9058009165

RADIOTECHNIKA I ELEKTRONIKA

-No 9, 1957-

N. F. Kupchlnov and V. A. Malyahev: Retardatłon of Electrons ln a TWT........ 1573

L. M. Rogalya: Dependence of the Secondary Electron Emiaalon Coefflcient on tbe

Energy of Primary Electrons ................................. 1675

V. I. Salin and L. A. Serebrov: Charging of Thin MGF2 Filras with Electrons of

Average Energy ......................................... 1577

L. A. Serebrov and V. L. Shraulevich: Ma Her Eralssłon of Thin MgFg Fllms ..... 1580

V. A. GorokhoY: Translator Effect in Thyrlators........................ 1583

V. I. Strikha: The Efflclency of Semiconduotor Mlcrowave Dlodes in the Case of

Depletion of the Roctlfylng Contact.............................. 1588

A. K. 8tolyarov: Nonreciprocal Pbenomena ln a Strip Lin# Fllled with Ferrite ....    1689

EDHOR'8 NOTĘ

With the exceptlon of certaln trlgonometrtc and hypertwllc fu Dotlona, Sovlet mathematlcal aymbola ara tbe aame aa those enoountered ln tbe American ltterature. For tbe roader'a conrenienoe a list of noh ezoeptlona and tbelr American equtvmleota ta ftven below.
SoYiet Uaage	American equltaleat
Arch	OOth*!
Arth	coth-I (ctnh^-1)
Arab	aiA-^1
Arth	tanh*I
arcooe	ooe^-1 (aro ooa)
arootg	oot^-1 (aro oot)
a ronin	aln-1 (aro ala)
arctf	tan-^1 (aro taa)
ab	ooab
ooaac	000
Otf	oot(ota)
otb	ootb (ctnh)
rot	ourl
ach	a ech
ab	atak
«*	taa
tb	taah

Avtll*blt Prm Inttituto of EUctricai I Bloctronlcf Bnfinom

20S