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Fluid mechanics 5th ed.

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丛书名： mcGraw-Hill series in mechanical engineering

2003年

作者： Frank m White

来源：畅想之星图书光盘版（南... 评论

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随钻声波测井新技术

国外测井技术 2007年第1期22卷 53-60页

作者： Jeff Alford Roger B.Goobie Colin m.Sayers ed Tollefsen Jay Cooke Andy Hawthorn John C.Rasmus Ron Thomas 美国得克萨斯州休斯敦 Helis油气公司美国得克萨斯州休斯敦美国得克萨斯州Sugar Land PPI技术服务公司美国得克萨斯州休斯敦

在诸多钻井决策中，优选泥浆比重是最具挑战性而且也是最重要的决策之一。如今，新型随钻声波测井仪器的应用能够更好地帮助钻井工程师进行这些钻井决策。

关键词：随钻声波测井技术声波测井仪器泥浆比重决策钻井挑战性工程师

Leaf thermal tolerance and sensitivity of temperate tree species are correlated with leaf physiological and functional drought resistance traits

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Journal of Forestry Research 2023年第1期34卷 63-76页

作者： Ines Katharina münchinger Peter Hajek Berivan Akdogan Astor Torano Caicoya Norbert Kunert Department of Integrative Biology and Biodiversity Research Institute of BotanyUniversity of Natural Resources and Life Sciences ViennaGregor-Mendel Str.331190 ViennaAustria Geobotany University of FreiburgSchanzlestr.179104 FreiburgGermany TUm School of Live SciencesChair of Forest Growth and Yield ScienceTechnical University of MunichGermanyHans-Carl-Von-Carlowitz 285354 FreisingGermany

Climate change is causing more frequent and severe climatic events,such as extreme heat and co-occurring drought,potentially accelerating tree *** tree species will cope better with those extreme events is still being *** study focuses on heat as a physiological stress factor and interspecifi c variation of thermal tolerance and sensitivity traits in 15 temperate coniferous and broad-leaved tree *** investigate(1)whether thermal tolerance and sensitivity traits correlate with a droughtrelated physiological trait,particularly the leaf turgor loss point(πtlp,wilting point),and(2)how thermal tolerance and sensitivity traits co-vary within diff erent tree-functional types classifi ed by morphological and physiological traits of the leaf,i.e.,leaf mass per area(LmA)and percentage loss of area(PLA).The study was carried out in the Traunstein Forest Dynamics Plot of the ForestGEO network in *** temperature response of the maximum quantum yield of photosystem II(F_(v)/F_(m))on leaf discs was determined,from which various physiological leaf traits were estimated,one of which is the breaking point temperature(T_(5)),the temperature at which F_(v)/F_(m)declines by 5%.Additionally,the temperature of 50%(T_(50))and 95%(T_(95))decline in F_(v)/F_(m)was *** decline width between T_(50)and T 5(DW T_(50)−T_(5))was taken as an indicator of the species’thermal *** breaking point temperature ranged from 35.4±3.0 to 47.9±3.9℃among the investigated tree species and T 50 ranged between 46.1±0.4 and 53.6±0.7℃.A large interspecifi c variation of thermal tolerance and sensitivity was *** ash(Fraxinus excelsior L.)was the most heat-sensitive species,while Wild cherry(Prunus avium L.)was the least heat-sensitive *** with a more negativeπtlp tended to have a higher breaking point temperature than species with a less negativeπtlp.A lower thermal sensitivity characterized species with a higher LmA,and high PLA was

关键词： Water stress Heat stress Physiological limitations Climate change ForestGEO

巨噬细胞中缺氧诱导因子1α表达促进动脉粥样硬化的发展

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中华高血压杂志 2016年第9期24卷 808-808页

作者：刘莉叶鹏 Aarup A Pedersen TX Junker N Christoffersen C Bartels ed madsen m Nielsen CH Nielsen LB

粥样硬化病变包含缺氧区域，但缺氧病理生理的重要性未知。缺氧诱导因子1a（hypoxia-induciblefactor-1α，HIF-1α）是细胞对低氧反应的关键转录因子。研究人员对HIF-1α在巨噬细胞促进小鼠动脉粥样硬化的生物学效应方面进行调查和验证。

关键词：缺氧诱导因子1α 动脉粥样硬化巨噬细胞 HIF-1α 生物学效应病理生理转录因子低氧反应

mechanics of materials. 6th ed.

