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骨质疏松症:诊断和治疗

现代临床医学生物工程学杂志 1996年第4期2卷 309-310页

作者： JOSEPH.m.lane EDWARD H.RILEY PHILIP Z.WIRGANOWICZ

维生素D：有许多激素直接影响骨代谢，维生豢D是其中主要的一种．它是钙代谢中起关键作用的一种类固醇激素．维生素D是在皮肤受到紫外线照射时由7-脱氢胆固醇转变而成．维生素D的前体首先在肝脏转化为25～羟维生素D，然后在甲状旁腺激... 详细信息

维生素D：有许多激素直接影响骨代谢，维生豢D是其中主要的一种．它是钙代谢中起关键作用的一种类固醇激素．维生素D是在皮肤受到紫外线照射时由7-脱氢胆固醇转变而成．维生素D的前体首先在肝脏转化为25～羟维生素D，然后在甲状旁腺激素作用下在肾脏进一步羟化成为1。

关键词：骨质疏松症诊断治疗维生素D 甲状旁腺激素骨代谢类固醇激素钙代谢前体

A BACK PROPAGATION ESTImATOR FOR NONLINEAR RATIONAL mODELS

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A BACK PROPAGATION ESTIMATOR FOR NONLINEAR RATIONAL MODELS

第二十届中国控制会议

作者： Q. m. Zhu Faculty of Engineering, University of the West of England, Frenchay Campus, Coldharbour lane, Bristol, BS16 1QY, UK.

＜正＞In this study an error back propagation （BP） parameter estimation algorithm is derived for a class of non-linear dynamic rational models. A simulated example is used to illustrate the efficiency of the algorithm.

关键词： Non-linear rational models parameter esdmation back propagation computation.

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对于选择蛋氨酸活性源的研究

中国饲料 1993年第1期 44-45页

作者： E.E.m.pierson J.J.Dibner C.D.Knight R.A.Swick 李美同

天然的和人工合成的蛋氨酸活性源为经济地满足动物对蛋氨酸的需要,必须明白氨基酸是如何提供和代谢的。蛋氨酸是靠日粮中天然的和人工合成的配合提供的。以液态或固态有效添加剂形式供应的合成蛋氨酸活性物质有:D,L—2—羟基—4—(甲硫... 详细信息

天然的和人工合成的蛋氨酸活性源为经济地满足动物对蛋氨酸的需要,必须明白氨基酸是如何提供和代谢的。蛋氨酸是靠日粮中天然的和人工合成的配合提供的。以液态或固态有效添加剂形式供应的合成蛋氨酸活性物质有:D,L—2—羟基—4—(甲硫基)丁基(HmB)酸(Alimet^B,液态)或其钙盐(mHA^R,固态),或D,L—2—氨基—4—(甲硫基)丁酸(固态D,L—蛋氨酸,DLm)或液体蛋氨酸钠盐。

关键词：饲料蛋氨酸来源

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对于选择蛋氨酸活性源的研究(续)

中国饲料 1993年第2期 41-44页

作者： E.E.m.pierson ,J.J.Dibner ,C.D.Knight ,R.A.Swick ,李美同

HmB利用率体外法考察体外法消化大分子的消化水解作用需要足够数量的酶,酶的多种来源包括胰腺泡、肝脏和肠道的上皮细胞。由于HmB的溶液Alimet是作为单体、二聚体和多聚体混合物存在的,就要求用实验证实这些存在的形式能否作为蛋氨酸活... 详细信息

HmB利用率体外法考察体外法消化大分子的消化水解作用需要足够数量的酶,酶的多种来源包括胰腺泡、肝脏和肠道的上皮细胞。由于HmB的溶液Alimet是作为单体、二聚体和多聚体混合物存在的,就要求用实验证实这些存在的形式能否作为蛋氨酸活性源。图7表示离体法肠组织实验的结果。此结果表明98％的二聚体水解成单体。用放谢性标记的HmB多聚体的实验也证实,在此体系中可有效地水解成单聚体。

关键词： DLm 蛋氨酸相对生物效能肉鸡生产 HmB 结合作用日粮类型氨基化实验结果体外法生产性能酮式

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对于选择蛋氨酸活性源的研究(续)

中国饲料 1993年第3期 42-44页

作者： E.E.m.pierson J.J.Dibner C.D.Knight R.A.Swick 李美同

关键词：肉用鸡饲料蛋氨酸

Leptospirosis: A clinical review of evidence based diagnosis, treatment and prevention

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World Journal of Clinical Infectious Diseases 2016年第4期6卷 61-66页

作者： Alison B lane michael m Dore Walter Reed National military medical Center Department of medicine Naval Hospital Guam

