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浏览/检索结果: 共14条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 HSP70A promotes the photosynthetic activity of marine diatom Phaeodactylum tricornutum under high temperature 期刊论文  OAI收割 PLANT JOURNAL, 2024, 页码: 9 作者:  Yang, Wenting;  Gao, Shan;  Bao, Mengjiao;  Li, Xin;  Liu, Zhiyuan   |  收藏  |  浏览/下载：19/0  |  提交时间：2024/06/04 Phaeodactylum tricornutum  HSP70A  high-temperature stress  photosynthetic activity   1950—2020年东北地区林地时空变化特征分析 期刊论文  OAI收割 地理科学, 2022, 卷号: 42, 期号: 11, 页码: 1996-2005 作者:  杨绪红;  金晓斌;  杨永可;  薛樵风;  刘荣高   |  收藏  |  浏览/下载：40/0  |  提交时间：2022/12/01 林地变化  地形图  立地条件  东北地区  70 a   Reflection and transmission of the incident wave due to impurities in the bead chain 期刊论文  OAI收割 INDIAN JOURNAL OF PHYSICS, 2020, 卷号: 94, 期号: 8, 页码: 1249-1253 作者:  Du, W. Q.;  Yang, Y. Y.;  Han, J. F.;  Duan, W. S.   |  收藏  |  浏览/下载：14/0  |  提交时间：2022/01/12 Granular  Impurity number  Impurity segments  Reflection  Transmission  45  05  +x  05  45  -a  45  70  -n   海湾扇贝耐热相关热休克蛋白70基因标记及其辅助育种方法 专利  OAI收割 专利类型: 发明, 专利号: CN201210083055.4, 申请日期: 2013-10-23, 公开日期: 2013-10-23 宋林生; 杨传燕; 王玲玲; 邱丽梅; 张峘; 周智 收藏  |  浏览/下载：30/0  |  提交时间：2014/08/04 一种海湾扇贝耐热相关热休克蛋白70基因标记  其特征在于：海湾扇贝耐热相关热休克蛋白70基因标记为序列表SEQ ID No.1碱基序列所示  起始密码子上游第83个碱基A  第408个碱基T  第480个碱基A  第967个碱基G  第999个碱基C  第1107个碱基T  第1108个碱基A和第1248个碱基A为抗热基因位点。   抗2型糖尿病药物“海普诺”的化学全合成方法 专利  OAI收割 专利类型: 发明, 专利号: CN200910017839.5, 申请日期: 2011-03-23, 公开日期: 2011-03-23 史大永; 郭书举; 李敬 收藏  |  浏览/下载：24/0  |  提交时间：2014/08/04 一种抗2型糖尿病药物“海普诺”的化学全合成方法  (b)碘甲烷与化合物2摩尔比为1∶1～1∶1.5  (c)80％水合肼  (d)溴素与化合物3摩尔比为2∶1～3∶1  (e)硼氢化钠与化合物5摩尔比为1∶4～1∶3  (f)三氯化铝：化合物4：化合物6摩尔比为1∶1∶1  (g)N?溴代丁二酰亚胺与化合物7摩尔比为1.1∶1  (h)碳酸钾  (i)三溴化硼与化合物8摩尔比为6∶1～8∶1  (j)95％的乙醇  其特征在于：所述的化合物合成路线为：(a)溴素与化合物1摩尔比为1∶1  碳酸钾  氢氧化钾  乙酸  甲醇  二氯甲烷  催化剂  1  二氯甲烷  85％磷酸  甲醇  N  二甘醇  60～70℃  冰水浴  室温  四氯化碳  4?二氧六环与水体积比为1∶1  0℃  70～80℃。F2009100178395C0000011.tif  冰水浴  N?二甲基甲酰胺  110～120℃  光照  90～100℃  室温   Observations and analysis of extreme ultraviolet emission between 10nm and 70nm by capillary discharge with Xe as target (EI CONFERENCE) 会议论文  OAI收割 2011 Academic International Symposium on Optoelectronics and Microelectronics Technology, AISOMT 2011, October 12, 2011 - October 16, 2011, Harbin, China 作者:  Yang L.;  Yang L. 收藏  |  浏览/下载：18/0  |  提交时间：2013/03/25 Spectra have been recorded from a Xe discharge capillary discharge source in the extreme ultraviolet (EUV) region between 10nm and 70nm. The origin of the spectra have been analyzed  which have shown that the spectra between 10nm and 20nm come from the transitions of 4p-4d  4d-4f and 4d-5p by Xe 7+Xe12+  and the spectra between 20nm70nm mainly from the transitions of Xe6+Xe8+ as well. The results which have been integrated the experimental results with the theory have shown that the spectra from Xe6+Xe8+ formed in the time after the collapsed of the compressing of the plasma. 2011 IEEE.   Application of precision harmonic gear drive in focusing mechanism of space camera (EI CONFERENCE) 会议论文  OAI收割 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Smart Structures and Materials in Manufacturing and Testing, April 26, 2010 - April 29, 2010, Dalian, China 作者:  Zhang X.;  Zhang X.;  Zhang X. 