Polarization controllers (PCs) are indispensable passive components for state of polarization (SOP) control in optical fiber communication systems.
In Denmark, a society-centered and bottom-up perspective is the predominant, which sees (pre)existing cultural homogeneity as indispensable for the welfare state and maintains a 'populist' view of political sovereignty, where politicians should respond to, and respect the people, and where legislation to a lesser extent reflects preparatory commissions and expert advice (Jensen, 2014).
While recognising bureaucracy as the most efficient form of organisation and even indispensable for the modern state, Weber also saw it as a threat to individual freedoms and the ongoing bureaucratisation as leading to a "polar night of icy darkness", in which increasing rationalisation of human life traps individuals in the aforementioned "iron cage" of bureaucratic, rule-based, rational control.
Thus, the Tsc1 Tsc2 complex in mouse oocytes is indispensable for sustaining the dormant state of primordial follicles.
"The balance struck by the [DOJ memo] has been indispensable ― providing the necessary framework for state regulatory programs centered on public safety and health protections".
Once, transplanted Midwesterners made this an indispensable state for Republican presidential candidates.
Cellular quiescence is thought to be an indispensable state for the maintenance of lymphocyte homeostasis following immune response, and therefore it is an important barrier against tumorigenesis [ 46- 48].
In some cases, before specific development projects or programs can succeed, aid is needed to help countries build the institutions that are indispensable for the functioning of nation-states.
However, lung transplantation morbidity and mortality rates remain elevated, and early postoperative state care is indispensable for a positive outcome.
In SCR system, input states may be indispensable for onboard diagnostic strategy.
