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 共查询到20条相似文献,搜索用时 46 毫秒
1.
舱内渔获物滑动对船舶稳性的影响EFFECTOFCAUGHTFISHESSLIDEINSIDESHIP'SHOLDTOTHESHIP'SSTABILITY钟振余Zhongzhenyu(宁波大学,宁波315211)(NingboUniversity,Ni...  相似文献   

2.
强酸性电解水对蔬菜杀菌效果及外观品质的影响(简报)康维民(河北农业技术师范学院食品工程系,昌黎,066600)GERMICIDALEFFECTSOFSTRONGACIDELECTROLYTICWATERONVEGETABLESANDITSAPPSRE...  相似文献   

3.
THEORBITALEVOLUTIONOFTHENEAR┐EARTHASTEROIDSLiuLinJiJianghui(DepartmentofAstronomy,NanjingUniversity,210093,Nanjing,PRC;)Keyw...  相似文献   

4.
加州鲈鱼食性驯化技术要点徐如卫,江锦坡(浙江水产学院水产养殖系,宁波315010)TECHNOLOGICALKEYSTODOMESTICATIONOFFOODHABITOFLARGE-MOUTHBLACKBASSMICROPTEHUSSALMOIDE...  相似文献   

5.
尼克刹米对三种果树花粉生活力的影响(简报)宋金耀刘永军孟庆祥牛春霞王玉芬(河北农业技术师范学院园艺系,昌黎,066600)EFFECTSOFNIKETHAMIDEONTHEPOLLENACTIVITIESOFAPPLE,PEACHANDPEAR(BU...  相似文献   

6.
草莓无土栽培中几种基质的研究(简报)齐慧霞1周丽艳2李双民(1河北农业技术师范学院园艺系,2农学系,昌黎,066600)(河北省昌黎县职业技术教育中心ONSEVERALESSENTIALQUALITIESOFSTRAWBERRYWITHSOILLES...  相似文献   

7.
阐述了将专家系统的基本概念和实现方法同决策支持系统的开发技术相融合的一种新型的多专家系统集成式决策支持系统(MESIDSS)提出的必要性,给出了MESIDSS的基本概念和特征,描述了MESIDSS的基本结构框架,着重讨论了MESIDSS中各组成部分所应具备的功能以及系统的实现方法.  相似文献   

8.
智能数字转接机(IDS)是TELINET(TElephoneLIneNETworok)网络组成中的核心部件。通过它可以完成计算机基带数据通信双方电话线物理链路的智能转接。笔者继16路4通道IDS研制成功并相继应用在几个单位的TELINET网络中后,又开发出了64路8通道IDS,阐述了它的软件设计和实现  相似文献   

9.
LINEARSTABILITYOFTWO-LAYERGENERALIZEDNEWTONIANFLUIDSFLOWINGDOWNANINCLINEDPLANE¥WangPeiguang(DepartmentofMathematics,HebeiUniv...  相似文献   

10.
介绍了一个智能决策支持系统开发环境IDSSE的设计思想与功能,重点讨论了智能决策支持系统IDSS的模型表示与生成技术,分析了该环境的用户界面的特点。  相似文献   

11.
Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.  相似文献   

12.
何延凌 《科技信息》2008,(4):258-258
Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women's language from these perspectives: pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women's language, more attention should be paid to language use in social context. What's more, the linguistic phenomena in a speaking community can be understood more thoroughly.  相似文献   

13.
王慧 《科技信息》2008,(10):240-240
Wuthering Heights, Emily Bronte's only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.  相似文献   

14.
The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.  相似文献   

15.
理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。  相似文献   

16.
As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.  相似文献   

17.
Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.  相似文献   

18.
以AC-13级配为基础,将橡胶颗粒代替部分集料掺入混合料中,以低温弯曲试验为评价方法对不同橡胶颗粒掺量下沥青混合料的低温抗裂性进行研究,并引入应变能密度值对混合料的低温抗裂性进行综合评价.试验结果表明:橡胶颗粒沥青混合料试件的破坏微应变均超过2 300,满足冬寒区的技术指标;无论是否掺加橡胶颗粒,随着温度的下降,沥青混合料破坏时的最大弯拉强度增大,弯拉应变降低,劲度模量增大;弯曲应变能密度在胶粒掺量为1%左右时具有较大的弯曲应变能密度值,此时橡胶颗粒沥青混合料具有较好的低温抗裂性.  相似文献   

19.
In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.  相似文献   

20.
正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-  相似文献   

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