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世界医学杂志 1999年第7期3卷 43-44页

作者： haig.,ls

Why do we have so much trouble treating anal fistula?

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World Journal of Gastroenterology 2011年第28期17卷 3292-3296页

作者： haig.Dudukgian Herand Abcarian Department of Colorectal Surgery John Stroger Hospital of Cook County Department of Surgery University of Illinois Chicago

Anal fistula is among the most common illnesses affecting *** literature dating back to 400 BC has discussed this *** causative factors have been proposed throughout the centuries,but it appears that the majority of fistulas unrelated to specific causes (***,Crohn’s disease) result from infection (abscess) in anal glands extending from the intersphincteric plane to various anorectal *** tubular structure of an anal fistula easily yields itself to division or unroofing (fistulotomy) or excision (fistulectomy) in most *** problem with this single,yet effective,treatment plan is that depending on the thickness of sphincter muscle the fistula transgresses,the patient will have varying degrees of fecal incontinence from minor to *** an attempt to preserve continence,various procedures have been proposed to deal with the *** include: (1) simple drainage (Seton);(2) closure of fistula tract using fibrin sealant or anal fistula plug;(3) closure of primary opening using endorectal or dermal flaps,and more recently;and (4) ligation of intersphincteric fistula tract (LIFT).In most complex cases (***’s disease),a proximal fecal diversion offers a measure of symptom-atic *** fact remains that an "ideal" procedure for anal fistula remains *** failure of each sphincter-preserving procedure (30%-50% recurrence) often results in multiple *** essence,the price of preservation of continence at all cost is multiple and often different operations,prolonged disability and disappointment for the patient and the ***,the surgeon treating anal fistulas on an occasional basis should never hesitate in referring the patient to a ***,an expert colorectal surgeon must be familiar with many different operations in order to selectively tailor an operation to the individual patient.

关键词： Fistula Abscess Fibrin sealant Anal fistula plug Dermal advancement flap Endorectal flap Ligation of intersphincteric fistula tract procedure

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化学气相沉积碳化硅

光电子技术与信息 1992年第3期5卷 17-19页

作者： haig.,WR 静音

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北美马鹿冷冻精液与赤鹿的人工授精试验

国外特种经济动植物 1993年第2期 14-16页

作者： haig.,JC 王大川

FINITE ELEMENT ANALYSIS OF A LOCAL EXPONENTIALLYFITTED SCHEME FOR TIME-DEPENDENTCONVECTION-DIFFUSION PROBLEMS

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Journal of Computational Mathematics 1999年第3期17卷 225-232页

作者： Yue, XY Jiang, ls Shih, TM Suzhou Univ Dept Math Suzhou 215006 Peoples R China Tongji Univ Inst Math Shanghai 200092 Peoples R China Hong Kong Polytech Univ Dept Appl Math Hong Kong Hong Kong

In [16], Stynes and O' Riordan(91) introduced a local exponentially fitted finite element (FE) scheme for a singularly perturbed two-point boundary value problem without turning-point. An E-uniform h(1/2)-order accuracy was obtain for the epsilon-weighted energy norm. And this uniform order is known as an optimal one for global exponentially fitted FE schemes (see [6, 7, 12]). In present paper, this scheme is used to a parabolic singularly perturbed problem. After some subtle analysis, a uniformly in epsilon convergent order h\ln h\(1/2) + tau is achieved (h is the space step and tau is the time step), which sharpens the results in present literature. Furthermore, it implies that the accuracy order in [16] is actuallay h\ln h\(1/2) rather than h(1/2).

关键词： singularly perturbed exponentially fitted uniformly in epsilon convergent Petrov-Galerkin finite element method

Irritable bowel syndrome:A clinical review

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World Journal of Gastroenterology 2014年第34期20卷 12144-12160页

作者： Rosa ls Soares Internal Medicine Department Faculty of MedicineFederal Fluminense UniversityRio de Janeiro 24030-210Brazil

Irritable bowel syndrome (IBS) remains a clinical challenge in the 21st century. It’s the most commonly diagnosed gastrointestinal condition and also the most common reason for referral to gastroenterology clinics. Its can affect up to one in five people at some point in their lives, and has a significantly impact of life quality and health care utilization. The prevalence varies according to country and criteria used to define IBS. Various mechanisms and theories have been proposed about its etiology, but the biopsychosocial model is the most currently accepted for IBS. The complex of symptoms would be the result of the interaction between psychological, behavioral, psychosocial and environmental factors. The diagnosis of IBS is not confirmed by a specific test or structural abnormality. It is made using criteria based on clinical symptoms such as Rome criteria, unless the symptoms are thought to be atypical. Today the Rome Criteria III is the current gold-standard for the diagnoses of IBS. Secure positive evidence of IBS by means of specific disease marker is currently not possible and cannot be currently recommended for routine diagnosis. There is still no clinical evidence to recommend the use of biomarkers in blood to diagnose IBS. However, a number of different changes in IBS patients were demonstrated in recent years, some of which can be used in the future as a diagnostic support. IBS has no definitive treatment but could be controlled by non-pharmacologic management eliminating of some exacerbating factors such certain drugs, stressor conditions and changes in dietary *** traditional pharmacologic management of IBS has been symptom based and several drugs have been used. However, the cornerstone of its therapy is a solid patient physician relationship. This review will provide a summary of pathophysiology, diagnostic criteria and current and emerging therapies for IBS.

