In addition, 0.001 to 0.2 wt.% of Nb or 0.0001 to 0.0080 wt.% of B may be contained, or 0.001 to 0.2 wt.% of Nb and 0.0001 to 0.0080 wt.% of B may be contained in combination.

According to the invention, the second concentration is greater than the first concentration and, in addition, the first mass concentration is strictly greater than 2 %.

The rhenium content of the filament is between 0.4~0.8% by weight.

Whole product based on a fat content of 4 % by weight [7]

The higher Si content interliner preferably contains about 0.02-1.1 wt.% Si.

The amount of acid components in the solvent may be 0 to 4000 ppm (by weight), and complex salts of transition metals with N,N'-disalicylidenediamine can be used as the oxidation catalyst.

Having a titanium content of greater than 0.10% by weight; and

Some of said fuel rods have a first mass content of gadolinium comprised between 5 and 12 %.

A silver paste having a water content of not more than 0.5% by mass is preferably used.

A preferable graphite content in the cutting liquid is 2 to 20 percent by weight.

A mold for use in die casting aluminum parts is made from an underaged Ni-Be alloy containing about 1.0 to 2.0 wt. % Be.

An ASK doped tungsten-rhenium alloy powder is prepared with a rhenium content of 0.4~0.8% by weight.

Nickel or alloys with more than 40 % nickel by weight; 6.

The honeycomb structure is characterized in that the rate of ammonia desorbed per mass of the honeycomb units as measured in accordance with the NH3-TPD method is 5 to 100 times that per mass of the adhesion material.

Nickel or alloys with more than 40 % nickel by weight; 8.