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Amphibians and Reptiles of Cebu,Philippines：The Poorly Understood Herpetofauna of an Island with Very Little Remaining Natural Habitat

2004年

作者： Gere James m.

来源：畅想之星图书光盘版（南... 评论

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Asian Herpetological Research 2016年第3期7卷 151-179页

作者： Christian E.SUPSUP Nevong m.PUNA Augusto A.ASIS Bernard R.RedOBLADO maria Fatima G.PANAGUINIT Faith m.GUINTO edmund B.RICO Arvin C.DIESmOS Rafe m.BROWN Neil Aldrin D.mALLARI Fauna and Flora International- Philippines Foggy Heights Subdivision Brgy. San Jose Tagaytay City Philippines Biology Department De La Salle University 2401 Taft Avenue Manila Philippines Cebu Biodiversity Conservation Foundation 41 Edison Street Lahug Cebu City Cebu Cebu Technological University - Argao Campus Ed Kintanar Street Lamacan 6021 Argao Cebu Philippine National museum Zoology Division Herpetology Section. Rizal Park Buvg os St. Manila Philippines Department of Ecology and Evolutionary Biology and KU Biodiversity Institute University of Kansas Lawrence Kansas 66045 USA

Despite its proximity to other well studied islands, Cebu has received little attention from herpetologists, most likely because of early deforestation and the perception very little natural habitat remains for amphibians and reptiles. In this study, we present a preliminary assessment of island＇s herpetofauna, focusing our field work on Cebu＇s last remaining forest fragments and synthesizing all available historical museum distribution data. We surveyed amphibians and reptile populations using standardized methods to allow for comparisons between sites and assess sufficiency of sampling effort. Fieldwork resulted in a total of 27 species recorded from five study sites, complementing the 58 species previously known from the island. Together, our data and historical museum records increase the known number of Cebu＇s resident species to 13 amphibians（frogs） and 63 reptiles（lizards, snakes, turtle, crocodile）. We recorded the continued persistence Cebu＇s rare and endemic lizard（Brachymeles cebuensis） and secretive snakes such as malayotyphlops hypogius, and Ramphotyhlops cumingii, which persist despite Cebu＇s long history of widespread and continuous habitat degradation. most species encountered, including common and widespread taxa, appeared to persist at low population abundances. To facilitate the immediate recovery of the remaining forest fragments, and resident herpetofauna, conservation effort must be sustained. However, prior to any conservation interventions, ecological baselines must be established to inform the process of recovery.

关键词： persist likely historical habitat remaining resident island facilitate museum populations

A Study of making Iron Aluminide Alloy Powders with New Rotating Electrode Technology

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厦门大学学报（自然科学版） 2002年第S1期41卷 107-108页

作者： S S LIAN m L SHI Department of materials Science & Engineering National Taiwan UniversityDepartment of Materials Science & Engineering National Taiwan University Taipei ChinaTaipei China

A new process was used for producing FeAl alloy pow de rs with double consumable rotating electrodes and the powders made in this appar atus were analyzed. In this new technology, tungsten rod serves as a cathode ele ctrode, while the alloy rod as an anode electrode. The conventional rotating ele ctrode process must have an anode with pre-melting alloys; however, in this new process, using pure iron as cathode electrode and pure aluminum as anode electr ode can eliminate the step of pre-melting. The effects of process variables, which include electrode rotational speed, a nd electrode diameter of the mean particle diameter were determined. Results showed that both the rotational speed and diameter of electrodes would a ffect the mean diameter of particles. There are three kinds of powders with diff erent composition produced in this study and the possible mechanisms are discuss ed. The process parameters and volume mean diameter of the powders have been cor related to find an experimental equation. The results show that when the rotational speed and the diameter of the anode el ectrode are increased, the powders size will decrease. However, the powders size will increase with cathode electrode.

