Institution

# ExxonMobil

Company•Irving, Texas, United States•

About: ExxonMobil is a(n) company organization based out in Irving, Texas, United States. It is known for research contribution in the topic(s): Catalysis & Polymerization. The organization has 16969 authors who have published 23758 publication(s) receiving 535713 citation(s). The organization is also known as: Exxon Mobil Corporation & Exxon Mobil Corp..

Topics: Catalysis, Polymerization, Polymer, Hydrocarbon, Alkyl

##### Papers published on a yearly basis

##### Papers

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31 Jan 1986

TL;DR: Numerical Recipes: The Art of Scientific Computing as discussed by the authors is a complete text and reference book on scientific computing with over 100 new routines (now well over 300 in all), plus upgraded versions of many of the original routines, with many new topics presented at the same accessible level.

Abstract: From the Publisher:
This is the revised and greatly expanded Second Edition of the hugely popular Numerical Recipes: The Art of Scientific Computing. The product of a unique collaboration among four leading scientists in academic research and industry, Numerical Recipes is a complete text and reference book on scientific computing. In a self-contained manner it proceeds from mathematical and theoretical considerations to actual practical computer routines. With over 100 new routines (now well over 300 in all), plus upgraded versions of many of the original routines, this book is more than ever the most practical, comprehensive handbook of scientific computing available today. The book retains the informal, easy-to-read style that made the first edition so popular, with many new topics presented at the same accessible level. In addition, some sections of more advanced material have been introduced, set off in small type from the main body of the text. Numerical Recipes is an ideal textbook for scientists and engineers and an indispensable reference for anyone who works in scientific computing. Highlights of the new material include a new chapter on integral equations and inverse methods; multigrid methods for solving partial differential equations; improved random number routines; wavelet transforms; the statistical bootstrap method; a new chapter on "less-numerical" algorithms including compression coding and arbitrary precision arithmetic; band diagonal linear systems; linear algebra on sparse matrices; Cholesky and QR decomposition; calculation of numerical derivatives; Pade approximants, and rational Chebyshev approximation; new special functions; Monte Carlo integration in high-dimensional spaces; globally convergent methods for sets of nonlinear equations; an expanded chapter on fast Fourier methods; spectral analysis on unevenly sampled data; Savitzky-Golay smoothing filters; and two-dimensional Kolmogorov-Smirnoff tests. All this is in addition to material on such basic top

12,656 citations

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16 Dec 2004

TL;DR: The second edition of The Biomarker Guide as mentioned in this paper provides a comprehensive account of the role that biomarker technology plays both in petroleum exploration and in understanding Earth history and processes.

Abstract: The second edition of The Biomarker Guide is a fully updated and expanded version of this essential reference. Now in two volumes, it provides a comprehensive account of the role that biomarker technology plays both in petroleum exploration and in understanding Earth history and processes. Biomarkers and Isotopes in the Environment and Human History details the origins of biomarkers and introduces basic chemical principles relevant to their study. It discusses analytical techniques, and applications of biomarkers to environmental and archaeological problems. The Biomarker Guide is an invaluable resource for geologists, petroleum geochemists, biogeochemists, environmental scientists and archaeologists.

2,038 citations

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TL;DR: It is shown how various well-known asymptotic power laws in S(q) are obtained from the above theory, and the theory is compared with experimental results on x-ray scattering from a polished Pyrex glass surface.

Abstract: The scattering of x rays and neutrons from rough surfaces is calculated. It is split into specular reflection and diffuse scattering terms. These are calculated in the first Born approximation, and explicit expressions are given for surfaces whose roughness can be described as self-affine over finite length scales. Expressions are also given for scattering from liquid surfaces, where it is shown that ``specular'' reflections only exist by virtue of a finite length cutoff to the mean-square height fluctuations. Expressions are also given for the scattering from randomly oriented surfaces, as studied in a typical small-angle scattering experiment. It is shown how various well-known asymptotic power laws in S(q) are obtained from the above theory. The distorted-wave Born approximation is next used to treat the case where the scattering is large (e.g., near the critical angle for total external reflection), and its limits of validity are discussed. Finally, the theory is compared with experimental results on x-ray scattering from a polished Pyrex glass surface.

1,963 citations

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[...]

ExxonMobil

^{1}TL;DR: An efficient and general algorithm for simulating polymers, which can be used for single, large chains as well as many-chain systems, and confirmed two theoretical results, namely the anomalous behavior of S(q) for rings and the ${t}^{0.54}$ power law for the motion of a monomer in a self-avoiding chain undergoing Rouse relaxation.

Abstract: We describe an efficient and general algorithm for simulating polymers, which can be used for single, large chains as well as many-chain systems. It allows us to distinguish solvent effects from interchain effects on the dynamics of the chains. The method is tested for linear and cyclic chains of 50 to 200 monomers. We have confirmed two theoretical results which have not been observed numerically or experimentally, namely the anomalous behavior of S(q) for rings and the ${t}^{0.54}$ power law for the motion of a monomer in a self-avoiding chain undergoing Rouse relaxation.

1,381 citations

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TL;DR: In this article, the authors show that diffusion-limited aggregation has no upper critical dimension and apply scale invariance to study growth, gelation, and the structure factor of aggregates.

Abstract: Diffusion-limited aggregation (DLA) is an idealization of the process by which matter irreversibly combines to form dust, soot, dendrites, and other random objects in the case where the rate-limiting step is diffusion of matter to the aggregate. We study the process from several points of view stressing the fact that it apparently gives rise to scale-invariant objects whose Hausdorff dimension is independent of short-range details. We show that DLA has no upper critical dimension. We apply scale invariance to study growth, gelation, and the structure factor of aggregates.

1,338 citations

##### Authors

Showing all 16969 results

Name | H-index | Papers | Citations |
---|---|---|---|

David A. Weitz | 178 | 1038 | 114182 |

Avelino Corma | 134 | 1049 | 89095 |

Peter Hall | 132 | 1640 | 85019 |

James A. Dumesic | 118 | 615 | 58935 |

Robert H. Crabtree | 113 | 678 | 48634 |

Costas M. Soukoulis | 108 | 644 | 50208 |

Nicholas J. Turro | 104 | 1131 | 53827 |

Edwin L. Thomas | 104 | 606 | 40819 |

Israel E. Wachs | 103 | 427 | 32029 |

Andrew I. Cooper | 99 | 389 | 34700 |

Michael J. Zaworotko | 97 | 519 | 44441 |

Enrique Iglesia | 96 | 416 | 31934 |

Yves J. Chabal | 94 | 519 | 33820 |

George E. Gehrels | 92 | 454 | 30560 |

Ping Sheng | 90 | 593 | 37141 |