scholarly journals EFFICIENCY OF MALIGNENT EPITHELIAL SKIN TUMORS TREATMENT METHODS

10.23856/3412 ◽  
2019 ◽  
Vol 34 (3) ◽  
pp. 98-103
Author(s):  
Yevstakhii Shypytiak ◽  
Yuri Voloshansky ◽  
Vitaliy Fil ◽  
Antoni Stadnicki
Keyword(s):  
Short Range ◽  
Risk Groups ◽  
Skin Tumors ◽  
The Other ◽  
Ray Method ◽  
Treatment Methods ◽  
X Ray ◽  
Advantages And Disadvantages ◽  
Methods Of Treatment ◽  
Metachronous Tumors

The article analyzes the data of 307 patients, who have solitary, primary-multiple synchronous or metachronous tumors. It considers the advantages and disadvantages of the main methods of treatment of malignant epithelial skin tumors, in particular, short-range X-ray, electro-excision, cryotherapy and scalpel excision. The authors compare treatment methods and propose modern recommendations for choosing treatment tactics based on risk groups. The short-range X-ray method is found to be the least effective compared to the other methods of treatment of malignant epithelial skin tumors.

MATCHING TORSION Λ-TERM WITH OBSERVATIONS

2003 ◽  
Vol 12 (03) ◽  
pp. 381-394 ◽  
Author(s):  
S. CAPOZZIELLO ◽  
V. F. CARDONE ◽  
E. PIEDIPALUMBO ◽  
M. SERENO ◽  
A. TROISI
Keyword(s):  
Exact Solution ◽  
Negative Pressure ◽  
High Redshift ◽  
Cosmological Parameters ◽  
The Other ◽  
Observational Constraints ◽  
Ray Method ◽  
X Ray ◽  
Torsion Field

Taking into account a torsion field gives rise to a negative pressure contribution in cosmological dynamics and then to an accelerated behaviour of Hubble fluid. The presence of torsion has the same effect as a Λ-term. We obtain a general exact solution which well fits data coming from high redshift supernovae and Sunyaev–Zeldovich/X-ray method for the determination of cosmological parameters. On the other hand, it is possible to obtain observational constraints on the amount of torsion density. A dust dominated Friedmann behaviour is recovered as soon as torsion effects are not relevant.

The Compliance Method for Measurement of Near Surface Residual Stresses—Application and Validation for Surface Treatment by Laser and Shot-Peening

1994 ◽  
Vol 116 (4) ◽  
pp. 556-560 ◽  
Author(s):  
W. Cheng ◽  
I. Finnie ◽  
M. Gremaud ◽  
A. Rosselet ◽  
R. D. Streit
Keyword(s):  
Residual Stresses ◽  
Surface Treatment ◽  
Hole Drilling ◽  
Ray Method ◽  
Near Surface ◽  
X Ray ◽  
Advantages And Disadvantages ◽  
Surface Residual Stresses ◽  
Ray Methods ◽  
Good Agreement

Residual stresses due to surface treatment are measured using the compliance method. The method makes use of the strains measured on the surface while a cut is extended progressively along a plane of interest. The experimental results for a shot peened specimen show good agreement with those obtained by the X-ray method. This experiment demonstrates that the compliance method is accurate and capable of measuring residual stresses which vary rapidly over a depth of less than 50 μm. Good general agreement with results by the X-ray method is also obtained for a laser treated specimen. Some advantages and disadvantages of the present method relative to hole-drilling, layer removal and X-ray methods are discussed.

scholarly journals EXTRAPERITONEAL ACCESS FOR THE TREATMENT OF INGUINAL HERNIA

2019 ◽  
Vol 21 (1) ◽  
pp. 113-117
Author(s):  
A A Polyakov ◽  
I V Mikhin ◽  
O A Kosivtcov ◽  
L A Ryaskov
Keyword(s):  
Inguinal Hernia ◽  
The Other ◽  
Long Term Results ◽  
Advantages And Disadvantages ◽  
Inguinal Hernias ◽  
Working Age ◽  
Methods Of Treatment ◽  
Difficult Cases ◽  
Minimally Invasive Methods

Introduction. Inguinal hernia is one of the most common diseases and occurs mainly in men of working age. The development of surgery and endoscopic technology made it possible to look at this pathology from the other side and move on to pathogenetically substantiated minimally invasive methods of treatment. The aim of the study. To improve the results of the endohernioplasty in inguinal hernias by improving the techniques and determining the advantages and disadvantages of various options for positioning mesh. Materials and methods. The paper reflects the experience of 203 endovideosurgical allohernioplasty in 161 patients using transabdominal preperitoneal (TAPP) and extraperitoneal techniques (TEP, e-TEP). Results. Intraoperative damage to the sigmoid colon occurred twice with sliding inguinal hernias on the left at the beginning of TAPP, one injury required a laparotomy, the other was eliminated laparoscopically. When performing 55 extraperitoneal hernia repair, there were no complications. Long-term results were traced from 6 to 36 months; no relapses were identified. Conclusion. Due to its advantages, the endovideosurgical technique for the treatment of inguinal hernias is a priority, e-TEP access are easier to learn and can be used even in difficult cases, expanding the surgeon’s capabilities and is the first step to master extraperitoneal approaches to other abdominal hernias.

