检索结果-南通市图书馆

暖通空调 1993年第1期22卷 20-22页

作者： P.o.Fanger 陈滨

本文介绍一种新的通风理论,这种理论考虑了所有存在的污染源,并在新的空气品质舒适方程中将其定量化。这个方程是以新的单位 olf 和 decipol

关键词：室内空气品质舒适方程

DETECTIoN oF DAMAGE IN SMC USING VlBRATIoNINDUCED THERMAL EMISSIoN

在线全文

学校读者我要写书评

暂无评论

DETECTION OF DAMAGE IN SMC USING VlBRATIONINDUCED THERMAL EM...

第五届国际振动工程会议

作者： MainaMaringa S.o.oyadiji School of Engineering University of Manchester oxford Road Simon Building ManchesterM13 9PLUK School of Engineering University of Manchester oxford Road Simon Building ManchesterM13 9PLUK

＜正＞ The Stress Pattem Analysis by Thermal Emissionmeasurement equipment（SPATE） was used to scan thesurfaces of several sheet moulding compound （SMC） dogbone specimens,tha were subjected to sinusoidalexcitation at a frequency of 20Hz over a large number oftest cycles.A homogeneous material with a uniform crosssection,which is free of damage,is expected to givethermoelastic scans with constant values of principalstress *** the initial scans obtained here exhibitedvariations in the magnitude of the thermoelastic signalover the scanned *** was likely to be due to theinherent in-homogeneity of the material and/or thepresence of *** presence of damagr,Which isknown in fibre reinforced composites to occur in the formof cracks,leads to a reduction in the magnitude of boththe elastic modulus and the coefficient of linear thermalexpansion at the sites of *** produces areduction in the magnitude of the thermoelastic signaland hence an uneven thermoelastic signal over a surfacewith unevenly distributed *** scansexhibited variations in the signal patterns on the scannedsurfaces reflecting the spread of damage and increase inits *** nature of accumulated damage wasdetermined from the magnitude of the obtained *** accumulation of damage was observed as anincrease and surface accumulation of damage as adecrease,in the magnitude of the obtained *** scans showed these two opposing effects tooccur concurrently in certain *** analysis （TSA）,which is a full field non-contactmethod,is seen here to be a good alternative to traditionalstrain gauging in monitoring the accumulation of damagein SMC.

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

标记辅助选择在谷物品质改良方面的应用

世界农业 1998年第2期 24-25页

作者： Lo'Brien 蒋高松悉尼大学植物育种研究所香港大学植物学系

标记辅助选择在谷物品质改良方面的应用［澳］悉尼大学植物育种研究所ＬＯ′Ｂｒｉｅｎ标记辅助选择在植物育种方面具有显著的改善选择性的潜力，因为它允许育种者能在基因水平工作而不是停留在表型上。这就意味着当在表型水平工作时... 详细信息

标记辅助选择在谷物品质改良方面的应用［澳］悉尼大学植物育种研究所ＬＯ′Ｂｒｉｅｎ标记辅助选择在植物育种方面具有显著的改善选择性的潜力，因为它允许育种者能在基因水平工作而不是停留在表型上。这就意味着当在表型水平工作时，由于环境经常性的杂乱影响使得基因...

关键词：谷物品质改良标记辅助选择育种分子标记

Identifying the niche for spermatogenesis

在线全文

学校读者我要写书评

暂无评论

Identifying the niche for spermatogenesis

2019中国生理学会学术年会暨张锡钧基金第十五届全国青年优秀生理学学术论文交流会及第十三届全国青年生理学工作者学术会议

作者：彭义 Bo o.Zhou Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Sciences

Mammalian spermatogenesis is a complex developmental process based on a robust stem cell system, which is controlled by a special microenvironment in the *** multiple cell types have been proposed as potential niche(s) for spermatogenesis, direct in vivo evidence is lacking among these ***/c-kit pathway have been implied in the regulation of spermatogenesis and

