A photo finish

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Start Finish

Many real-world planning problems require generating plans that maximize the parallelism inherent in a problem. There are a number of partial-order planners that generate such plans; however, in most of these planners it is unclear under what conditions the resulting plans will be correct and whether the planner can even nd a plan if one exists. This paper identiies the underlying assumptions a...

متن کامل

Surface Finish

Q.1. What factors govern the selection of a particular cleaning process for metallic surfaces Ans. Selection of cleaning process is mainly influenced by (a) Type of contaminants (b) Degree of cleanliness required (c) Composition of metal (d) Condition of metal (e) Thickness of rust and scale (f) Allowable metal loss (g) Surface finish tolerances (h) Shape and size of workpieces (i) Production r...

متن کامل

Earliest Finish Time Earliest Finish Time Worst Case Best Case Latest Finish Time Best Case Latest Finish Time Worst Case Duration Activity Activity

In this paper, we present a novel technique for modeling, checking, and enforcing temporal constraints in workkow processes containing conditionally executed activities. Existing workkow time model-ing proposals either do not discriminate between time constraints that apply to disparate execution paths, or they treat every execution path independently. Consequently, superruous time constraint v...

متن کامل

Crossing the Finish Line: A Review Article

Human capital production in the U.S. economy is no longer what it used to be. Graduation rates for high school and college have fallen (Card and Lemieux 2001; Heckman and Lafontaine 2007). As a result, the rate of growth of the stock of human capital has slowed considerably (Goldin and Katz 2008). At the same time, other countries are improving their educational attainment. Although the United ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nature Chemistry

سال: 2011

ISSN: 1755-4330,1755-4349

DOI: 10.1038/nchem.1235