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 The Protection of Phosphocreatine on the Function of Rat of Myocardial Hypertrophy and Heart Failure 磷酸肌酸对心肌肥厚及心力衰竭大鼠心肌的保护作用 短句来源 Clinical Study on Intracoronary Autologous Bone Marrow Mononuclear Cells Transplantation on the Cardiac Function in Patients with Anterior-wall Myocardial Infarction 经冠状动脉自体骨髓单个核细胞移植治疗前壁心肌梗死后心功能不全的临床研究 短句来源 STUDY OF CULTURE OF BONE MARROW GM-CFU-C FROM 110 INDIVIDUALS WITH NORMAL HEMOPOIETIC FUNCTION 110例人骨髓粒-巨噬祖细胞的培养结果与影响因素 短句来源 Multi-variate Stepwise Discriminant Analysis Research Affecting Portal Hypertension's Grade Factors of Liver Function Multi－variate　Stepwise　Discriminant　Analysis　Research　Affecting　Portal　Hypertension＇s　Grade　Factors　of　Liver　Function 短句来源 Changes of gonadal function after allogeneic bone marrowtransplantation 白血病患者异基因骨髓移植后性激素含量的变化 短句来源 更多

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 Simple modules over the multiparameter quantum function algebra at roots of 1 We construct essentially all the irreducible modules for the multiparameter quantum function algebraF?φ[G], whereG is a simple simply connected complex algebraic group, and ? is a root of unity. Virasoro Algebra, Dedekind η-function and Specialized Macdonald Identities We study Nekrasov's deformed partition function $Z(\varepsilon_1,\varepsilon_2,\vec{a};\mathfrak q,\boldsymbol\beta)$ of 5-dimensional supersymmetric This is done by reducing the problem to the case of bipartite quivers of a special form and using a function DP on three matrices, which is a mixture of the determinant and two pfaffians. 更多
 In this article, described the changes of pulmonary rheography in 289 young healthy subjects, living as temporal residents at high altitudes of 2,800 m. and 4,500 m. above sea level respectively. There were 50 normal subjects of sea level group served as control. The preliminary results showed that changes of pulmonary rheohraphy, in subjects at 2,800 m. both in cases of taking light as well as heavy physical labour, were less marked than those in subjects at 4,500 m. In the latter, the profound changes in comparison... In this article, described the changes of pulmonary rheography in 289 young healthy subjects, living as temporal residents at high altitudes of 2,800 m. and 4,500 m. above sea level respectively. There were 50 normal subjects of sea level group served as control. The preliminary results showed that changes of pulmonary rheohraphy, in subjects at 2,800 m. both in cases of taking light as well as heavy physical labour, were less marked than those in subjects at 4,500 m. In the latter, the profound changes in comparison with control, such as. prolongation of Q-a interval, shortening of time of slow ejection, reduction of the maximal rate of rapid filling and amplitude of systolic wave, revealed an increase in pulmonary vascular resistance and pulmonary arterial pressure and reduction of stroke volume as well as the ejection function of right ventricle (P<0.00l) . The above mentioned changes corresponded to that of UCG. All tested subjects had no clinical sign of mountain inadaptation at rest, but the changes in the heavy labouring group were much prominent than that of the light labouring qroup. Our findings supported'the hypothesis of adaptation as the adaptive cardio-pul-monary changes favored a more sufficient oxygenation of blood against the hypoxic state. This indirect method of pulmonary rheography was so simple, secure and benefical that it would be helpful to clinicians in dealing with the diagnosis and therapeutic evaluation of mountain cardio-vascular diseases. 在海拔80米、2800米、4500～4600米检测了289名从事不同劳动强度的男性健康青年的肺血流图。在海拔2800米肺血流图无明显变化,4500～4600米的肺血流图图形和各参数值均有显著改变。这说明在高海拔地区肺血管阻力增大,肺动脉压增加,每搏心输出量减少。重体力劳动者比轻体力劳动者变化明显。 