The Wife's Contribution to Family Income

A contribution to the knowledge of family Chalcididae (Hymenoptera: Chalcidoidea) in Iran

در طی این تحقیق، تعداد گونه‌های گزارش شده از زنبورهای خانواده‌ی ‍Chalcididae از ایران به 42 گونه (شامل یک گونه‌ی شناسایی نشده از جنس Lasiochalcidia Masi) افزایش پیدا کرد که از این تعداد، 15 گونه و چهار جنس برای اولین بار از ایران گزارش می‌شوند. خانواده‌ی ‍Chalcididae در ایران با سه زیرخانواده به شرح زیر شناخته می‌شود: Chalcidinae (با 16 گونه)، Dirhininae (با دو گونه) و Haltichellinae (با 24 گون...

The Wide Field Spectrograph ( WiFeS )

This paper describes the Wide Field Spectrograph (WiFeS) under construction at the Research School of Astronomy and Astrophysics (RSAA) of the Australian National University (ANU) for the ANU 2.3m telescope at the Siding Spring Observatory. WiFeS is a powerful integral field, double-beam, concentric, image-slicing spectrograph designed to deliver excellent thoughput, wavelength stability, spect...

contribution of setting to the study of characters and the main idea in e. brontes: wuthering heights and t. hardys: return of the native.

this thesis aims to adduce an unmitigated and comprehensive explication concerning the relationship of three significant elements of fiction: setting, chracter and theme. my research is basically placed on two outstanding novels of the 19th century: emily brontes wuthering heights and thomas hardys return of the native. my endeavour lies in studying the correlation among the three above-mention...

A Contribution to the Theory of Optimal Utilitarian Income Taxation

The paper provides a new proof of the positivity of the optimal marginal income tax, in a more general model, under weaker assumptions. The analysis focusses on the (weakly) relaxed problem in which upward incentive constraints are replaced by a monotonicity condition on consumption. Without upward incentive constraints, nonnegativity of the optimal marginal income tax is straightforward; stric...

Adolescents ’ intelligence is related to family income