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苏南平原稻田灌排水系统中氮磷平衡状况

土壤学报 2008年第4期45卷 657-662页

作者：张静王德建王灿中国科学院南京土壤研究所常熟农业生态国家实验站

应用大型原状模拟土柱，对苏南平原典型稻田灌排水系统中，养分的输入输出平衡状况进行定位监测和分析。初步结果表明：稻田生态系统每季水分消耗量在890-13.0}mm之间。稻田能净化灌溉水中养分，不同施肥处理稻田对NH4^＋-N、NO3.--N和T... 详细信息

应用大型原状模拟土柱，对苏南平原典型稻田灌排水系统中，养分的输入输出平衡状况进行定位监测和分析。初步结果表明：稻田生态系统每季水分消耗量在890-13.0}mm之间。稻田能净化灌溉水中养分，不同施肥处理稻田对NH4^＋-N、NO3.--N和TP的净化量分别为10．7-12.3.6．8-9．2.-1．2.2.0kg hm^-2.稻田养分淋溶量随着施肥量的增加而增加，但养分净化量与化肥用量之间没有很好的相关性，秸秆对养分净化量的影响不明显，而猪粪明显降低了稻田养分净化量，甚至成为周围水体磷素污染源。稻田对灌溉水中的NH4^＋-N在整个水稻生长期间均起到净化作用，对NO3.--N在水稻生长初期有淋溶风险，而对TP，除了猪粪处理，稻田均呈现出净化作用。

关键词：稻田灌排水养分平衡养分净化苏南平原

Differential interformational velocity analysis as an effective direct hydrocarbon indicator under velocity reversal conditions,an example from the anomalously high temperature and over-pressured DF1-1 Gas Field in the Yinggehai Basin,South china Sea

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Petroleum Science 2009年第4期6卷 339-346页

作者： Zhu Hongtao Liu Keyu Chen Kaiyuan Li Min Huang Shengbing Key Laboratory of Tectonics and Petroleum Resources of the Ministry of Education China University of GeosciencesWuhanHubei 430074China CSIRO Petroleum P.O.Box 1130BentleyWA 6102Australia school of Energy Resources China University of GeosciencesBeijing 100083China

In the DF1-1 Gas Field in the Yinggehai Basin, South china Sea, the velocity-depth plot and velocity spectra show significant variations from a linear trend, exhibiting a distinct reversal phenomenon. Velocity parameters derived from velocity spectral analysis of the seismic data and sonic logs indicate that the interval velocity reverses below 2.100 m (2.2.s two-way time (TWT)) in the DF1-1 Gas Field. Some direct hydrocarbon indicators (DHIs) models developed for the shallow strata cannot be simply applied to the moderately to deeply buried strata for direct exploration target recognition because the velocity reversal has caused the middle-deep gas reservoirs to exhibit a moderate or weak seismic amplitude. The hydrocarbon indicator method of “Differential Interformational Velocity Analysis (DIVA)” with the aid of other hydrocarbon indicating techniques was employed to effectively identify DHIs in the middle-deep strata under velocity inversion. The result has shown that the DIVA technique can be effectively used as a DHI in both the shallow and the middle-deep strata in the study area with the shallow strata characterized by Type I DIVA anomaly and the middle-deep strata characterized by the Type II DIVA anomaly.

关键词： DF1-1 Gas Field velocity reversal direct hydrocarbon indicator differential interformational velocity analysis South china Sea

Panoramic Aerial Camera Image Motion Measurement Using a Hybrid System

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Panoramic Aerial Camera Image Motion Measurement Using a Hyb...

Inheritance of Resistance to SMV3.and Identification of RAPD Marker Linked to the Resistant Gene in Soybean

2.10 3.d IEEE International Conference on Computer Science and Information Technology—ICCSIT 2.10

作者： Gang Li Changchun Institute of Optics, Fine Mechanics and Physics, chinese academy of {2., Changchun,{3. Graduate University of chinese academy of {2. beijing,{3. Ping Jia Changchun Institute of Optics, Fine Mechanics and Physics, chinese academy of {2. Changchun,{3.

Image motion compensation is significantly important for aerial camera photograph. To execute the compensation, we must determine the image motion exactly. This paper proposes a method of real-time image motion measurement for panoramic aerial cameras based on image processing using a hybrid system. Two cameras are simultaneously used in the hybrid system. One main linear CCD for imaging, while the other auxiliary low resolution high frame rate area CCD for determining the image motion based on 2. spatial correlation. The demanding computational requirements for the real-time 2. spatial correlation are covered by a joint transform optical correlator. Simulation test results show that the accuracy is improved and the measurement error is within 0.2.pixels for input images with SNR=1 dB.

