文中亦对特殊船尾的推进性能与螺旋桨设计作了初步分析。
The propulsive performance and design of propeller for the special stern shapes are discussed in this paper.
探讨了水翼瞬时攻角、及柔度对摆动水翼推进性能的影响。
The influence of the instantaneous angle of attack and ST on the performance of propulsion is investigated.
在破冰船推进性能方面,主要采用导管螺旋桨作为主要推进器。
In the propulsion performance of the icebreaker, mainly use the ducted propeller as the main propulsion.
激光推进工质推进性能研究是激光推进技术研究关注的焦点之一。
Research on the propulsive performance of laser propulsive working medium is one of the most important part in laser propulsion technology.
在本次论文中主要包括两个方面,即破冰船破冰方式及推进性能的研究。
This paper includes two aspects, the research of ice-breaking ways and the propulsion performance of the rivery icebreaker.
为进一步研究激光支持等离子体流场特性和脉冲激光推进性能等提供重要的理论依据。
All of these provide an important theoretical basis for further study of the characteristics of laser sustained plasma flow field and the pulsed laser propulsion experiment.
作者应用循环水槽和平面运动机构,对五种实用脚蹼推进性能作了国内首例比较试验研究。
Experiments are made on the propulsive performance of five kinds of practical flippers with the circulating water channel and the planar motion mechanism.
本文计算分析了浅吃水船的阻力、推进性能、适航性、操纵性及综合经济性后,给出了供方案探讨时选择主尺度方案的简便图谱。
In this paper the resistance, propulsive performance, seakeeping quality, manoeuvrability and economical criterion of a shallow draught vessel are calculated and analysed.
在中国船舶科学研究中心拖曳水池中,通过滑行艇模型自航试验,研究了艇底气层对滑行艇推进性能的影响,结果表明:气层对采用水螺旋桨推进的滑行艇推进性能的影响不大。
The effect of bubbly layer on propulsion performance of planing craft is investigated by means of self-propelled model experiment in the towing tank of China Ship Scientific Research Center.
苹果继续让自己的产品架构维持紧密的相互依存关系,使自己可以制造出真正令人难以置信的产品,不断地推进其性能范围。
Apple has continued to keep its product architectures tightly interdependent, which has allowed it to make really incredible products that are constantly pushing the performance envelope.
我们的客户过去开发大型、复杂的系统,推进了他们用于构建那些系统的IBM产品性能的提高。
Our customers were developing large, complex systems, and pushing the capabilities of the IBM products they used to build those systems.
经测试,飞机的轴驱动升力风扇推进系统可产生超过性能需求的垂直推力比。
The aircraft’s shaft-driven lift fan propulsion system produced more vertical thrust than needed to meet performance requirements.
第二个水平是,对于一个稍微更先进一点的文明而言,他们将在某个特定方向上参与推进新宇宙的性能。
The second level, for a slightly more advanced civilisation, would involve nudging the properties of the baby universes in a certain direction.
由于此蓄电池的低成本和在环境温度下的优秀性能,锂电池将会在推进力应用的技术上有广泛的前途。
Due to the low cost of the battery cells and excellent performance at ambient temperature, Lithium-ion (Li-ion) battery is a promising technology for propulsion applications.
HPCMP创立于1992年,是为了推进国防部的高性能计算能力,因此该机构能够承担更先进的模拟、测试和建模工作。
HPCMP was created in 1992 to boost the high-performance computational capabilities of the Defense Department, so more advanced simulation, testing and modeling work can be carried out by the agency.
除了大大改善应用程序的性能之外,本地高速缓存对于推进移动Web应用程序的另一个新的令人振奋的功能——离线——是很关键的。
In addition to dramatic improvement of the performance of your application, local caching is key to enabling another new exciting capability of mobile Web applications: going offline.
目的:通过对不明原因小肠疾病患者行双球囊推进式电子小肠镜检查,评价其操作性能及安全性以及护理要点。
Objective To evaluate the operational performance, safety and feature of nursing care of double-balloon push-type entero scopy in patients with unexplained small bowel diseases.
分析了固液发动机推进剂的燃烧特性和发动机性能特性、与液体和固体火箭发动机的不同,以及研制的技术难度等。
The propellant feature of burning behavior and engine in hybrid engine, the differences to liquid and solid engine and the difficulties of technology in development were analyzed.
应用升力面理论涡格法和面元法,建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
马什预计,燃料电池能用在草坪割草器、吹雪机、喷气推进装置和其他目前导致噪声以及空气污染且用蓄电池做动力运转性能不佳的移动设备上。
Marsh envisions fuel cells in lawn mowers, snow-blowers, jet skis and other mobile devices which now contribute to noise and air pollution, and which don't run well on batteries.
本文分析了盘面比、叶数、整体螺距角、周期螺距角、纵倾角、叶剖面形状等主要参数的变化对全方向推进器水动力性能的影响。
Analyze the influence of main parameters including exp. area ratio, blade number, collective pitch angle, section shape, cyclic pitch angle and rake angle on the performance of VVP.
通过热分析方法、推进剂配方工艺研究与性能测试,探讨了它们对NEPE和丁羟固体推进剂固化反应的催化作用。
Their catalytic activities to the curing reaction of NEPE and HTPB solid propellants were studied by thermal analysis methods, formulation process research and performance test of propellants.
论文研究了一种新型改性双基固体推进剂的性能特点,并与传统的双基推进剂进行了比较。
The paper gives the performance characteristic of a new type modified double base solid propellant, and it is compared with the traditional double base propellant.
作为吸气式发动机,其性能不仅取决于发动机本身结构和推进剂性能,与飞行状态也有密切的联系。
As the air-breathing engine, the performance of solid rocket ramjet is determined not only by structure of engine and the performance of propellant, but also by flight condition.
并对含纳米铝粉推进剂的燃烧性能、能量性能进行了测定。
The combustion performance and energy property of propellants containing nano-aluminum were also studied.
通过常温湿度试验,研究了HTPB复合推进剂力学性能随试验时间的变化规律。
The change rule of mechanical property of HTPB composite propellant with test time was studied by humidity test.
结果表明,键合剂改善RDX/HTPB推进剂力学性能的主要原因在于它们改善了RDX颗粒与HTPB粘结剂基体间的界面粘结效能。
The results show that primary action of bonding agent improving RDX/HTPB propellant mechanical property was bonding agent improving interface adhesive effect of RDX grain to HTPB binder.
结果表明,键合剂改善RDX/HTPB推进剂力学性能的主要原因在于它们改善了RDX颗粒与HTPB粘结剂基体间的界面粘结效能。
The results show that primary action of bonding agent improving RDX/HTPB propellant mechanical property was bonding agent improving interface adhesive effect of RDX grain to HTPB binder.
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