A. volcanic eruptions B. erosion C. deposition of sediment D. weathering 相关知识点: 试题来源: 解析 C。解析:三角洲的形成主要是由于沉积物的沉积。选项 A 火山喷发与三角洲形成无关。选项 B 侵蚀不是三角洲形成的主要原因。选项 D 风化与三角洲形成关系不大。反馈...
Asymmetric synthesis of functionalized trans-2,6-disubstituted piperidines with N-sulfinyl delta-amino beta-ketoesters. Synthesis of (-)-lasubine I. Forsee ChemInformin Full Text. FA Davis,A Rao,PJ Carroll - 《ChemInform》 被引量: 193发表: 2004年 ...
The Luanhe River Delta is a delta plain built ' up by the action of rivers and sea waves together.Owing to the migrations of the distributary region sincethe Holocene Period five secondary delta depositional masses were formed during the Early Holocene, the Middle Holocene, the early historical...
A clear distinction between triggering and not triggering of a vehicle restraining mechanism, such as an airbag, is obtained by passing the measured acceleration of a vehicle through a low pass filter (FI) so that a trigger threshold ( DELTA vs) is generated dependent on the filtered accelerati...
Formation types of multiple steerable 1-trailer mobile robots via split-rejoin maneuversSummary: This paper considers the design of a motion planner that governs the motion of a flock of steerable 1-trailer nonholonomic robots, wherein ... K Raghuwaiya,S Singh - 《New Zealand Journal of Mathema...
3, 527.77 m, conglomeratic coarse-medium sandstone, medium sorting, intergranular argillaceous matrix accounting for about 4%, distributary channel; e-Well S102, 3759.95 m, very fine-fine grained sandstone, good sorting, low matrix content, a small amount of internal debris, beach-bar microfacies...
A Conjectural Generating Function for Numbers of Curves on Surfaces I give a conjectural generating function for the numbers of S-nodal curves in a linear system of dimension delta on an algebraic surface. It reproduces the... L G?Ttsche - 《Communications in Mathematical Physics》 被引量: ...
Sharp error bounds are calculated: we show that the rate of convergence is in general of order $\sqrt \delta $(δ is the time step), but in the case when there is no correlation between the signal and the observation for the Zakai equation, the order of convergence becomes δ. This ...
J. The synthetic phenotype of deltabamb deltabame double mutants results from a lethal jamming of the bam complex by the lipoprotein RcsF. mBio https://doi.org/10.1128/mBio.00662-19 (2019). Wall, E., Majdalani, N. & Gottesman, S. The complex Rcs regulatory cascade. Annu. Rev. ...
For TMA.SO2, the calculated N-S equilibrium distance is reduced dramatically, by 0.18 angstrom, in going from the Hartree-Fock level to the MP2 level of theory. The calculated enthalpies of complex formation (DELTA-H, 298 K) for... WW Ming,KB Wiberg - 《Journal of the American Chemical...