group Li, Na, K, Rb, Cs, Tl, Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb, Cr, Au, Al, Fe, Co, Ni and/or Mo, c = 0 0.5, with the proviso that (a-c) 鈮 0.1, d = a number determined by the valency and number of elements other than oxygen in formula (I) and e = 0 20...
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formula (II) and combinations thereof, silver iodobromide containing 15 to 45 mol % silver iodide in a definite layer structure in said emulsion layer, and chemically sensitized silver halide grains having a total silver iodide content of more than 7 mol %: ##STR2## wherein X1 and X2 ...
In formula, R denotes H, lower alkyl; Z denotes a group of n-valency including >=1 among O, N and S. The compd. expressed by formula II, etc., are usable as the hardening agent of the formula and may be added into the outermost layer or the adjacent layer or other gelatin contg...
A silver halide color photographic light-sensitive material has at least one light-sensitive silver halide emulsion layer on a support, contains a pyrazoloazole-based coupler, and further contains a compound represented by Formula (I) and/or Formula (II) below: Formula (I) A--(L.sub.1)....
expressed by formula I in the back layer. In the formula I, R<1> denotes >=8C aliphat. hydrocarbon group, etc.; R<2> denotes >=2C alkylene group; L denotes n+1 valency combination group; X<1> to X<3> denote elimination groups which may be the same or different; (n) denotes...
(including the ring condensed with >=1 5-6-membered unsatd. rings with said ring), A is the other 6 kinds of the groups expressed by formula VI and formula VII and the group expressed by -SZ' or a hetero ring of n1 valency, B is alkylene of 1-6C, M is bivalent metallic atom, ...
In these formulas, A is a coupler residue or a redox group, L1 and L3 are divalent timing groups, L2 is a timing group with a valency of 3 or more, PUG is a photographically useful group, j and n are integers, each of 0 to 2, m is 1 or 2, s is 2 or greater integer ...
The invention relates to silver-niobate-based lead-free piezoelectric ceramic and a preparation method thereof, which belong to the field of piezoelectric materials. The composition of the piezoelectric ceramic can be represented by using a general formula (Ag1-x-y-zLixNayKz) (Nb1-m-nTamSbn)O3...
(a - c) 鈮 0,1, d is a number, which extends through the valency and frequency of the of oxygen various elements in the formula (i) is determined, and e a value of 0 to 20 which is present in a crystal structure, the powder x-ray diffraction pattern is characterized by ...