Leptospirosis is a zoonotic disease with worldwide distribution and increasing prevalence. Infection is caused by the spirochete Leptospira, with common exposure being contaminated fresh water. most infections are asymptomatic, but symptoms range from a mild, self-limiting, non-specific febrile illness to fulminant respiratory and renal failure with a high mortality rate. The combination of jaundice, renal failure, and hemorrhage is known as Weil's disease and is the most characteristic pattern associated with severe leptospirosis. Clinical suspicion alone may be enough to warrant empiric antibiotic treatment in many cases. Serological methods are the most commonly used means of confirming a diagnosis of leptospirosis. The "gold standard" is the microscopic agglutination test. Typical treatment for mild causes is oral doxycycline, though azithromycin and oral penicillins are reasonable alternatives. Intravenous penicillin G has long been the standard of care for severe cases though limited studies show no benefit compared to third generation cephalosporins. We review the clinical presentation, diagnosis, treatment and prevention of leptospirosis.

关键词： Leptospirosis Tropical diseases Infectious disease

Stellar Structure model in the Post-Newtonian Approximation

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Research in Astronomy and Astrophysics 2022年第12期22卷 232-238页

作者： Gilberto m.Kremer Departamento de Física Universidade Federal do ParanáCuritiba 81531Brazil

In this work the influence of the post-Newtonian corrections to the equations of stellar structure are *** post-Newtonian lane-Emden equation follows from the corresponding momentum density balance *** a polytropic equation of state the solutions of the lane-Emden equations in the Newtonian and post-Newtonian theories are determined and the physical quantities for the Sun,the white dwarf Sirius B and neutron stars with masses m■1.4 m_(⊙),1.8 m_(⊙)and 2.0 m_(⊙)are *** is shown that the post-Newtonian corrections to the fields of mass density,pressure and temperature are negligible for the Sun and Sirius B,but for stars with strong fields the differences become *** the neutron stars analyzed here the central pressure and the central temperature which follow from the post-Newtonian lane-Emden equation are about fifty to sixty percent greater than those of the Newtonian theory and the central mass density is about three to four percent smaller.

关键词： stars:neutron stars:fundamental parameters hydrodynamics

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利用茎尖分生组织繁殖苹果植株

烟台果树 1983年第4期 42-43+26页

作者： W·David lane 罗国光加拿大夏蒂农业研究所北京农业大学

概要苹果（malus domesfica Bor—kh）植株可由植入培养基中的茎尖分生组织再生,经移植而繁殖。茎尖分生组织外植体初期的生长和发育,仅仅要求培养基含有 BA（苄基腺嘌呤）,最适浓度为5×10-6m。移植后,可高频率地生产再生枝条。使用 N... 详细信息

概要苹果（malus domesfica Bor—kh）植株可由植入培养基中的茎尖分生组织再生,经移植而繁殖。茎尖分生组织外植体初期的生长和发育,仅仅要求培养基含有 BA（苄基腺嘌呤）,最适浓度为5×10-6m。移植后,可高频率地生产再生枝条。使用 NAA 浓度为10-5m 的培养基

关键词：分生组织外植体茎尖培养苹果植株嫩梢增殖

促性腺激素刺激证实其对体外受精结局产生最大效应

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世界核心医学期刊文摘（妇产科学分册） 2006年第10期2卷 26-27页

作者： lane D.E. Vittinghoff E. Croughan m.S. 党慧敏 Department of Obstetrics Gynecology and Reproductive Sciences University of California San Francisco CA United States Dr.

Objective: To determine the effect of number of oocytes retrieved and number of 2PN embryos developed on in vitro fertilization(IVF) outcomes. Design: Retrospective data analysis. Setting: University practice. Patient(s): Reproductive-aged women(n=467). Intervention(s): First fresh nondonor cycle of IVF. main Outcome measure(s): Clinical pregnancy rate. Result(s): Clinical pregnancy rates increase until age 30(odds ratio(OR) 1.72 per year(95%confidence interval 1.19-2.49)) before demonstrating a linear decline. In subjectsmaximal clinical pregnancy rates are seen when 20 oocytes were retrieved(OR1.03(0.96-1.11)),five 2-pronuclei(2PN) embryos developed(OR 1.91(1.29-2.87)), and nomore than two embryos transfered(OR 0.72(0.56-0.92)-for each additional embryo transferred >2). In subjects ≥37 years old, maximum clinical pregnancy rates were achieved in subjects who had ten oocytes retrieved(OR 1.09(1.01-1.18)), 20 2PN embryos developed(OR 1.29(1.03-1.62)), and no more than two embryos transfered(OR 0.72(0.56-0.92) for each additional embryo transferred >2). Conclusion(s): The odds of achieving a successful clinical pregnancy with IVF are greatest with retrieval of approximately 20 oocytes, transfer of no more than 2 embryos, and the development of about five 2PN embryos in womenmbryos in women ≥37 years old.

关键词：体外受精促性腺激素最大效应临床妊娠率卵母细胞供卵育龄期大学医院数据分析