海拔2800米心电向量图和心电图诊断为右心室肥厚者,肺循环未引起明显改变,其发生肥厚原因似以心外因素为主。在高海拔地区肺血流图对高原缺氧反应比心电向量图和心电图敏感。 目前心导管技术在高原条件下较难广泛使用。肺血流图方法敏感、简便、安全能重复检查,可协助临床医生判断在高原缺氧条件下肺循环机能状态和肺动脉压的变化。 The effect of high altitude on the left ventriclar function has been observed on 78 high altitude temporary residents at 4,800m. and 2,800 m. above sea level. 38 individuals at sea level were taken as control. Systolic time intervals were determined by the method of simultaneous recording of electrocardiogram, phonocardiogram and external carotid pulse tracing. A prolonged pre-ejection period, pre-ejection period/left ventricular ejection time ratio and a shortened left ventricular ejection time were noted... The effect of high altitude on the left ventriclar function has been observed on 78 high altitude temporary residents at 4,800m. and 2,800 m. above sea level. 38 individuals at sea level were taken as control. Systolic time intervals were determined by the method of simultaneous recording of electrocardiogram, phonocardiogram and external carotid pulse tracing. A prolonged pre-ejection period, pre-ejection period/left ventricular ejection time ratio and a shortened left ventricular ejection time were noted in the 4,800 m.group and the 2,800 m.group, yet the total electromechanical systolic time of both groups remained unchanged. The alterations in systolic time intervals werethe associated with the stroke volume, determined by echocardiogr-aphy.No difference was observed between the heart rates of the high altitude residents and that of the control.It seems that an increased afterload and a decreased preload of the left ventricle are presumably concerned with the increased pre-ejection period/ left ventricalar ejection time ratio. 为了解高原对左室功能的影响,在海拔4500米和2800米地区对移居者作了心脏收缩间期(STI)的测定。结果表明,移居者与平原对照组相比,心率无显著差别,而射血前期(PEP)延长,左室射血时间(LVET)缩短,射血前期与左室射血时间的比值(PEP/LVET)增大,总电机械收缩期(QS_2)则无明显改变。推测STI的改变与左室前负荷的减小及后负荷的增大有关。 The response of breathing 40% oxygen was studied in 32 temporary residents diagnosed right ventricular hypertrophy ( RVH ) or doubtful ( RVH) by VCG at an altitude of 4,500m.Before and after administration of oxygen for 10-15 min., clinical auscultation, indirect measuring of pulmonary systolic pressure, pulmonary rheography and VCG were determined. The results showed that after breathing oxygen all parameters reflecting pulmonary vascular resistance and pulmonary arterial pressure decreased obviously, showing... The response of breathing 40% oxygen was studied in 32 temporary residents diagnosed right ventricular hypertrophy ( RVH ) or doubtful ( RVH) by VCG at an altitude of 4,500m.Before and after administration of oxygen for 10-15 min., clinical auscultation, indirect measuring of pulmonary systolic pressure, pulmonary rheography and VCG were determined. The results showed that after breathing oxygen all parameters reflecting pulmonary vascular resistance and pulmonary arterial pressure decreased obviously, showing statistical significance ( p<0.001 ) . These data suggested that the main factor responsible for the increase in pulmonary arteriolar resistance of temporary residents was hypoxic vasoconstriction which could be reversed by oxygen breathing. It seemed that pulmonary arteriolar changes of altitude resident were functional in nature. Oxygen breathing had no influence upon the results of VCG. Oxygen test and indirect parameters mentioned above could be introduced to physicians to evaluate the pulmonary vascular function as well as the adaptability of temporary residents at high altitude. 作者在海拨4500米高度观察32例经心电向量图诊断为右心室肥厚或可疑右室厚者对吸氧试验的反应,检查了他们在吸氧(40％)前后心电向量图、心脏听诊、间接测算肺动脉收缩压和肺血流图的变化。结果看到,吸氧后有关指标的变化均反映肺血管阻力和肺动脉压明显下降,说明低氧所引起的肺血管收缩在短暂吸氧后立即缓解,移居者的肺血管收缩可能主要属于功能性改变。心电向量图的改变是肺动脉压升高造成右心负荷增加的结果,短暂吸氧不能引起它的改善。 << 更多相关文摘
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