1212-Molybdo-Cuprates; effect of oxygenation in the structure, properties and electronic states

2014 ◽  
Vol 1655 ◽  
Author(s):  
Sourav Marik ◽  
A. J. Dos santos-Garcia ◽  
Christine Labrugere ◽  
Emilio Morán ◽  
Olivier Toulemonde ◽  
...  
Keyword(s):  
Photoelectron Spectroscopy ◽  
Oxidation Reaction ◽  
Short Range ◽  
Magnetic Measurements ◽  
Electronic States ◽  
The Other ◽  
Superconducting Transition ◽  
X Ray ◽  
Flowing Oxygen ◽  
Structure Properties

ABSTRACTThe influence of oxygenation in the magnetism, superconductivity and electronic states for the Mo0.3Cu0.7Sr2RECu2Oy (RE = Y, Er and Tm) compounds are discussed here. The magnetic measurements on the as-prepared (AP) samples suggest the existence of short-range magnetic correlations due to the presence of the paramagnetic MoV cations in the copper chain site. On the other hand, all the oxygenated samples are not magnetic but superconducting. The high pressure oxygenated sample shows the highest superconducting transition temperature of TC = 84 K. The influence of oxygenation in the electronic states for the Mo0.3Cu0.7Sr2YCu2Oy system associated with an oxidation reaction leading from a non-superconducting to a superconducting state has also been investigated by means of X-ray photoelectron spectroscopy (XPS). XPS measurements show the predominance of the MoV oxidation state over the MoVI one in the AP material; annealing under flowing oxygen enhances both the MoVI and CuII amounts. A detailed study of the electronic states for the Mo0.3Cu0.7Sr2YCu2Oy samples has been performed and is also discussed.

X-ray Structural Analysis of Molten LiF — LiCl System

1987 ◽  
Vol 42 (9) ◽  
pp. 1005-1008
Author(s):  
Yoshihiro Okamoto ◽  
Kazuo Igarashi ◽  
Junichi Mochinaga
Keyword(s):  
Structural Analysis ◽  
Alkali Halide ◽  
Short Range ◽  
Nearest Neighbor ◽  
Ion Pairs ◽  
Diffraction Method ◽  
The Other ◽  
X Ray Diffraction ◽  
X Ray ◽  
The Common

The short range structures of molten LiF - LiCl ( 1 : 2 ) and ( 1 :1 ) mixtures with the common cation were investigated by an X -ray diffraction method and compared with those found in the pure melts and the molten alkali halide mixtures with the common anions. In both the mixtures, the nearest neighbor arrangements of the unlike ion pairs were similar to those in the pure melts. On the other hand, the nearest distances between like ions changed by mixing.

scholarly journals Determining the structure of a benzene7.2-silicalite-1 zeolite using a single-crystal X-ray method

2011 ◽  
Vol 67 (6) ◽  
pp. 508-515 ◽  
Author(s):  
Natsumi Kamiya ◽  
Wataru Iwama ◽  
Tomokazu Kudo ◽  
Tomomi Nasuno ◽  
Shinjiro Fujiyama ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Single Crystals ◽  
The Other ◽  
Straight Channel ◽  
Asymmetric Unit ◽  
Ray Method ◽  
Simple Method ◽  
X Ray ◽  
Heating And Cooling ◽  
Crystallographic Axes

A simple method for preparing orthorhombic single crystals of benzene-silicalite-1 was developed. A silicalite-1 crystal was pressed with a weight of 2 g along the +c and −c crystallographic axes while the temperature was increased to 473 K. The temperature was then slowly reduced to 313 K, and these heating and cooling steps were repeated three times. After the orthorhombic single crystals adsorbed benzene, the crystal structure of the resulting benzene-silicalite-1 was determined. There were two kinds of benzene molecules in the asymmetric unit. One was located at the intersection of the straight channels and the sinusoidal channels with the benzene ring parallel to the ac plane. The other benzene was located in the middle of the straight channel.

