| 词汇 | example_english_valve |
| 释义 | Examples of valveThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. In life the tellin would have had two valves, but only one is preserved here. The single valves are preserved in a fine-grained limestone. There was no neonate with regurgitation involving four valves. Bioprosthetic valves have a strong tendency to calcify in children. At this stage, the wider curved end of the baffle is brought down onto the remnant of the atrial septum between the atrioventricular valves. Abnormalities of the coronary circulation were not apparent grossly in the specimens with hypertrophied right ventricular myocardium and imperforate pulmonary valves. Five patients (63%) among those without carditis had abnormal findings of their mitral valves. Failures of prosthetic valves caused the largest number ofreinterventions. The arterial valves also have a complex anatomic arrangement involving interaction of the sinuses of the arterial trunks with the supporting ventricular structures. Fifty-five cases having acute lesions, and 38 of those with chronic lesions suffered involvement of all cardiac valves. Small vegetations were observed on both the atrioventricular and arterial valves. The duration of the regurgitant flow varied but in no valves did it occupy the whole systole or diastole. Eustachian valves were examined from the parasternal short axis, apical four-chamber, and subcostal sagittal and coronal views. The cylinders and the swing motor are activated by means of pressure and flow through the main valves. In general, the planner cannot solve flow goals that require two or more valves to be operated. Defects can also extend to be bordered by fibrous continuity between the arterial valves. Evaluation of the anatomy of congenitally malformed aortic valves by orifice-view aortography. There is no fibrous continuity between the tricuspid and the arterial valves. An interesting idea from this work is that valves should have a default state; most valves in the plant default to closed. Modulation of the oil flow in the main valves is presently controlled by the pilot oil pressure through manually operated pilot control valves. Indeed, the pressure regulation within the valves should achieve this. The electro-pneumatic valves have within them analogue circuitry that regulates the output pressure to be proportional to input voltage. In the heart, tissue cysts were in the pericardium, myocardium, endocardium and in the mitral valves. Backing pressure in the valves was 10 bar. The cases offer evidence that large standard data models can suppor t routine analyses for control valves. The other two patients, both aged 16, had previously unknown bicuspid aortic valves. Two of them had parachute valves and one developed grade 2 mitral regurgitation. Successful transcatheter closure of ventricular septal defects with retrievable coils is feasible even in close proximity to cardiac valves. Thus, to date, the real prevalence of bifoliate aortic valves has not been established. Most bifoliate valves, however, are not stenotic at birth. The ventricular dimensions and function, and all cardiac valves, were normal. Within the next 3 years, four more valves were replaced because of severe regurgitation. In some cases of complete transposition, both arterial valves are supported by complete muscular infundibulums. We looked for associated lesions in all the 13 hearts with bifoliate aortic valves. In the third group, with two valves, the raphes reached to the mid point of the conjoined leaflet. By contrast isolated bifoliate aortic valves are much more common. The remaining 18 (22.2%) specimens revealed aortic valves with two leaflets arranged in ventrodorsal orientation. The timing of its measurement should be standardized in regard to selection of the appropriate sized balloons for dilating stenotic pulmonary valves. There is continuity of the leaflets of the aortic and pulmonary valves because of absence of the outlet septum. Administration and consultation areas would adopt a radiator-based space heating solution with thermostatic valves for localized control and energy efficiency. Two bioprosthetic valves required replacement 1 and 10 years after implantation. The degree of dysplasia was least in the valves with two leaflets and highest in those with four leaflets. Two of these patients had evidence of damaged valves, without evidence of active endocarditis. Moreover, we suppose that hearts with unicommissural aortic valves and bicommissural aortic valves constitute two morphogenetically different entities. Given the challenges associated with mechanical valves, bioprosthetic or tissue valves may be preferable due to their lower thrombotic risks. Further improvement was sometimes achieved by trial-and-error adjustment of the valves controlling the oil pressures in the hydraulic system. The aim of initial investigations therefore is to identify the group of infants at greatest risk - principally boys with urethral valves or severe primary reflux. Still, it is questionable whether the doses were high enough and whether the differential thrombogenecity of the valves was taken into account. Cambriid with markedly postplete valves, adult carapace (dorsal shield) c. 6-7 mm long. Complete valves of ostracodes, or their large identifiable fragments were counted as specimens in a representative part of the 1-0.5 mm fraction. Echocardiography is the ideal investigation as information can be obtained about cardiac valves as well as ventricular function. Obviously the more valves used the higher the electric power consumption, the price and also the weight will be. The morphology of the hearts with unicommisural and