发布求助
文献互助 智能选刊 最新文献

Iowa State College journal of science最新文献

筛选
英文 中文
Influence of egg source on the efficacy of European corn borer larvae. 卵源对玉米螟幼虫药效的影响。
Iowa State College journal of science Pub Date : 1968-01-01 DOI: 10.31274/RTD-180813-2851
J. L. Huggans
{"title":"Influence of egg source on the efficacy of European corn borer larvae.","authors":"J. L. Huggans","doi":"10.31274/RTD-180813-2851","DOIUrl":"https://doi.org/10.31274/RTD-180813-2851","url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"90 1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1968-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80578534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
The relationship of numbers of Helicotylenchus microlobus to nitrogen soil amendments 小叶螺蛳数量与土壤氮素改良率的关系
Iowa State College journal of science Pub Date : 1965-01-01 DOI: 10.31274/RTD-180813-3007
D. Castaner
{"title":"The relationship of numbers of Helicotylenchus microlobus to nitrogen soil amendments","authors":"D. Castaner","doi":"10.31274/RTD-180813-3007","DOIUrl":"https://doi.org/10.31274/RTD-180813-3007","url":null,"abstract":"This Dissertation is brought to you for free and open access by the Iowa State University Capstones, Theses and Dissertations at Iowa State University Digital Repository. It has been accepted for inclusion in Retrospective Theses and Dissertations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact digirep@iastate.edu. Recommended Citation Castaner, David, \"The relationship of numbers of Helicotylenchus microlobus to nitrogen soil amendments \" (1965). Retrospective Theses and Dissertations. 3290. https://lib.dr.iastate.edu/rtd/3290 brought to you by CORE View metadata, citation and similar papers at core.ac.uk","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"267 1","pages":"125-135"},"PeriodicalIF":0.0,"publicationDate":"1965-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77710514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Taxonomy and distribution of the genus Cenchrus 标题金莲属植物的分类与分布
Iowa State College journal of science Pub Date : 1962-01-01 DOI: 10.31274/RTD-180813-3347
Donald G. Delisle
{"title":"Taxonomy and distribution of the genus Cenchrus","authors":"Donald G. Delisle","doi":"10.31274/RTD-180813-3347","DOIUrl":"https://doi.org/10.31274/RTD-180813-3347","url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1962-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75013218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 48
Taxonomy and distribution of the genus Phalaris. 标题蝴蝶兰属植物的分类与分布。
Iowa State College journal of science Pub Date : 1960-01-01 DOI: 10.31274/RTD-180813-2099
Dennis E. Anderson
{"title":"Taxonomy and distribution of the genus Phalaris.","authors":"Dennis E. Anderson","doi":"10.31274/RTD-180813-2099","DOIUrl":"https://doi.org/10.31274/RTD-180813-2099","url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"1960-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87739361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 65
Legumes of the north-central States: Galegeae. 美国中北部的豆科植物;豆科植物。
Iowa State College journal of science Pub Date : 1960-01-01 DOI: 10.31274/RTD-180813-1723
S. L. Welsh
{"title":"Legumes of the north-central States: Galegeae.","authors":"S. L. Welsh","doi":"10.31274/RTD-180813-1723","DOIUrl":"https://doi.org/10.31274/RTD-180813-1723","url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"8 1","pages":"111-249"},"PeriodicalIF":0.0,"publicationDate":"1960-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87568437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Measurement of magnetic field gradients by the hall effect 用霍尔效应测量磁场梯度
Iowa State College journal of science Pub Date : 1955-12-01 DOI: 10.2172/4359747
R. D. Redin, G. C. Danielson
