Sumitomo Metal Mining Company, Ltd.

Nec Corporation

Kurita Water Industries Ltd.

Bridgestone Corporation

Kabushiki Kaisha Toshiba

Jsr Corporation

International Business Machines Corporation

Ricoh Company, Ltd.

Tdk Corporation

Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Fujitsu Toshiba Mobile Communications Limited

Transgenomic, Inc.

Yokogawa Analytical Systems, Inc.

Mitsubishi Electric Corporation

Junichi Takahashi

Taku Inoue

Shuuji Okada

Tomoki Nagai

Masato Tanaka

Takamitsu Nakamura

Yasuhiro Katsube

Shigeo Matsuzawa

Yoshihiro Ohba

Keiji Konno

Hiroshi Ikeda

Takashi Ikeda

Naoya Ochi

Masahiko Satoh

Masahiro Ueda

Hiroshi Kobayashi

Tsutomu Shimokawa

Yoshitomo Ozaki

Hikaru Sugita

Osamu Nakai

Teruo Mori

Akihiro Horiguchi

Takayuki Nakai

Masanori Itagaki

Yukimasa Shimura

Masashi Yamaguchi

Mitsunori Uchida

Jung-Kook Hong

Momoko Ishii

Kazuki Ishii

Takashi Noji

Masanori Watanabe

Robert C Fry

Keisuke Shibayama

Yousuke Konno

Nakaatsu Yoshimura

Kunihiro Hayakawa

Toshirou Tan

Takayoshi Abe

Norihiko Sugie

Norihiro Natsume

Kazuo Nogami

Yuki Kaneko

Norihisa Toki

Tomohiro Kakizawa

Tohru Kishigami

Shogo Ujiie

Masaki Morikawa

Kousuke Imoji

Hideharu Hashihara

Toyohisa Kaneko

Eishi Shimmura

Yohnosuke Furui

Akihiro Kamiya

Keitaro Hirai

Yoshitaka Kishine

Kazuaki Mori

Toshikazu Takahashi

Yuuichi Murakoshi

Masahiro Kusaba

Akihiro Morioka

Toshikazu Amano

William J Stein

Hideyasu Endou

Yoshimoto Ozaki

Masanobu Suzuki

The present invention is a method for operating a demineralization apparatus provided with a plurality of demineralizing lines arranged in parallel and having demineralizers, the method comprising passing through some of the demineralizing lines water to be treated to produce demineralized water while passing through another demineralizing line(s) dilute water from a dilute water tank to perform washing of the line(s), and returning water used for said washing back to the dilute water tank, and being characterized by, when the water quality of the dilute water is on the high salts concentration side past a predefined value, discharging part of the dilute water so as to let said part join the water to be treated and providing a new supply of dilute water for replenishment.

Method for operating demineralization apparatus

A motorcycle pneumatic tire, in which the tread includes a central rubber and a side rubber, having a lower modulus than the central rubber, that are sequentially laminated in both tire widthwise side portions, the side rubber extending to a tire width-direction inner side further than a point at &#xbc; of a tread width on a tire width-direction outer side from a tire equator. A tire ground-contact surface has a tread pattern that includes plural inclined grooves and, when the tread width is equally divided in eight, a region constituting a range of &#xbc; to &#x215c; of the tread width on the tire width-direction outer side from the tire equator has the largest number of inclined grooves included per a single pitch of the tread pattern, and the depth of the inclined grooves is greater than the thickness of the side rubber in at least a part of the region.

Pneumatic tire for motorcycle

Provided is a motorcycle pneumatic tire in which the wet grip performance is improved while the steering stability during turning is ensured. The motorcycle pneumatic tire includes, on its ground-contact surface: a first inclined groove () that extends on a tire width-direction outer side from the vicinity of a tire equator and is inclined in the same direction as a tire rotation direction; and a short groove () that is arranged on the extension of a tire width-direction outer end of the first inclined groove (). The tire width-direction outer end of the first inclined groove is positioned in the vicinity of a point at &#xbc; of a tread width (TW) from the tire equator on the tire width-direction outer side, while a tire width-direction inner end of the short groove is positioned in a range of &#xbc; to 5/16 of the tread width (TW) from the tire equator on the tire width-direction outer side; an inclination angle of the first inclined groove with respect to a tire circumferential direction increases toward the tire width-direction outer side; and an angle &#x3b8;formed by a groove wall of the tire width-direction outer end of the first inclined groove with respect to the direction perpendicular to the tire surface, and an angle &#x3b8;formed by a groove wall of the tire width-direction inner end of the short groove with respect to the direction perpendicular to the tire surface, satisfy a relationship of &#x3b8;&#x3e;&#x3b8;.

