Abstract: A cathode active material for alkaline electrochemical cells comprising an Ag—Bi-M-containing oxidation product produced by oxidizing with an oxidizing agent an Ag—Bi-M-containing neutralized precipitate obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M (M representing at least one metal selected from the group comprised of manganese, nickel and cobalt) with an alkali hydroxide in an aqueous medium; or comprising an Ag—Bi-M-containing oxidation product obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M with an alkali hydroxide in an aqueous medium and in the presence of an oxidizer.

Abstract: The object of the present invention is to provide a nucleic acid purification method and purification apparatus characterized by high washing efficiency where contamination does not occur and liquid does not remain in the nozzle tip. The present invention provides a tip containing the solid phase capturing a nucleic acid characterized in that washing solution is fed into said tip unidirectionally from head to end.

Abstract: A silver oxide powder that replaces silver powder as a silver conductive paste filler has a specific surface area measured by the BET method is 1.0-25.0 m2/g, average primary particle diameter is 1-50 nm, and average secondary particle diameter is 1-1000 nm. The silver oxide powder is made by preparing a neutralization medium that is an aqueous solution containing one or both of sodium hydroxide and potassium hydroxide in a total amount of 0.5 mole/L or less, simultaneously adding an aqueous solution containing silver salt in an amount of 6.0 mole/L or less and an aqueous solution of at least one of sodium hydroxide and potassium hydroxide to the liquid medium to conduct a neutralization reaction, thereby obtaining a neutralized precipitate, maintaining the liquid at a pH in the range of 12±1.5 during the reaction, and subjecting the precipitate to filtration, washing, and drying.

Abstract: A solution such as a washing liquid can be passed through a separation column such as a nozzle tip having a solid phase quickly and reliably, thereby achieving improvements in throughput. A sample processing device comprises a separation column having a carrier capable of capturing a target substance, a liquid supply passage capable of supplying a liquid from one end portion of the separation column to the other end portion thereof, and a communication passage disposed independently of the liquid supply passage and capable of providing communication between the inside of the separation column and the outside. The communication between the inside of the separation column and the outside by the communication passage is controlled.

Abstract: The object of the present invention is to provide a nucleic acid purification method and purification apparatus characterized by high washing efficiency where contamination does not occur and liquid does not remain in the nozzle tip.

Abstract: A nucleic acid purification method and purification apparatus characterized by high washing efficiency where contamination does not occur and liquid does not remain in the nozzle tip are disclosed. The present invention provides a tip containing the solid phase capturing a nucleic acid characterized in that washing solution is fed into the tip unidirectionally from head to end.

Abstract: A cathode active material for alkaline electrochemical cells comprising an Ag—Bi—M-containing oxidation product produced by oxidizing with an oxidizing agent an Ag—Bi—M-containing neutralized precipitate obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M (M representing at least one metal selected from the group comprised of manganese, nickel and cobalt) with an alkali hydroxide in an aqueous medium; or comprising an Ag—Bi—M-containing oxidation product obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M with an alkali hydroxide in an aqueous medium and in the presence of an oxidizer.

Abstract: The object of the present invention is to provide a nucleic acid purification method and purification apparatus characterized by high washing efficiency where contamination does not occur and liquid does not remain in the nozzle tip.

Abstract: A concrete composition which has superior fluidity and filling property and from which a concrete structure having high quality and durability and being excellent in resistance to freezing and thawing can be made without compaction by vibration. The composition comprises cement, water, aggregate, at least one admixture selected from the group consisting of a water reducing agent, an air entraining agent, an air entraining water reducing agent and a superplasticizer, and at least one viscosity improver of a cellulose type of viscosity improver having a low foaming property which shows specific viscosity and an acrylic type of viscosity improver having a low viscosity which shows specific viscosity in a specified amount.