关键词： Irritable bowel syndrome Clinical review Pathogenesis Diagnostic Treatment Biopsychosocial model

Low Temperature Deposition of Titanium Nitride

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Journal of Materials Science & Technology 1998年第4期14卷 289-293页

作者： Wen, ls Huang, RF Chinese Acad Sci Inst Met Res Shenyang 110015 Peoples R China

Low temperature deposition (LTD) is an actual frontier in materials sicence and engineering, especially for thin film technology. In this paper the fundamentals and processing of low temperature deposition of TiN coating are reviewed. The prerequisites of a low temperature deposition process are enough good densification, hardness and adhesion of the deposited coating. The fundamentals of low temperature deposition are structure zone model and nonequilibrium plasma vapor growth in a combined DC and pulsed electromagnetic fields, namely a combination of a DC bias voltage superimposed by a DC pulsed bias voltage with variable frequency and peak voltage height. Low temperature deposition processing can be realized simply with only stationary electric fields. However, sensitivity of the product quality to the process parameters is the main barrier of this processing in the way to mass production. Low temperature deposition processing using the effects of a combined DC and pulsed electromagnetic fields has attained some promising results for the future commercialization. But they need still further systematic and deep study. The application of low temperature deposition processing is not limited in range of low melting substrate materials. It is also important for internal stress control, defect minimization, microstructure densification and performance improvement for coatings on broad spectrum of substrate materials as well as for different types of applications.

关键词： PUlsE BIAS VOLTAGE RESIDUAL-STRESS ION-BOMBARDMENT HARD COATINGS PVD COATINGS FILM GROWTH TIN ARC RESISTANCE SUBSTRATE

Botulinum toxin augmented bilateral lateral rectus recession versus three muscles surgery in large-angle intermittent exotropia

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International Journal of Ophthalmology(English edition) 2022年第10期15卷 1665-1670页

作者： Hala Kamal Mattout Sameh Mosaad Fouda Wael M El-haig Department of Ophthalmology Faculty of MedicineZagazig UniversityZagazig 44519Egypt

AIM: To report the surgical outcomes of correcting large angle intermittent exotropia in adult patients by bilateral lateral rectus muscle recession with intraoperative use of botulinum toxin and to compare the results with those of bilateral lateral rectus muscle recession and unilateral medial rectus resection. METHODS: The medical records of patients who underwent surgical correction of large angle intermittent exotropia [exotropia >50 prism dioptre(PD)] were retrospectively reviewed. Two groups of patients were identified;Group Ⅰ(21 patients) had bilateral lateral recti recession augmented with intraoperative botulinum toxin A(BTA) injection into the recessed muscles and group Ⅱ(30 patients) were treated by bilateral lateral recti recession with unilateral medial rectus muscle resection. Preoperative data were extracted for age, gender, refraction, type of exotropia, angle of stereopsis and angle of deviation. The main outcome measures were the postoperative angle of deviation and stereoacuity angle by Titmus test measured at the end of one year of postoperative follow up. RESULTS: By the end of the first postoperative year, 10 patients in group Ⅰ(47.6%) and 20 patients in group Ⅱ(66.7%) achieved esotropia/esophoria <5 PD or exotropia/exophoria <10 PD. The difference in surgical success rate was not statistically significant(P=0.1) but there was a statistically significant higher rate of undercorrection in group Ⅰ(P=0.03). On the other hand, 3 patients in group Ⅰ(14.3%) and 5 patients in group Ⅱ(16.7%) had improved stereopsis;this difference in the sensory outcome was not statistically significant(P=0.8). In the BTA augmented surgery group, good stereoacuity and smaller preoperative angle of deviation were associated with significantly higher surgical success rate(P=0.004, 0.01 respectively). CONCLUSION: BTA augmented bilateral lateral recti recession is associated with higher rate of undercorrection as compared to bilateral lateral recti recession with unilater

关键词： botulinum toxin intermittent exotropia large angle deviation augmented surgery

A Safe and Brief Way for Preparing Anhydrous LnCl_3 (Ln=Sc, Y, La to Lu)

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Rare Metals 2000年第2期19卷 157-161,152页

作者： Li, Y Wang, ls Wang, YH Department of Chemistry Northeastern University Shenyang 110006 China

Anhydrous lanthanide chlorides LnCl 3 (Ln=Sc, Y, La to Lu except for Pm), which are difficult to prepare in other ways, were prepared by chemical vapor transport (CVT) process. Rare earth oxide reacted with Al 2Cl 6 at 300℃ to produce LnCl 3, which was then separated from other solids by means of CVT at a temperature gradient from 400 to 180℃. Residual Al 2Cl 6 (g) was removed by carrier of dry N 2 gas at 200℃. The yielding rates were >90%, and the purity of products was >99.5%.

关键词： Anhydrous lanthanide chlorides AlCl 3 Chemical vapor transport

A Calculation Method for Incidence and Reflection of Irregular Waves Along Seawalls

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China Ocean Engineering 1997年第3期12卷 305-314页

作者： Zhu, ls Sui, SF Chinese Acad Sci S China Sea Inst Oceanol Guangzhou 510301 Peoples R China

Some researches have been made in this aspect. In the method by Walton Jr.(1992), incident waves are supposed to be the overlapping result of M component waves with different frequencies which may take different directions, the direction of incident waves should be available in advance, but in fact the direction of incident waves is not available. In our study, incident waves are supposed to be composed of M overlapping component waves with different frequencies, and different frequencies have different directions. Based on the irregular wave reflection theory, the calculation formulas of wave direction, complex amplitude of incident waves, and complex amplitude of reflected waves in surface which are composed of component waves are derived by means of discrete Fourier transform. Then, the frequency spectra of incident waves and reflected waves and the reflection coefficient of waves with corresponding frequencies are obtained. Verification of the method and the calculation results from in-situ measured data indicate that the method is reliable and highly accurate.

关键词： irregular wave seawall incidence and reflection calculation method