bicommissural aortic valves differs remarkably, likewise their clinical presentation. However, small electrohydraulic valves with a high degree of precision are much more expensive and less reliable than powerful electrical amplifiers and controllers. Prenatally detected posterior urethral valves: is gestational age at detection a predictor of outcome? Increased risk because of arrhythmias, sluggish blood flow in abnormal circulation and metallic prosthetic valves. In the past, we have referred to this area between the off-set hinges of the atrioventricular valves as the atrioventricular muscular septum. About 55% of valves with two orifices occur in conjunction with other congenital heart defects, notably with atrioventricular septal defects. Here, a relatively advanced contractile function would serve to prevent regurgitation in the absence of arterial valves. The tricuspid and mitral valves appeared normally formed. Continuity of cordal tissue from both atrioventricular valves was noted at the margin of the defect. Furthermore, we cannot assume that the causes of spontaneous anomalies of aortic valves are identical in all mammals. The total number o f valves estimated t he seed crop size. The nature and timing of subsequent interventions also often depend upon the adequacy of growth of cardiac chambers, valves and great vessels. Taken together, however, the cavity was smallest in those with muscular atresia of the outflow tract as compared to those with imperforate pulmonary valves. While the one prevented 'free inquiry', the other afforded only 'meaningless anguish' or 'vulgar amusement' as 'convenient safety valves for human anxiety'. In all hamsters possessing bifoliate aortic valves, however, the leaflets were oriented ventrodorsally, a pattern which corresponds to the anteroposterior type in man. Intriguingly, the expression within the epicardium gradually fades after birth, whereas robust expression persists in the valves, which largely derive from the endocardial cushions. The atrioventricular valves have lost their usual offsetting and are in fibrous continuity posterosuperiorly to the defect. The third type is bordered directly by fibrous continuity between the leaflets of the aortic and pulmonary valves. Others develop a localised fibrous ring above the aortic valves or, more commonly, exhibit increased medial thickness with fibrous thickening. The leaflets of the arterial valves were in fibrous continuity. The per fusion rate was gravity driven from reservoirs and maintained by a set of electronically controlled solenoid valves. A trigger signal is used to change the mode of the valves for reversing the pressure. The major shortcoming of data regarding outcomes in pregnant women with mechanical heart valves is that the true rate of anticoagulation failures is unknown. Evans et al76 noted that over 96% of obstetricians would choose heparin rather than coumadin for pregnant women with mechanical valves. However, some reports suggest that the durability of these valves is limited, and that pregnancy accelerates their degeneration and calci®cation. The effect ofsizing- surgical distortion, recurrence of rheumatic activity on these transplanted valves and of the repaired mitral valves-remain to be evaluated in the long-term. A few cases may display pericardial effusion, and involvement of the cardiac valves has been described rarely. The macroscopic examination of pulmonary valves did not show any pathologic changes related to the presence of the inflated balloon in the pulmonary artery. No pt had thromboembolic complication or dysfunction of prosthetic valves or problems associated with anticoagulant therapy. Although they are the two most common forms of anomalies of the atrioventricular valves, they seem to be unrelated pathogenetically, and they are rarely associated. At operation, the surgeon found an intact atrial septum and partially separated atrioventricular valves with a common atrioventricular junction. Still, it is questionable whether the doses were high enough, and whether the differential thrombogenecity of the valves was taken into account. Perforation of atretic valves was introduced and the first fetal intervention reported. Three valves were affected in two hearts, while only one heart had two affected valves. No significant differences were observed in the incidence of rheumatic lesions to the mitral and tricuspid valves in those with or without associated congenital lesions. The ventricular septal defect was large enough to be related to both arterial valves. Problems can also occur when there is a mismatch between the commissures of the aortic and pulmonary valves. All these abnormalities can be identified during infancy from subcostal paracoronal sections taken anterior to the atrioventricular valves. The distance from the defect is judged to the right upper pulmonary vein and to the atnoventricular valves. The results showed that 369 (37.8%) neonates had evidence of regurgitation in one or more valves. Of the afflicted valves, 78.8% were insufficient and 20.3% obstructive. The extended work also looks at actions to operate machinery as well as to open and close valves. When the system must maintain a flow of a chemical, the valves along the initial route are kept open. Actions are proposed to open the valves along this path and to close the valves around the path, so that the species does not stray. The system will then close valves 1 and 2 to isolate the pipe section. In our spacecraft example, there are many instruments, switches, and valves that can be activated at any given moment. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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