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81.
针对海洋数据格式与海洋信息应用系统的异构性,提出一种基于移动代码(Mobile code)的海洋大数据处理软件体系结构。首先,利用统一的网络服务接口与数据交换格式,规范海洋信息应用系统之间的数据访问与共享。其次,通过移动代码将海洋大数据的处理过程移至云端,提高信息处理效率。应用示例实现了异构海洋信息应用系统间的互操作,并且缩短了海量数据的处理时间,验证了该体系结构在海洋大数据处理中的通用性与有效性。 相似文献
82.
83.
The filling history of the Níspero deeply buried Lower Cretaceous carbonate reservoir (below 4000 m) from the south part of Gulf of Mexico was studied using a combination of data from petrography, stable isotopes and fluid inclusions and compared with a one-dimensional burial model to derive timing. 相似文献
84.
Rumpa Chakraborty 《地球物理与天体物理流体动力学》2013,107(5):481-496
The two-dimensional problem of the generation of water waves due to instantaneous disturbances prescribed at the bed of a beach sloping at an arbitrary angle is studied here. It is formulated in terms of an initial-boundary-value problem for the velocity potential describing the motion in the fluid region assuming the linear theory. Using the Laplace transform in time and the Mellin transform in distance, the problem is reduced to solving a difference equation whose method of solution is of considerable importance in the literature. The form of the free surface is obtained in terms of a multiple infinite integral that is evaluated by the method of steepest-descent. For some prescribed forms of the disturbance at the bed of the beach, the free surface is depicted in a number of figures for different beach angles. It is observed that as the beach angle decreases, the maximum wave height increases, which is plausible. 相似文献
85.
This study defines a chemical representation of the kerogen macromolecule based on data from physicochemical analyses. The model should permit: creation of various schematic drawings representing an average macromolecule; future integration of new analytical results (for instance on structures of biomarkers or biopolymers); and determination of the distribution of chemical bonds.The models developed in this study can be represented in a 3D space, using classical chemical symbols, in the form of cyclic groups linked to each other by aliphatic chains. One cyclic group is a connected set of aromatic, naphthenoaromatic or naphthenic rings. These cyclic groups are constructed using basic elements such as atoms and bonds defined by their length and direction.Modeling of kerogen is done in three successive steps. A library is first created to define atoms, bonds and cyclic groups. Secondly, starting from a set of equations describing the analytical results, cyclic and aliphatic groups are chosen in the appropriate stoechiometric amount to match the analytical data. Finally the construction is done: cyclic groups are placed randomly in a 3D space, connections are made by aliphatic chains, and functional groups are added.The molecular modeling software XmolTM can be operated on APOLLO stations. It allows the creation of libraries, the calculation of chemical bonds corresponding to the analyses and the construction of macromolecules. An example is given for a type III kerogen at the beginning of diagenesis. 相似文献
86.
潜水含水层井损计算方法探讨 总被引:1,自引:0,他引:1
本文根据潜水含水层稳定流多落程抽水试验所取得的△hw2~f(Q)关系曲线,推导出了潜水含水层中井损计算公式或并结合实例阐述了潜水含水层中稳定流抽水试验井损的计算方法;对利用稳定流抽水试验准确求解水文地质参数具有一定参考意义。 相似文献
87.
88.
Formation of methoxy (CH3O) radicals in the reaction (1) CH3O2+NOCH3O+NO2 at 298 K has been observed directly using time resolved LIF. The branching ratio % MathType!MTEF!2!1!+-% feaafeart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x% fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqOXdyMaae% 4qaiaabIeadaWgaaWcbaGaae4maaqabaGccaqGpbGaaeiiaiaabIca% ieqacaWF9aGaa8hiaiaa-nbicaWFGaGaeuiLdqKaai4waiaaboeaca% qGibWaaSbaaSqaaiaabodaaeqaaOGaae4taiaac2facaWFVaGaeuiL% dqKaai4waiaaboeacaqGibWaaSbaaSqaaiaabodaaeqaaOGaae4tam% aaBaaaleaacaqGYaaabeaakiaac2facaqGPaaaaa!4E31!\[\phi {\rm{CH}}_{\rm{3}} {\rm{O (}} = -- \Delta [{\rm{CH}}_{\rm{3}} {\rm{O}}]/\Delta [{\rm{CH}}_{\rm{3}} {\rm{O}}_{\rm{2}} ]{\rm{)}}\] has been determined by quantitative cw-UV-laser absorption at 257 nm of CH3O2 and CH3ONO, the product of the consecutive methoxy trapping reaction (2) % MathType!MTEF!2!1!+-% feaafeart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x% fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaae4qaiaabI% eadaWgaaWcbaGaae4maaqabaGccaqGpbacbeGaa83kaiaa-bcaieaa% caGFobGaa43taiaa+bcacaGFOaGaa83kaiaa+1eacaGFPaGaa4hiai% abgkziUkaabccacaqGdbGaaeisamaaBaaaleaacaqGZaaabeaakiaa% b+eacaqGGaGaaeOtaiaab+eacaqGGaGaa4hkaiaa-TcacaGFnbGaa4% xkaiaa+5cacaGFGaGaa4hiaiabeA8aMnaaBaaajqwaacqaaiaaboea% caqGibWaaSbaaKazcaiabaGaae4maaqabaqcKfaGaiaab+eaaSqaba% aaaa!55AC!\[{\rm{CH}}_{\rm{3}} {\rm{O}} + NO ( + M) \to {\rm{ CH}}_{\rm{3}} {\rm{O NO }}( + M). \phi _{{\rm{CH}}_{\rm{3}} {\rm{O}}} \] is found to be (1.0±0.2). The rate constant k
1 is (7±2) 10-12 cm3/molecule · s in good agreement with previous results. 相似文献
89.
本文对CRM-PCIPS物化探数据图像处理系统的需要分析、开发环境、系统结构、文件系统、设计编码、程序调试与测试方法做了概括的介绍,并从“软件工程学”的角度对该项开发工作的进程,成功经验与不足之处进行了全面的评述。 相似文献
90.
张清志 《沉积与特提斯地质》2001,21(2):23-30
卫星信号从GPS卫星发射到地面的过程中经过了以充满大气为介质的空间,电磁波在这种变化的介质中传播,其传播的方向、速度、强度都可能随时改变,本文简略地介绍了大气传播延迟的产生及其对GPS测量的影响,并就GAMIT软件对大气传播延迟的控制方法和所采用的改正模型做一简单介绍,并对减弱和消除大气传播延迟的方法和手段进行了讨论。 相似文献