lower explosion limitとは 意味・読み方・使い方

In the dummy heating method of a heat treatment furnace, dummy heating is performed by supplying mixture gas produced by adding hydrogen to an inert gas at a concentration lower than the lower limit of explosion.例文帳に追加

熱処理炉の空焼き方法であって、前記熱処理炉の中に、不活性ガスに水素を爆発下限未満の濃度で含ませた混合ガスを供給して空焼きを行うことを特徴とする熱処理炉の空焼き方法。 - 特許庁

To provide an electrochemical water treatment method and apparatus which prevents a gaseous hydrogen concentration in a water vessel into which gaseous hydrogen released from reaching the explosion lower limit concentration in electrochemical water treatment for performing electrolysis of water to be treated.例文帳に追加

被処理水の電気分解を行う電気化学的水処理において、水素ガスが放出される水槽内における水素ガス濃度が爆発下限濃度に達することを防止する。 - 特許庁

To prevent occurrence of combustion or explosion by preventing the concentration of flammable gas in air from exceeding the lower explosive limit concentration at the height of an ignition source even when the flammable gas leaks in an appliance with the flammable gas sealed therein.例文帳に追加

可燃性ガスを封入した機器において、可燃性ガスが漏洩しても、着火源のある高さで空気中の可燃性ガスの濃度が爆発下限濃度を超えないようにし、燃焼、爆発の発生を防ぐ。 - 特許庁

Hydrogen is quickly diluted to be equal to or below the explosion limit with the reduced quantity of a gas to be used such as relatively expensive nitrogen inert to hydrogen and after that, hydrogen is further diluted safely up to a more lower concentration with inexpensive air.例文帳に追加

比較的高価な窒素などの対水素不活性ガスの使用量を少なくして迅速に爆発限界以下にまで希釈でき、その後は、安価な空気を用いてより低い濃度にまで安全に希釈できる。 - 特許庁

To provide a treatment device capable of efficiently cooling the exhaust gas of a sintering furnace with water, preventing the penetration of cooling water into the sintering furnace in the breakage of a cooling means, and further surely diluting the hydrogen concentration in the exhaust gas to an explosion lower limit concentration or lower.例文帳に追加

焼結炉の排ガスを効率よく水冷却できるとともに、冷却手段が破損した場合の冷却水の焼結炉への進入が防止でき、さらには排ガス中の水素濃度を爆発下限濃度以下に確実に希釈できる処理装置の提供。 - 特許庁

When the hydrogen generating oil sludge is mixed, air is introduced into a mixer of the hydrogen generating oil sludge, and the hydrogen generating oil sludge is mixed in the state that generated hydrogen is diluted to less than 4%, which is an explosion lower limit concentration.例文帳に追加

水素発生油泥の混合に際して、空気を該水素発生油泥の混合機内に導入し、発生した水素を爆発下限濃度である４％未満まで希釈した状態で、水素発生油泥の混合を行うこととした。 - 特許庁

(ii) When having found the concentration of these gas to reach 30 % or more of the value of the explosion lower limit, have workers evacuate to a safe place immediately, suspend use of fire or any other things that is liable to become an ignition source, and provide drafting, ventilation, etc.発音を聞く 例文帳に追加

二　これらのガスの濃度が爆発下限界の値の三十パーセント以上であることを認めたときは、直ちに、労働者を安全な場所に退避させ、及び火気その他点火源となるおそれがあるものの使用を停止し、かつ、通風、換気等を行うこと。 - 日本法令外国語訳データベースシステム

When a silicon film is deposited through a vacuum chemical vapor deposition method, a substrate is cooled down to 500°C or below as an environment enveloping the substrate is kept in a mixed gas atmosphere of hydrogen having a concentration equal to or below a lower explosion limit and an inert gas after a silicon film is deposited.例文帳に追加

シリコン膜を減圧化学気相堆積法にて堆積する際、該シリコン膜堆積後、該基板を包容する環境を水素濃度が爆発下限界以下である水素と不活性ガスとの混合ガス雰囲気下に維持したまま該基板温度を５００℃以下迄下げる。 - 特許庁