关键词： A Study of making Iron Aluminide Alloy Powders with New Rotating Electrode Technology

Inductively coupled plasma emission spectroscopic and flame photometric analysis of goat epididymal fluid

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Asian Journal of Andrology 2000年第4期2卷 288-292页

作者： meenakshi Gaur Vikas Pruthi Ramasare Prasad Ben m.J.Pereira Reproductive Biology Laboratory Dept. of Bioscience and Biotechnology University of Roorkee Roorkee-247 667 U. P. IndiaReproductive Biology Laboratory Dept. of Bioscience and Biotechnology University of Roorkee Roorkee-247 667 U. P. IndiaReproductive Biology Laboratory Dept. of Bioscience and Biotechnology University of Roorkee Roorkee-247 667 U. P. IndiaReproductive Biology Laboratory Dept. of Bioscience and Biotechnology University of Roorkee Roorkee-247 667 U. P. India

Aim: The elemental composition of the epididymal luminal fluid (ELF) in adult goat ( Capra indica) was investigat-ed. methods: ELF was collected by micropuncture from twelve sites along the epididymal duct. The elementalcontents was analyzed with inductively coupled plasma (ICP) emission spectroscopy, a microanalytical technique thatcan simultaneously measure many elements in minute volumes of sample. The Na and K concentrations were determinedby flame photometry. Results: ICP spectroscopy showed the presence of copper, calcium, nickel, iron, magne-sium, chromium, titanium and zinc in ELF, with fluctuating levels at different sites along the length of the ***, cobalt, lead and manganese were not fotmd. The Na^+ / K^+ ratio was seen to be higher at the initial seg-ments of the epididymis and lower at the distal. Conclusion: It is proposed that the observed characteristic distribu-tion of elements in ELF may have far reaching implications in sperm maturation and storage known to occur in the epi-didymis. (Asian J Androl 2000 Dec; 2: 288-292)

关键词： goat epididymis epididymal luminal fluid elements spectroscopy flame photometry

Automatic Detection and Classification of Insects Using Hybrid FF-GWO-CNN Algorithm

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Intelligent Automation & Soft Computing 2023年第5期36卷 1881-1898页

作者： B.Divya m.Santhi Department of ECE Saranathan College of EngineeringTrichyIndia

Pest detection in agricultural cropﬁelds is the most challenging task,so an effective pest detection technique is required to detect insects *** processing techniques are widely preferred in agricultural science because they offer multiple advantages like maximal crop protection,improved crop man-agement and *** the other hand,developing the automatic pest mon-itoring system dramatically reduces the workforce and *** image processing approaches are limited due to the disadvantages like poor efﬁciency and less ***,a successful image processing technique based on FF-GWO-CNN classiﬁcation algorithm is introduced for effective pest monitor-ing and *** four-step image processing technique begins with image pre-processing,removing the insect image’s noise and sunlight illumination by utilizing an adaptive medianﬁ*** insects’size and shape are identiﬁed using the Expectation maximization Algorithm(EmA)based clustering technique,which involves not only clustering the data but also uncovering the correlations by visualizing the global shape of an *** up robust feature(SURF)method is employed to select the best possible image ***,the image with best features is classiﬁed by introducing a hybrid FF-GWO-CNN algorithm,which combines the beneﬁts of Fireﬂy(FF),Grey Wolf Optimization(GWO)and Convolutional Neural Network(CNN)classiﬁcation algorithm for enhancing the classiﬁcation *** entire work is executed in mATLAB simulation *** test result reveals that the suggested technique has deliv-ered optimal performance with high accuracy of 97.5%,precision of 94%,recall of 92%and F-score value of 92%.

关键词： Adaptive medianﬁlter EmA SURF FF algorithm GWO CNN