收藏  |  浏览/下载：26/0  |  提交时间：2013/03/25 A kind of precision harmonic gear drive in the focusing mechanism of space camera is studied  which adopt external meshing complex wave transmission mode. Wave generator is combined with an elliptic cam and a flexible bearing around it. Flexspline is a structure of single wave with the same teeth. The output shaft is supported by a single cross-roller bearing. Ball screws connected the output shaft translate the rotational motion to the linear motion  and drive the focusing mirror repeated moving along the linear guide. The output rigid wheel is connected with absolute encoder to detect displacement of focusing movement. It has the characteristics of big transmission ratio  high precision  compact structure  high efficiency and smooth running etc. According to the practical application of this harmonic gear drive in the space camera  the location relationship between the displacement of focusing structure and the focal plane movement is derived  and the system error is analyzed  its accuracy is tested with the open-loop control method. Experimental results show that transmission ratio of the instrument is 1:70  repeated positional accuracy is 2m  which meet the requirements for use. 2010 SPIE.   一种溴酚类PTP1B抑制剂的化学合成方法 专利  OAI收割 专利类型: 发明, 专利号: CN200810016801.1, 申请日期: 2009-12-09, 公开日期: 2009-12-09 史大永; 李敬; 韩丽君; 郭书举; 袁毅 收藏  |  浏览/下载：33/0  |  提交时间：2014/08/04 1.一种溴酚类PTP1B抑制剂的化学合成方法  (b)溴素(溴素∶化合物3摩尔比＝2∶1)  (c)溴素(溴素∶化合物4摩尔比＝4∶1)  (d)三氟乙酸  (e)三溴化硼  其特征在于：所述的化合物合成路线为：Scheme 1(a)多聚磷酸  乙酸  三氯化铝  三乙基硅烷  二氯甲烷  75～85℃  室温  乙酸  室温  室温。  50～70min  75～85℃   Design of the infrared dual-band athermalized optical system based on HDE (EI CONFERENCE) 会议论文  OAI收割 International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, June 17, 2009 - June 19, 2009, Beijing, China 作者:  Zhang L.;  Sun Q.;  Wang H.;  Wang H.;  Wang H. 收藏  |  浏览/下载：97/0  |  提交时间：2013/03/25 A dual-band infrared optical system adopting an uncooled LW infrared detector and a cooled MW infrared detector is designed and manufactured  while in the LW IR band the F/# is 1 and the focal length is 114 mm  based on the athermal ability and special diffractive properties of harmonic diffractive elements. The design shows in the MW IR band the F/# is 2 and the focal length is 72 mm  for the temperature range -40 70 the MTF value is over 0.5 at 10 lp/mm. Finite element method is applied to the opto-mechanic structure of the system for thermal analysis  for the temperature range -40C 70C the MTF value is over 0.4 at 20 lp/mm  which confirms the imaging ability of the system in a wide temperature range. 2009 SPIE.   Seismic analysis of 70 Ophiuchi A: A new quantity proposed 期刊论文  OAI收割 NEW ASTRONOMY, 2008, 卷号: 13, 期号: 8, 页码: 541-548 作者:  Tang YK(唐延柯);  Bi SL(毕少兰);  Gai N(盖宁) 收藏  |  浏览/下载：22/0  |  提交时间：2016/04/07 stars : oscillations  stars : evolution  stars : individual : 70 Ophiuchi A