A method to condense and liquefy vapor by introducing the vapor into a heat exchanger and bringing same into contact with a cooling body in the heat exchanger, wherein a droplet condensation promoting agent is directly added to the vapor introduced into the heat exchanger or to the heat exchanger. A droplet condensation promoting effect due to the droplet condensation promoting agent can be sufficiently manifested and condensation efficiency by droplet condensation can be improved by way of directly adding the droplet condensation promoting agent such as a film forming amine or the like to the vapor introduced into the heat exchanger or to the heat exchanger.

Vapor condensation method

Provided is a motorcycle tire having improved wet performance during straight running without compromising other performances. The motorcycle tire is a motorcycle tire whose rotation direction when mounted on a vehicle is designated. A main groove () at least including a first groove () and a second groove () having different inclination directions, and a sub groove () are provided on a tire tread, the main groove and the sub groove are alternately repeatedly formed in the tire circumferential direction line symmetrically with respect to the tire equator and are arranged offset in the tire circumferential direction between one side and the other side in the tire width direction, and the main groove and the sub groove include, per one pitch of pattern on one side in the tire width direction within the contact region S during straight running, two or more outward grooves extending obliquely from the tire equator side to the outside in the tire width direction toward the designated reverse rotation direction of the rotation direction and one or more inward grooves extending obliquely from the outside in the tire width direction to the tire equator side toward the designated reverse rotation direction of the rotation direction.

Motorcycle tire

A water hardness-measuring method and a fouling prevention method for hardness-measuring device include adding a colorant containing Eriochrome Black T and/or Calmagite and a sulfate ester-type anionic surfactant having a bonding unit derived from a sulfate ester including an alkyl group having 8 to 18 carbon atoms that may have one or more substituent in its chemical formula to a sample water.

Hardness measurement method, and fouling prevention method for hardness-measuring device

An object of the present technology is to provide a chlorine-concentration-measuring composition that can reduce staining by reagents, a measurement method using the chlorine-concentration-measuring composition and a method for reducing staining by chlorine-concentration-measuring composition using an aromatic sulfonic acid-based polymer or the salt thereof. Provided are a chlorine-concentration-measuring composition comprising an aromatic sulfonic acid-based polymer or the salt thereof; a chlorine-concentration-measuring composition comprising component (a) a color reagent for detection of residual chlorine and component (b) an aromatic sulfonic acid-based polymer or the salt thereof; a chlorine-concentration-measuring method comprising using the composition; and a method for reducing or preventing staining by using the chlorine-concentration-measuring composition comprising an aromatic sulfonic acid-based polymer or the salt thereof.

Chlorine-concentration-measuring composition

A smelting method capable of obtaining an iron-nickel alloy having a high nickel grade of 4% or higher by effectively facilitating a reduction reaction of pellets formed using a nickel oxide ore as a raw material. The present invention is a method for smelting a nickel oxide ore, by which an iron-nickel alloy is obtained by forming pellets from a nickel oxide ore and reducing and heating the pellets. In the pellet production step S, a mixture is obtained by mixing raw materials that contain at least a nickel oxide ore and a carbonaceous reducing agent. In the reduction step S, a furnace floor carbonaceous reducing agent is laid on the floor of the smelting furnace in advance when placing the obtained pellets in the smelting furnace and the pellets are placed on the furnace floor carbonaceous reducing agent and then reduced and heated.

Method for smelting nickel oxide ore

Provided is a method for producing a pellet capable of suppressing heat shock-induced crack occurrence, when nickel oxide ores are made into pellets and placed in a reducing furnace in a smelting process. In the method for producing a pellet from a nickel oxide ore, a nickel oxide ore, a binder and a carbonaceous reducing agent are mixed, the mixture is made into a lump, and then the resulting lump is subjected to a preheat treatment at a temperature of 350&#xb0; C. to 600&#xb0; C. In this preheat treatment, the lump more preferably undergoes the preheat treatment at a temperature of 400&#xb0; C. to 550&#xb0; C.

