at an angle of near to 60°, are of regular parallelogram with a center and ... of China (Grant number of 60576023 and 60636010), the State Key Program for Basic Research of China (2004CB619004), the State Key Program for Science and Technology of China (2009ZX02101-4) and ... proportional to the size of the nanocrystals In order to further understand the nature of the charge carrier trapping, migration and transfer in Ti0.25Al0.75Ox films with small nanocrystals and the PL excitation...

Ngày tải lên: 22/06/2014, 00:20

... different parts of the image, enabling the possibility of high-quality region of interest (ROI) and the possibility of discarding unused portions of the image An unused portion of the image could ... codestream and includes all headers and required side information This rate is given in terms of bits per pixel per band (bpppb), where band means spectral band for hyperspectral data and axial ... reading the minimum amount of bits spectral dimensions independently and random access decoding These properties are important to ease of access and processing of the data and were not introduced...

Ngày tải lên: 22/06/2014, 00:20

... (X-HRTEM), and selected area electron diffraction (SAED) Results and Discussion FTIR Spectroscopy Figure 1a shows the variation of total reflectance with the amount of carbon precursor (SUC) of C–SiO2 ... was done with 6, 9, 11 and 12 g of SUC for a fixed TEOS: H2O ratio of 12:9 The low to high reflectance transition appears to move towards an apparent limit of lm with increasing amount of SUC It ... optical mode of the out of phase mode of the asymmetric vibration or to the longitudinal optical mode of the high frequency vibration of SiO2 [8] On the other side of the major absorption band, at...

Ngày tải lên: 22/06/2014, 01:20

... by TYPEDIS and the PARITY by TYPEDIS interactions were important with p-values of 0.04 and 0.02, respectively Namely, 27% of the animals with purulent and fetid discharge and 13% with purulent ... effect of CL, MLo = fixed effect of ML100, TDp = fixed effect of TIMED, Cr = random effect of farm A similar model was fit for the variable ΔBCS Stepwise forward selection was used and the levels of ... associated with the presence of A pyogenes and Escherichia coli, but not with that of Fusobacterium necrophorum or Prevotella melaninogenicus, the synergy of which is important for the pathogenesis of...

Ngày tải lên: 07/08/2014, 23:22

... (35 patients, with a diagnosis of LMS of the bladder) showed a years disease-specific survival of 62%, with a 34% recurrence rate at a median follow-up of 38 months, with both local and distant ... conflicts of interest The authors alone are responsible for the content and writing of the paper Authors' contributions ER conceived of the study, and participated in its design and coordination and ... collecting data and read and corrected the manuscript MM participated in design of the study and revisions, gave intellectual input and corrected the manuscript All authors read and approved the...

Ngày tải lên: 09/08/2014, 03:21

... of their distance from an exon junction, their position with the gene, and so on They also described a novel unbiased protocol for amplification and labeling of full-length RNAs, combining random-primed ... random-primed first-strand and second-strand synthesis steps with an amplification strategy that uses both PCR and in vitro transcription The method is reported to sample the entire transcript and thus prevent ... quantitative analysis of distinct splice forms of two human genes (CD44 and TPM2) using an Affymetrix microarray platform Castle et al [24] reported studies of two human genes (RB1 and ANXA7), examining...

Ngày tải lên: 09/08/2014, 20:20

... administration of millicuries of indium111 and use of a plantar gamma camera and single photon emission computed tomography (SPECT) The study identified an abundance of heterogenous activity within the ... currently stand as the only such designated entities Females are affected slightly more often than males (1.4:1), and the ages of the patients have ranged from 18 to 84 with an average age of 54 years ... and atypical hepatic carcinoids At the time of this writing, our patient has reached the eight-month post-operative milestone and is both symptom-free and disease-free Of course, it will be of...

Ngày tải lên: 11/08/2014, 10:22

... vein, IVC and into the right atrium and occupying a significant proportion of the right atrial volume The right atrium appeared largely distended with thrombus with a faint trickle of contrast ... typically present with haematuria, a palpable abdominal mass and flank and/ or abdominal pain [4-8] Our patient, with extensive atrial thrombus, complained of dyspnoea, dizziness and fatigue owing ... successfully with deep hypothermic circulatory arrest This patient was 21 years old and one of the youngest patients with PNET with a level IV thrombus to undergo right radical nephrectomy and IVC...

Ngày tải lên: 11/08/2014, 21:22