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142篇 您的检索式：作者名="Needham S"

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	题名	作者	年代	出处	被引量
1	采用里卡多高速直喷式4气门发动机以满足低排放和燃油经济性的要求显示文摘为了研究和证明高速直喷式柴油机的潜力,里卡多公司实施了一项研究并分析每缸4气门燃烧系统性能和排放的计划。分析研究以计算流体力学的研究为基础,以模拟活塞顶燃烧室凹腔内油束与空气的相互作用,并加深对混合过程的理解。试验研究的主要变量包括涡流比、燃烧室凹腔的几何形状、喷油嘴的结构型式、当代先进的转子式电控分配泵和废气再循环的作用。系统的优化过程提供一种固定不变的涡流型式,其制动平均有效压力可达1.5 MPa[15 bar]以上,而BSU(波许烟度单位)却在1.0以下。R49欧洲Ⅱ NO_X水平满足烟度、颗粒排放量和燃油经济性的竞争要求,证明完全按今后发展的欧洲Ⅱ具有极大的开发潜力。车辆排放和燃油耗的模拟表明,此燃烧系统具有满足90年代规定的重型和轻型车排放法规的潜力。	Needham J R Whelan S 张耀庆	1996	国外内燃机1996，28，2：	5
2	Column chromatography separation of polychlorinated biphenyls from dichlorodiphenyl trichloroethane and metabolites显示文摘	NEEDHAM L L SMERK A L HEAD S L	1980	Anal Chem1980，52，：	1
3	Synthesis of NiO nanotubes for use as negative electrodes in lithium ion batteries 显示文摘	Needham S A Wang G X Liu H K	2006	Journal of Power Sources2006，159，1：	1
4	A four-parameters equation for predicting enthalpies of adduct formation显示文摘	Russell S Drago Glenn C Vogel Terence E Needham 1971	1971	J Am Chem Sec1971，17，：	1
5	The worm gut : a natural clay mineral factory and a possible cause of diagenetic grain coats in sandstones显示文摘	Worden R H Needham S J Cuadros J	2006	Journal of Geochemical Exploration2006，89，：	1
6	Coupled reaction-diffusion waves in an isotherml autocatalytic chemical system显示文摘	Merkin J H Needham D J Scott S K	1993	IMA J Appl Math1993，50，1：	1
7	Value Orientations, Awareness of Consequences, and Participation in a Whale Watching Education Program in Oregon 显示文摘	Christensen A Rowe S Needham M D	2007	Human Dimensions of Wildlife2007，12，4：	1
8	Electrochemical performance of SnSb and Sn/SnSb nanosize powders as anode materials in Li-ion cells显示文摘	NEEDHAM S A WANG G X LIU H K	2005	Journal of Alloys and Compounds2005，400，：	1
9	A study of cement modified bitumen emulsion mixture显示文摘	BROWN S F NEEDHAM D	2000	Association of Asphalt Paving Technologist2000，，69：	1
10	DISCERN:An instrument for judging the quality of written consumer health information on treatment choices显示文摘	Charnock D Shepperd S Needham G	1999	Epidermal Community Health1999，53，2：	1
11	Electrochemical performance of SnSb and Sn/SnSb nanosize powders as anode materials in Li-ion cells显示文摘	Needham S A Wang G X Liu H K	2005	Journal of Alloys and Compounds2005，400，12：	1
12	An intervention to decrease catheter-related bloodstream infections in the ICU 显示文摘	Pronovost P Needham D Berenholtz S	2006	N Engl J Med2006，355，：	1
13	Impact of CO2-acidified seawater on the extracellular acid- base balance of the northern sea urchin Strongylocentrotus droebachiensis 显示文摘	SPICER J I WIDDICOMBE S NEEDHAM H R	2011	Journal of Experimental Marine Biology and Ecology2011，407，1：	1
14	An inter- vention to decrease cather-related bloodstream in- fections in the ICU显示文摘	Pronovost P Needham D gerenholtz S	2006	N Engl J Med2006，355，：	1
15	An intervention to decrease catheter-related bloodstream infections in the ICU 显示文摘	Pronovost P Needham D Berenholtz S	2006	N Engl J Med2006，355，26：	1
16	Climate simulation for 9 000 years before present:Seasonal variations and the effects of Laurentide ice sheet显示文摘	GRAHAME N S NEEDHAM K H	1988	Journal of Geophysical Research1988，93，：	1
17	Art intenvention to de- crease caeheter-related bloodstream infections in the ICU 显示文摘	Pronovost P Needham D Berenholtz S	2006	N Engl J Ned2006，355，26：	1
18	An intervention to decrease catheter-related bloodsteam infection in the ICU 显示文摘	Pronovost P Needham D Berenholtz S eta1	2006	N Engl J Med2006，355，26：	1
19	An intervention to decrease catheter related bloodstream infections in the ICU显示文摘	Pronovost P Needham D Berenholtz S	2006	NEnglJ Med2006，355，26：	1
20	Nanostructured SnSb/carbon nanotube composites synthesized by reductive precipitation for lithium-ion batteries显示文摘	Park M S Needham S A Wang G X	2007	Chemistry of Materials2007，19，10：	1

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