MODERN PRINCIPLES OF TREATMENT OF VESICOURETERAL REFLUX IN CHILDREN

2021 ◽  
Vol 100 (4) ◽  
pp. 80-87
Author(s):  
A.G. Burkin ◽  
◽  
S.P. Yatsyk ◽  
S.N. Nikolaev ◽  
E.A. Volodko ◽  
...  
Keyword(s):  
Vesicoureteral Reflux ◽  
Treatment Methods ◽  
Advantages And Disadvantages ◽  
Bulk Forming ◽  
Principles Of Treatment ◽  
Endoscopic Correction ◽  
Antireflux Operations ◽  
Methods Of Treatment

The article presents data on the tactics and methods of treatment of patients with vesicoureteral reflux (VUR). The article examines the most frequently used methods of treatment of VUR in children (surgical antireflux operations, neoimplantation of the ureter, endoscopic correction, methods of introducing bulk-forming substances) in detail, and analyzes the advantages and disadvantages of the described treatment methods.

Nachweis von Inhomogenitäten bzw. Konzentrationsfluktuationen in Schmelzen des Systems Al-In mittels Röntgen-Kleinwinkelstreuung

1975 ◽  
Vol 30 (6-7) ◽  
pp. 775-783
Author(s):  
Jochen Hoehler ◽  
Siegfried Steeb
Keyword(s):  
Correlation Length ◽  
Small Angle ◽  
Short Range ◽  
Short Range Order ◽  
Volume Concentration ◽  
Total Concentration ◽  
Concentration Fluctuations ◽  
The Other ◽  
X Ray Diffraction ◽  
X Ray

Abstract By means of small angle X-ray diffraction work it was revealed that ball-shaped segregated regions with diameters of 8 up to 10 Å exist in molten Al-In alloys. Interpretation of segregated regions as originated by concentration fluctuations shows, according to the method of Ornstein-Zernike, that the correlation length is approximately 3 Å. According to the method of modulation of monotonic Laue scattering, positive values between 0.04 and 0.2 for the coefficient of short range order were obtained. Apparently the melts consist of a matrix with statistical distribution of the atoms of both kinds together with two kinds of ball-shaped segregated regions, one kind containing only Aluminium-, the other only Indium-atoms. A plot showing the variation of volume concentration wAIT of Aluminium regions versus total concentration wT of regions of any kind is given: wT may reach from 0.2 up to 30 vol.-%.

Phase Transformations in Ti-7w/oMo-3w/oMe Alloy

1974 ◽  
Vol 32 ◽  
pp. 514-515
Author(s):  
S. Fujishiro
Keyword(s):  
Electron Microscopy ◽  
Mechanical Properties ◽  
Transmission Electron Microscopy ◽  
Tensile Strength ◽  
Mechanical Processing ◽  
Ray Method ◽  
X Ray ◽  
Transmission Electron ◽  
Water Quench ◽  
Alpha Beta

The mechanical properties of three titanium alloys (Ti-7Mo-3Al, Ti-7Mo- 3Cu and Ti-7Mo-3Ta) were evaluated as function of: 1) Solutionizing in the beta field and aging, 2) Thermal Mechanical Processing in the beta field and aging, 3) Solutionizing in the alpha + beta field and aging. The samples were isothermally aged in the temperature range 300° to 700*C for 4 to 24 hours, followed by a water quench. Transmission electron microscopy and X-ray method were used to identify the phase formed. All three alloys solutionized at 1050°C (beta field) transformed to martensitic alpha (alpha prime) upon being water quenched. Despite this heavily strained alpha prime, which is characterized by microtwins the tensile strength of the as-quenched alloys is relatively low and the elongation is as high as 30%.

Microchemical imaging in biomedical research

1992 ◽  
Vol 50 (2) ◽  
pp. 1118-1119
Author(s):  
P. Ingram
Keyword(s):  
Data Analysis ◽  
Electron Probe ◽  
The Other ◽  
X Ray ◽  
Cell Element ◽  
Physiological Information ◽  
Functional States ◽  
Elemental Maps ◽  
Electron Energy Loss ◽  
Secondary Ion

It is well established that unique physiological information can be obtained by rapidly freezing cells in various functional states and analyzing the cell element content and distribution by electron probe x-ray microanalysis. (The other techniques of microanalysis that are amenable to imaging, such as electron energy loss spectroscopy, secondary ion mass spectroscopy, particle induced x-ray emission etc., are not addressed in this tutorial.) However, the usual processes of data acquisition are labor intensive and lengthy, requiring that x-ray counts be collected from individually selected regions of each cell in question and that data analysis be performed subsequent to data collection. A judicious combination of quantitative elemental maps and static raster probes adds not only an additional overall perception of what is occurring during a particular biological manipulation or event, but substantially increases data productivity. Recent advances in microcomputer instrumentation and software have made readily feasible the acquisition and processing of digital quantitative x-ray maps of one to several cells.

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