نتایج جستجو برای: gain through marker
تعداد نتایج: 1606560 فیلتر نتایج به سال:
Missense mutations in the p53 tumor suppressor inactivate its antiproliferative properties but can also promote metastasis through a gain-of-function activity. We show that sustained expression of mutant p53 is required to maintain the prometastatic phenotype of a murine model of pancreatic cancer, a highly metastatic disease that frequently displays p53 mutations. Transcriptional profiling and...
Many agriculturally important traits are complex, affected by many genes and the environment. Quantitative trait loci (QTL) mapping is a key tool for studying the genetic structure of complex traits in plants. In the present study QTLs associated with yield and agronomical traits such as leaf number, leaf length, leaf width, plant height, stem and head diameter were identified by using 70 recom...
The applicability ofRaman amplification to the problem ofhigh-power laser propagation through a turbulent atmosphere was investigated in a two-part experimental program. The goal of the program wasto determine the extent ofphasefront preservation possible in a high-gain Raman amplifier. The utility ofan unconventional approach to adaptiveoptics compensation, known as "Raman look-through," was e...
Time division duplex systems, in a convenient way, facilitates the implementation of asymmetrical links required to efficiently handle the increasingly asymmetric traffic offered by current and future wireless applications. If boundaries between uplink and downlink time-slots are not synchronized among cells, e.g. when different asymmetries are required in different cells, inter-base station (I...
We generalise the optimisation technique of dynamic programming for discrete-time systems with an uncertain gain function. The main objective in optimal control is to find out how a system can be influenced, or controlled, in such a way that it its behaviour satisfies certain requirements, while at the same time maximising a given gain function. A very effective method for solving such problems...
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