نتایج جستجو برای: reciprocation
تعداد نتایج: 393 فیلتر نتایج به سال:
The use of reciprocating movement (RM) was claimed to increase the resistance of nickel-titanium (NiTi) file to fatigue in comparison to continuous rotation (CR). Recently two new brands of NiTi file have been marketed for use in a RM mode. The purpose of this study was to compare the cyclic fatigue resistance and torsional resistance of these two files; Reciproc and WaveOne. Cyclic fatigue tes...
Oncogenic mutations regulate signaling within both tumor cells and adjacent stromal cells. Here, we show that oncogenic KRAS (KRAS(G12D)) also regulates tumor cell signaling via stromal cells. By combining cell-specific proteome labeling with multivariate phosphoproteomics, we analyzed heterocellular KRAS(G12D) signaling in pancreatic ductal adenocarcinoma (PDA) cells. Tumor cell KRAS(G12D) eng...
When agents can significantly increase other agents’ utility at a moderate cost, the socially optimal outcome is for all agents to repeatedly provide favors to each other whenever they can. However, when agents cannot support or enforce a market system, this forms a situation similar to the repeated prisoner’s dilemma because each agent can unilaterally improve its own utility by refusing to he...
Project governance is traditionally associated with aspects such as directing, controlling or holding to account. However, the good principle of fairness has long been neglected. This paper investigates project through theoretical lens organisational justice, which concerned perception in working environment and theoretically introduces concept fair governance. A single holistic case study prov...
a r t i c l e i n f o To explain the high level of altruism among unrelated friends, some people propose that friends may apply the feeling and emotions that underlie kin-selected nepotism to each other. Alternatively, altruism among friends may be sustained by an evolved psychology that is sensitive to the dynamic of contingent reciprocity. A recent study (Stewart-Williams, S., 2007. Altruism ...
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