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

莱茵河畔魏尔市家具博物馆,德国

世界建筑 1991年第2期 42-43页

作者： F.o.盖里

本工程包括椅子装配厂、小型家具博物馆以及停车场、门卫等附属设施。椅子装配厂为钢筋混凝土结构,拉毛外饰面,天窗与大侧窗采光。附设在大面积厂房北侧的办公、接待等小建筑,其外型复杂、多变,与博物馆及东南面的雕塑一起,形成了十分... 详细信息

本工程包括椅子装配厂、小型家具博物馆以及停车场、门卫等附属设施。椅子装配厂为钢筋混凝土结构,拉毛外饰面,天窗与大侧窗采光。附设在大面积厂房北侧的办公、接待等小建筑,其外型复杂、多变,与博物馆及东南面的雕塑一起,形成了十分引人注目的外观。博物馆由展室、图书馆、办公室、仓库等组成。它们在空间上相互渗透,该组建筑均通过天窗采光,无侧窗,故雕塑感很强。建筑组群的动态平衡,形成了这座博物馆的独特风格,显示了盖里的“解构”手法。

关键词：博物馆侧窗装配厂椅子博物院文化机构家具木制品天窗

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

法显在斯里兰卡

佛学研究 2011年 20-24页

作者： K.N.o.Dharmadasa 斯里兰卡佩拉德尼亚大学

斯里兰卡是印度洋上的一个岛国,是海路交通的重要枢纽,古来就吸引了众多来自东西方的旅行者。在古时候,斯里兰卡就是一个引人入胜之地。这里的宝石和珍珠非常著名,还生产优质的香料。这样,斯里兰卡就成为了繁忙的贸易活动中心。除此以外... 详细信息

斯里兰卡是印度洋上的一个岛国,是海路交通的重要枢纽,古来就吸引了众多来自东西方的旅行者。在古时候,斯里兰卡就是一个引人入胜之地。这里的宝石和珍珠非常著名,还生产优质的香料。这样,斯里兰卡就成为了繁忙的贸易活动中心。除此以外,当时被称为狮子国(Sihaladipa)的斯里兰卡还是上座部佛教的中心,这也让她名声远扬。佛祖释迦牟尼的教义于公元前3世纪传人了斯里兰卡。最初是通过一代代僧侣的口

关键词：法显僧人上座部佛教斯里兰卡南亚佛教信仰

oN THE UNIFoRM DISSIPATIVITY oF SoME FIFTH-oRDER NoN-LINEAR DIFFERENTIAL EQUATIoNS

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Annals of Differential Equations 2003年第4期19卷 489-496页

作者： Afuwape A.U. Adesina o.A. Dept.of Math. Obafemi Awolowo UniversityIle-IfeNigeriaDept.of Math.Obafemi Awolowo UniversityIle-IfeNigeria

This paper studies the problem of uniformly dissipative solutions of some fifth order non-linear differential equations by the use of frequency domain technique. We use the generalized theorem of Yacubovich on dissipativity to obtain some new sufficient conditions of the existence of solutions that are dissipative for (1.1) and (1.2).

关键词： bounded solutions dissipative solutions and frequency-domain

Cross-sections of photonuclear reactions ^(65)Cu(γ, n)^(64)Cu and ^(63)Cu(γ, xn)^(63−x)Cu in the energy range E_(γmax) = 35–94 MeV

在线全文

学校读者我要写书评

暂无评论

Chinese Physics C 2022年第12期46卷 208-216页

作者： o.S.Deiev I.S.Timchenko S.M.olejnik S.M.Potin V.A.Kushnir V.V.Mytrochenko S.A.Perezhogin B.I.Shramenko National Science Center“Kharkov Institute of Physics and Technology” 1Akademichna St.61108KharkivUkraine

