Abstract: There is provided a charged particle beam system having a computer system for controlling an acceleration voltage of a charged particle beam emitted from a charged particle source, the system including: a first diaphragm group having first and second diaphragms which are diaphragms that act on the charged particle beam and have different thicknesses; and a first diaphragm switching mechanism for switching the diaphragm in the first diaphragm group, in which the computer system controls the first diaphragm switching mechanism so as to switch from the first diaphragm to the second diaphragm according to an increase or decrease of the acceleration voltage.

Abstract: An electrode slurry contains (A) a cellulose fiber, (B) a carboxymethyl-group-containing cellulose ether or a salt thereof, and a particulate material containing at least (C) an electrode active material, and the cellulose fiber (A) has an average fiber length of 1 to 750 ?m. The amount of the carboxymethyl-group-containing cellulose ether or the salt thereof (B) is 0.1 to 3 parts by weight based on 100 parts by weight of the total amount of the cellulose fiber (A), the carboxymethyl-group-containing cellulose ether or the salt thereof (B), and the electrode active material (C), in terms of solid content. The present invention provides an electrode slurry that allows an improved surface smoothness (coating uniformity) of an electrode and an improved coating property, a process for producing the electrode slurry, an electrode, a process for producing the electrode, a non-aqueous secondary battery, and a lithium-ion secondary battery.

Abstract: An electrode slurry contains (A) a cellulose fiber and (C) an electrode active material, the electrode active material (C) contains at least a silicon particle and may contain a silicon particle and a carbonaceous particle. The slurry may further contain (B) a carboxymethyl-group-containing cellulose ether or a salt thereof. The average fiber length L (1 to 750 ?m) of the cellulose fiber (A) is larger than the average particle size DSi (1 nm to 1 ?m) of the silicon particle as the electrode active material (C). The average particle size ratio L/DSi is 5 to 15,000. The electrode slurry can improve a discharge capacity and is useful for forming an electrode of a non-aqueous secondary battery (lithium-ion secondary battery) that can maintain a high discharge capacity after repeated charging and discharging.

Abstract: An electrode slurry contains (A) a cellulose fiber and (C) an electrode active material, the electrode active material (C) contains at least a silicon particle and may contain a silicon particle and a carbonaceous particle. The slurry may further contain (B) a carboxymethyl-group-containing cellulose ether or a salt thereof. The average fiber length L (1 to 750 ?m) of the cellulose fiber (A) is larger than the average particle size DSi (1 nm to 1 ?m) of the silicon particle as the electrode active material (C). The average particle size ratio L/DSi is 5 to 15000. The electrode slurry can improve a discharge capacity and is useful for forming an electrode of a non-aqueous secondary battery (lithium-ion secondary battery) that can maintain a high discharge capacity after repeated charging and discharging.

Abstract: An electrode slurry contains (A) a cellulose fiber, (B) a carboxymethyl-group-containing cellulose ether or a salt thereof, and a particulate material containing at least (C) an electrode active material, and the cellulose fiber (A) has an average fiber length of 1 to 750 ?m. The amount of the carboxymethyl-group-containing cellulose ether or the salt thereof (B) is 0.1 to 3 parts by weight based on 100 parts by weight of the total amount of the cellulose fiber (A), the carboxymethyl-group-containing cellulose ether or the salt thereof (B), and the electrode active material (C), in terms of solid content. The present invention provides an electrode slurry that allows an improved surface smoothness (coating uniformity) of an electrode and an improved coating property, a process for producing the electrode slurry, an electrode, a process for producing the electrode, a non-aqueous secondary battery, and a lithium-ion secondary battery.

Abstract: The present invention provides a thick welded steel pipe excellent in low temperature toughness in which contents of Mn and Mo satisfy (Expression 1) below, Pcm obtained by (Expression 2) below is 0.16 to 0.19, and a metal structure of a base material steel plate consists of ferrite being 30 to 95% in an area ratio and a low temperature transformation structure, and in a metal structure of a coarse-grained HAZ, an area ratio of grain boundary ferrite is 1.5% or more, the total area ratio of the grain boundary ferrite and intragranular ferrite is not less than 11% nor more than 90%, an area ratio of MA is 10% or less, and its balance is composed of bainite. 1.2325?(0.85×[Mn]?[Mo])?1.5215??(Expression 1) and Pcm=[C]+[Si]/30+([Mn]+[Cu]+[Cr])/20+[Ni]/60+[Mo]/15+[V]/10??(Expression 2).

Abstract: The present invention provides a thick welded steel pipe excellent in low temperature toughness in which contents of Mn and Mo satisfy (Expression 1) below, Pcm obtained by (Expression 2) below is 0.16 to 0.19, and a metal structure of a base material steel plate consists of ferrite being 30 to 95% in an area ratio and a low temperature transformation structure, and in a metal structure of a coarse-grained HAZ, an area ratio of grain boundary ferrite is 1.5% or more, the total area ratio of the grain boundary ferrite and intragranular ferrite is not less than 11% nor more than 90%, an area ratio of MA is 10% or less, and its balance is composed of bainite. 1.2325?(0.85×[Mn]?[Mo])?1.

Abstract: The present invention provides steel plate for high strength line pipe suppressing the rise in yield strength in the longitudinal direction of expanded steel pipe due to the heating at the time of coating to prevent corrosion and superior in strain aging resistance and steel pipe for the material for the same, that is, high strength steel pipe for line pipe superior in strain aging resistance characterized in that a base material having a composition of chemical elements containing, by mass %, Mo: over 0% to less than 0.15% and Mn: 1.7 to 2.5%, satisfying Mo/Mn: over 0 to 0.08, containing C, Si, P, S, Al, Ti, N, and B, furthermore containing one or more of Ni, Cu, and Cr, having a balance of iron and unavoidable impurities, having a P value of 2.5 to 4.0 in range, and having a metallurgical structure comprised of bainite and martensite: P value=2.7C+0.4Si+Mn+0.8Cr+0.45(Ni+Cu)+2Mo. Furthermore, it may contain one or more of Nb, V, Ca, REM, and Mg.