Method for producing pellet and method for smelting nickel oxide ore

Provided is a smelting method whereby a reaction for reducing pellets, said pellet being formed by using a saprolite ore as a starting material, can be effectively conducted and thus an iron/nickel alloy having a nickel grade of, for example, 16% or greater can be obtained. The method comprises: a pellet production step (S) for producing the pellets from the saprolite ore; and a reduction step (S) for heating and reducing the obtained pellets in a smelting furnace. In the pellet production step (S), at least the saprolite ore and a preset amount of a carbonaceous reducing agent are mixed together to produce the pellets. In the reduction step (S), a hearth carbonaceous reducing agent is preliminarily spread on the hearth of the smelting furnace and the pellets produced above are placed on the hearth carbonaceous reducing agent and then subjected to a heat reduction treatment.

Method for smelting saprolite ore

Provided is a smelting method capable of effectively promoting a reduction reaction on pellets formed using nickel oxide ore as starting material to obtain a ferronickel alloy with a high nickel grade of at least 4%. The present invention is a method for smelting nickel oxide ore wherein ferronickel alloy with a nickel grade of at least 4%, the method comprising a pellet-producing step Sfor producing pellets from nickel oxide ore, and a reducing step Sfor reduction-heating of the obtained pellets in a smelting furnace. In the pellet-producing step S, the pellets are produced by mixing nickel oxide ore with a specified amount of a carbonaceous reducing agent as starting materials. In the reducing step S, the produced pellets are charged in a smelting furnace in which a carbonaceous reducing agent (furnace bottom carbonaceous reducing agent) has been spread over the entire furnace bottom and reduction-heating is performed.

Provided is a method for smelting nickel oxide ore by which the occurrence of cracking due to heat shock can be suppressed when nickel oxide ore is pelletized and charged into a smelting step (reduction step). A method for smelting nickel oxide ore according to the present invention uses pellets of nickel oxide ore, the method being characterized by comprising a pellet production step Sfor producing pellets from nickel oxide ore, and a reduction step Sfor heating the resulting pellets at a predetermined reduction temperature in a reduction furnace, the reduction step Scomprising preheating the pellets obtained in the pellet production step Sto a temperature of 350 to 600&#xb0; C. in the reduction furnace and thereafter charging the pellets into the reduction furnace and raising the temperature of the reduction furnace to the reduction temperature.

In measuring a dissolved substance, a concentration of a specific dissolved substance in a sample water is measured using a measuring water Wdeveloping a specific color within a specific pH range by adding each of two reagents to a sample water W, and an acid-base indicator S developing different colors other than the specific color is selected in a first pH range including the specific pH range and a second pH range deviating from the first pH range. Next, a reagent is prepared by adding the acid-base indicator to one reagent wherein a pH value of a reagent added water where the two kinds of reagents are separately added to the sample water is within the second pH range. Next, absorbance values are calculated by three region component lights which are a transmitted light in the measuring water wherein the prepared reagent is added.

Method for automatically measuring concentration of dissolved substance

Provided is a production method for producing pellets that are used for producing an iron-nickel alloy and that are produced by mixing at least a nickel oxide ore, a carbonaceous reducing agent, and an iron oxide and agglomerating the obtained mixtures, the method comprising: a step Sfor producing at least two types of mixtures having different mixing ratios of nickel oxide ore, carbonaceous reducing agent, and iron oxide; and a step Sfor forming pellets, which are agglomerates having a layered structure, by using the two or more types of mixtures such that the mixture with the highest content ratio of iron oxide, among the two or more types of mixtures forms the outermost layer.

Method for producing pellets and method for producing iron-nickel alloy

Provided is a method for producing pellets by which, when nickel oxide ore is being pelletized and smelted to produce ferronickel, which is an iron-nickel alloy, it is possible to allow the smelting reaction to proceed effectively. A method for producing pellets according to the present invention is for producing pellets which are used in producing iron-nickel alloy and which are produced by mixing raw materials including nickel oxide ore and agglomerating the resulting mixture, wherein the method comprises: a mixing step Sfor mixing at least nickel oxide ore, a carbonaceous reducing agent, and iron oxide to generate a mixture; and a pellet formation step Sfor agglomerating the resulting mixture and forming pellets. In the mixing step S, the mixture is generated such that the total weight of nickel and iron accounts for 30 wt % or more of the total weight of the pellets formed.

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Tokyo, Japan

Junichi Takahashi