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(31) The 49 th Denver Annual X ray Conference is overviewed in this paper.

(32) For each bone X ray image, the distance from its features to the two prototypes in feature space is computed to provide an objective judgement on the degree of osteoporosis.

(33) The welding quality of sheathed thermocouples was investigated by X ray testing. The design of penetrometer, the testing method, and the testing results were introduced.

(34) X ray features included comose symmetry periosteum in limb, skeleton great, normal marrow and joint.

(35) Objective To study the X ray and MRI features of pulmonary hydatid disease.

(36) This paper deals with the trouble analysis and clearance of the electric circuit for the crystal change and low voltage alarm system of 3080E3 X Ray fluorescence spectrometer.

(37) Results Femoral shaft edges were obtained from both frontal and lateral X ray images successfully, and then datum line was se...

(38) It is almost the case that each X ray source exhibits its own brand of variability.

(39) Chest X ray realed infiltration in low lobes of lungs.

(40) Before operation, most cases were misdiagnosed as hamartoma, tuberculoma and lung cancer by chest X ray (80%).

(41) Methods Physical , X ray and cytologic examination and infrared light scan were performed in mass survey.

(42) Methods: Body composition was measured with dual energy X ray absorptiometry ( DXA ).

(43) The structure and the magneto-electrical properties of the thin film are investigated using X ray diffractometer , super-conducting quantum interference device and DC four-probe method.

(44) X ray diffraction analysis indicated that the materials prepared were single solid solution with layered structure.

(45) Objective To evaluate the feasibility of auxiliary orientation by X ray with an oblique angle in percutaneous nephrolithotomy (PCNL).

(46) Materials and Methods:15 cases of brucellar spondylitis and 17 spinal tuberculosis with confirmed clinical and positive X ray were examined by CT.

(47) Objective To establish femoral shaft datum line based on frontal and lateral X ray images.

(48) The effect of Si on the crystal lattice parameters[sentencedict.com], lattice volume and crystal defects of the eutectic cementite in malleable cast iron has been studied by using X ray diffractometer and TEM.

(49) By calculating and analysing the process of material radiated by pulsed X ray a numerical model that calculates the blowoff impulse generated in solid material by pulsed X ray radiation is given.

(50) The relation between the optics density of the X ray and the output information voltage of micro densimeter is investigated.

(51) Methods: 98 elder patients are checked with MSCT and X ray. The cross section and each intervertebral disk section are reconstructed by MPR. Use SSD and VRT to reconstruct three-dimensional picture.

(52) The clay minerals in 65 surface sediment samples from the Changjiang River subaqueous delta were analyzed by using X ray diffraction (XRD) analysis technique.

(53) The structure and cathodoluminescence properties were studied by the X ray diffraction (XRD) and the cathode ray excitation.

(54) In a three dimensional X ray coded imaging system(Sentence dictionary), it is effective method to reduce the reduplicate noise of a certain layer image for enhancing the signal noise rate.

(55) Results The shielding efficacy was 95% by the lead glass and plumbic suit double protection, the X ray radiation was reduced markedly.

(56) Localization of activity of immobilized penicillin G acylase was studied by X ray microanalysis.

(57) Glass microspheres doped with rare earth elements were prepared and characterized by powder X ray diffraction (XRD), scanning electron microcopy (SEM), and Raman spectrum and so on.

(58) Synthesises eighteen kinds of cinnamylidene acetophenone derivatives and discusses their properties of IR, UV, photoacoustic spectrum , X ray diffraction and second harmonic generation (SHG).

(59) Conclusion: Both examination methods are suitable for diagnosis esophageal hiatus hernia, X ray is the modality of first choice.

(60) Methods:Collected 96 cases of esophageal hiatal hernia in our hospital clinical and X ray data.