关键词： image motion panoramic aerial camera joint transform correlation

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Agricultural sciences in china 2002年第3期1卷 245-250页

作者： ZHENG Cui-ming, CHANG Ru-zhen and QIU Li-juan(Institute of Crop Germplasm Resources , chinese academy of Agricultural {2. , {3. 100081 ) Institute of Crop Germplasm Resources Chinese Academy of Agricultural Sciences Beijing 100081

One SMV resistant soybean line (95-53.3. was crossed with four susceptible soybean varieties/ line (HB1, Tiefeng2., Amsoy, Williams) and one resistant introduced line PI4863.5. Their F, and F2.individuals were identified for SMV resistance by inoculation with SMV3. The results showed that in the four crosses of resistant X susceptible, F1 were susceptible and the ratio of F2.populations was 1 resistant : 3.susceptible (mosaic and necrosis), indicating that 95-53.3.carries one recessive gene that confer resistance to SMV3. There is segregation of susceptibility in F2.progenies from the cross of 95-53.3.X PI4863.5, indicating that the SMV3.resistant gene in 95-53.3.is located at different locus from PI4863.5. By bulked segregating analysis (BSA) in F2.populations of 95-53.3.X HB1, one codominant RAPD marker OPN11980/1070 closely linked to SMV3.resistance gene amplified with RAPD primer OPN11 was identified. The DNA fragment OPNll980 was amplified in resistant parent 95-53.3.and resistant bulk, and OPN111070 was amplified in susceptible parent HB1 and susceptible bulk. OPNll980/1070 was amplified in F,. Identification of the markers in F2.plants showed that the codominant marker OPNll980/1070 is closely linked to the SMV resistance locus in 95-53.3. with genetic distance of 2.1cM.

关键词： Soybean SMV RAPD marker Inheritance of resistance

THE FUNCTION OF CAMP SIGNALING PATHWAY IN THE MATURATION OF HARD CLAM MERCENARIA MERCENARIA OOCYTES

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THE FUNCTION OF CAMP SIGNALING PATHWAY IN THE MATURATION OF ...

利用焦化工艺处理废塑料技术研究 Ⅰ.热天平与10g固定床实验

Ⅸ International Congress on Medical and Applied Malacology

作者： Tao Zhang~1 Qing Wang~(1 2. Hongsheng Yang~1 Fusui Zhang~1 1 Institute of Oceanology chinese academy of {2. Qingdao 2.6071 1 2.the Graduate school of chinese academy of {2. beijing 100049

＜正＞To identify the function of cAMP signaling pathway in the maturation of hard clam oocytes induced by 5-HT,oocytes of hard clam were treated with several modulators of transducers in *** showed that 0.01-100μM 5-HT can induce the maturation of hard clam oocytes remarkably,and the GVBD rate was about 70% after an hour induced by each

关键词： hard clam oocyte maturation cAMP signaling pathway GVBD 5-HT

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燃料化学学报 2004年第1期32卷 23-26页

作者：余广炜廖洪强钱凯李保庆蔡九菊李东涛东北大学国家环保生态工业重点实验室辽宁沈阳110004 首钢技术研究院北京100041 中国科学院山西煤炭化学研究所煤转化国家重点实验室山西太原030001

利用热天平和10g固定床反应器分别考察了北京市生活垃圾中的废塑料与首钢炼焦配煤的热失重特性及热解产物分布规律。实验研究表明,首钢炼焦配煤主要热分解温度区域为3.0℃～750℃,北京市废塑料主要热分解温度区域为3.0℃～550℃,二者在... 详细信息

利用热天平和10g固定床反应器分别考察了北京市生活垃圾中的废塑料与首钢炼焦配煤的热失重特性及热解产物分布规律。实验研究表明,首钢炼焦配煤主要热分解温度区域为3.0℃～750℃,北京市废塑料主要热分解温度区域为3.0℃～550℃,二者在相互重叠的失重温度区间产生"协同效应",且在一定配比范围内,共热解产物出现"增油减水"现象。首次提出了协同效应强度的概念及其计算式:βi=(Wm-ΣnWj×100和Wj)/Σnj=1j=1βT=Σ｜αiβi｜,并得出废塑料的添加量为1%时,协同效应强度最大。