{"title":"Measurement of magnetic field gradients by the hall effect","authors":"R. D. Redin, G. C. Danielson","doi":"10.2172/4359747","DOIUrl":"https://doi.org/10.2172/4359747","url":null,"abstract":"A magnetic field gradient measuring device which uses the Hall effect in germanium has been constructed. The field sensitive element was a bar of germanium 1 mm by 1 mm by 12 mm with two sets of Hall leads each attached 2 mm from the center of the bar. With 100 cps current flowing in the long direction of the bar, the two Hall voltages were subtracted to give an output directly proportional to the magnetic field gradient. The instrument was tested in a calculable magnetic field produced by step pole pieces, and gradients from 5 gauss/inch to 500 gauss/inch in magnetic fields below 5000 gauss were measured. The instrument will also measure magnetic field strengths and relative gradients. The usefulness of the instrument is still uncertain because of errors caused by excessive field dependence of the gradient voltage. (auth)","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"61 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"1955-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91444065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Taxonomy and distribution of the genus Spartina 标题米草属植物的分类与分布
Iowa State College journal of science Pub Date : 1953-01-01 DOI: 10.31274/RTD-180813-14058
David G. Mobberley
{"title":"Taxonomy and distribution of the genus Spartina","authors":"David G. Mobberley","doi":"10.31274/RTD-180813-14058","DOIUrl":"https://doi.org/10.31274/RTD-180813-14058","url":null,"abstract":"This investigation deals principally with the rsdetenaination of the liffiits of and the Tariability within the species of Spartinat a genue of grasses. Results of the study show the genus to be composed of sixteen species and tm minor foras. Only one minor nomenclatorial change is proposed. Because the genus had not, heretofore, been properly typified, Spartlpa cynosuroides (L.) Roth is selected as the type species. The sixteen species are placed in three complexes on the basis of aorphological similarity. Species of the first complex possess hard, slen­ der culms and spikelike panicles composed of numerous, short, closely im­ bricate, twisted spii:es. Rhizomes are usually wanting; if present, they are short and knotty. Spartlna arundlnacea of several South Atlantic and Indian Ocean Islands, S. olllata of southern South America and S. spartinae of North and South Aiaerica are aeabers of th® first eoiatilex. The second complex consists of species with soft, fleshy, succulent culms; pilose pubescence on parts of the spikelets; and soft, flaccid rhi­ zomes with inflated scales. The plants are usually limited to the intertidal aone of coastal marshes. Species admitted to this complex are S. alterniflora of North and South iiaerica and Europe, foliosa. of the Pacific coast of North America, S. longispica of the region near the aouth of the River Plate in South America, marltima of lurope and Africa, S.' neyrautii of southwestern France and _S. townsepdii of England and France. Plants of the third complex are characterized by hard culms; nonspikelike panicles; usually spreading non-twisted spikes; aE,d hispid","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"1 1","pages":"471-574"},"PeriodicalIF":0.0,"publicationDate":"1953-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90063576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 222
The post-crisis in blood-induced Plasmodium lophurae infections in white Pekin ducks. 白北京鸭血源性lophurae感染危机后的研究。
Iowa State College journal of science Pub Date : 1949-04-01
E R BECKER, C E BRODINE, B L CLAPPISON
{"title":"The post-crisis in blood-induced Plasmodium lophurae infections in white Pekin ducks.","authors":"E R BECKER, C E BRODINE, B L CLAPPISON","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"23 3","pages":"237-47"},"PeriodicalIF":0.0,"publicationDate":"1949-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"27182799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Second supplementary list of parasitic fungi from Iowa. 第二份来自爱荷华州的寄生真菌补充清单。
Iowa State College journal of science Pub Date : 1949-04-01
J C GILMAN
{"title":"Second supplementary list of parasitic fungi from Iowa.","authors":"J C GILMAN","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"23 3","pages":"261-72"},"PeriodicalIF":0.0,"publicationDate":"1949-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"27182800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An improved high frequency conductimetric titration apparatus. 一种改进的高频电导滴定仪。
Iowa State College journal of science Pub Date : 1949-04-01
R J BEVER, C E CROUTHAMEL, H DIEHL
{"title":"An improved high frequency conductimetric titration apparatus.","authors":"R J BEVER, C E CROUTHAMEL, H DIEHL","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"23 3","pages":"289-96"},"PeriodicalIF":0.0,"publicationDate":"1949-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"27180306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信