The flux-averaged cross-sectionsfor the reactions^(65)Cu(γ,n)^(64)Cu,^(63)Cu(γ,n)^(62)Cu,^(63)Cu(γ,2n)^(61)Cu,and^(63)Cu(γ,3n)^(60)Cu have been measured within the bremsstrahlung end-point energy E_(γmax)range of 35–94 *** experiments were performed with the electron beam from the NSC KIPT linear accelerator LUE-40 with the use of the activation and off-lineγ-ray spectrometric *** calculation of the flux-average cross-sections_(th)was conducted using the cross-sectionσ(E)values from the TALYS1.95 code,run with default *** is shown that the experimental average cross-sections for the reactions^(65)Cu(γ,n)^(64)Cu,^(63)Cu(γ,n)^(62)Cu,and^(63)Cu(γ,2n)^(61)Cu are systematically higher than the theoretical estimates based on the TALYS1.95 *** obtainedof different laboratories for the(γ,n)and(γ,2n)reactions of^(63)Cu and^(65)*** the reaction^(63)Cu(γ,3n)^(60)Cu,the values ofwere measured for the first time.

关键词： ^(63)Cu ^(65)Cu photonuclear reactions flux-averaged cross-section bremsstrahlung end-point energies of 35-94 MeV activation and off-lineγ-ray spectrometric techniques TALYS1.95 GEANT4

Control of observation Systems with Application to Radar

在线全文

学校读者我要写书评

暂无评论

Control of Observation Systems with Application to Radar

Signal transduction of bombesin-induced circular smooth muscle cell contraction in cat esophagus

2009中国控制与决策会议

作者： Alan C.o’Connor School of Engineering and Applied Sciences Harvard UniversityCambridgeMA 02138

We formulate the problem of managing sensors as one of optimal control of the resulting state estimator covariance *** posed in the early days of optimal control,this problem has received little attention, despite the proliferation of active sensing systems and sensor networks and the resulting need to target observations to obtain useful state estimates while minimizing energy *** consider the problem where the parameters of an observation system,to be selected from an given set,are controlled *** give a necessary condition for optimality and a numerical scheme for finding these ***,using a convenient parametrization of the ambiguity function for a certain class of pulsed radar systems,we apply this theory to optimal tracking of a target with known dynamics.

关键词： Sensor Management observation Control Radar

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2006年第14期12卷 2259-2263页

作者： Sung-Uk Park Chang-Yell Shin Jung-Su Ryu Hyen-o La Sun-Young Park Hyun-Ju Song Young-Sil Min Dong-Seok Kim Uy-Dong Sohn Department of Pharmacology College of Pharmacy Chung Ang UniversitySeoul 156-756Republic of Korea Department of Pharmacology College of Pharmacy Chung Ang UniversitySeoul 156-756Republic of Korea Research LaboratoryDong-A Pharm. Co. LtdYongin 449-905Kyunggi-DoRepublic of Korea Department of Pharmacology College of Medicine The Catholic University of KoreaSeoul 137-701Republic of Korea Research Division for Human Life Sciences Seoul National University 28 Yongon-DongChongno-GuSeoul 110-744Republic of Korea

AIM： To investigate the mechanism of bombesin-induced circular smooth muscle cell contraction in cat esophagus. METHoDS： Specific G protein or phospholipase C involved in cat esophagus contraction was identified, muscle cells were permeabilized with saponin. After per- meabilization of muscle cells, the Gi3 antibody inhibited bombesin-induced smooth muscle cell contraction. RESULTS： Incubation of permeabilized circular muscle cells with PLC-β3 antibody could inhibit bombesin-induced contraction. H-7, chelerythrine （PKC inhibitor） and genistein （protein tyrosine kinase inhibitor） inhibited bombesin-induced contraction, but DAG kinase inhibitor, R59949, could not inhibit it. To examine which mitogen-activated protein kinase （MAPK） was involved in bombesin-induced contTaction, the specific MAPK inhibitors （MEK inhibitor, PD98059 and p38 MAPK inhibitor, SB202190） were used. Preincubation of PD98059 blocked the contraction induced by bombesin in a concentration-dependent manner. However, SB202190 had no effects on contraction. CoNCLUSIoN： Bombesin-induced circular muscle cell contraction in cat esophagus is mediated via a PKC or a PTK-dependent pathway or p44/p42 HAPK pathway.

关键词： Bombesin G protein Phospholipase C Protein kinase C Protein tyrosine kinase MAP Kinase Cell contraction