关键词：废塑料煤焦化

0.7Pb(Mg1/3.b2.3.O3.0.3.bTiO3.晶/环氧树脂1-3.复合材料的压电性能研究

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物理学报 2008年第7期57卷 4552-4557页

作者：周丹罗来慧王飞飞贾艳敏赵祥永罗豪甦中国科学院上海硅酸盐研究所高性能陶瓷和超微结构国家重点实验室

模拟了0.7Pb(Mg1/3.b2.3.O3.0.3.bTiO3.PMN-0.3.T)单晶1-3.压电复合材料的性能与单晶体积分数的关系,得出性能最优时压电相的体积分数为64%,在这一体积分数下,采用切割-填充法,并使用了不同类型的环氧树脂填充制备复合材料.系统地研究... 详细信息

模拟了0.7Pb(Mg1/3.b2.3.O3.0.3.bTiO3.PMN-0.3.T)单晶1-3.压电复合材料的性能与单晶体积分数的关系,得出性能最优时压电相的体积分数为64%,在这一体积分数下,采用切割-填充法,并使用了不同类型的环氧树脂填充制备复合材料.系统地研究了聚合物相对复合材料性能的影响,研究表明,减小聚合物相的刚度系数c和密度ρ有利于提高复合材料的性能,且聚合物相与压电相的结合强度对性能的影响非常明显,制备的PMN-0.3.T单晶1-3.复合材料的厚度伸缩机电耦合系数kt高达90.1%,压电系数d3.大于1000pC/N,机械品质因数Qm为10.3.,声阻抗Z也大大降低,性能明显优于传统的Pb(ZrxTi1-x)O3.PZT)陶瓷及其1-3.合材料,在压电换能器和传感器中显示出广阔的前景.

关键词： PMN-PT单晶压电复合材料压电相聚合物相

High-order time discretizations in seismic modeling

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High-order time discretizations in seismic modeling

中国科学院地质与地球物理研究所2.07学术年会

作者： Jing-Bo Chen chinese academy of {2.,Institute of Geology and Geophysics,{3.,china.

Seismic modeling plays an important role in exploration ***-order modeling schemes are in demand for practical *** this context,Ⅰpresent three kinds of high-order time discretizations:Lax-Wendroff methods,Nystrom methods,and splitting ***-Wendroff methods are based on the Taylor expansion and the replacement of high-order temporal derivatives by spatial derivatives,Nystr(o|¨)m methods are simplified Runge-Kutta algorithms,and splitting methods comprise substeps for onestep *** on these methods,three schemes with third-order and fourth-order accuracy in time and pseudospectral discretizations in space are presented.I also compare their accuracy,stability,and computational complexity, and discuss advantages and shortcomings of these algorithms. Numerical experiments show that the fourth-order Lax-Wendroff scheme is more efficient for short-time simulations while the fourth-order Nystr(o|¨)m scheme and the thirdorder splitting scheme are more efficient for long-term computations.

关键词：

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小黑麦抗真菌蛋白组分的分离纯化和性质研究

生物工程学报 2002年第5期18卷 561-565页

作者：那冰余明琨龚隽吴襟中国科技大学研究生院北京100039 中国科学院微生物研究所北京100080

以木霉为指示菌 ,小黑麦中饲 2.3.种子中的蛋白提取物经过分离纯化后 ,得到了 3.主要的抗真菌蛋白组分 ,经酶活检测鉴定 ,分别是分子量为 3. .5kD的ClassⅡ型几丁质酶 ,两种分子量为 5 1kD和 2.3.D的 β 1,3.葡聚糖酶。其中几丁质酶的... 详细信息

以木霉为指示菌 ,小黑麦中饲 2.3.种子中的蛋白提取物经过分离纯化后 ,得到了 3.主要的抗真菌蛋白组分 ,经酶活检测鉴定 ,分别是分子量为 3. .5kD的ClassⅡ型几丁质酶 ,两种分子量为 5 1kD和 2.3.D的 β 1,3.葡聚糖酶。其中几丁质酶的最适反应pH为 6 0 ,最适反应温度为 3.℃ ,测定的N 末端氨基酸序列与大麦几丁质酶的有很高的同源性。在一定条件下 ,这 3.蛋白组分都有较强的抗木霉活性 ,并且有明显的协同作用。

关键词：小黑麦抗真菌蛋白组分分离纯化性质几丁质酶 β-1,3.葡聚糖酶