least concentration timeとは 意味・読み方・使い方

An ultrasonic wave propagation time is measured by at least a pair of ultrasonic sensors 2 mounted in a gas passage 3 at a proper distance, the concentration of the gas is operated on the basis of the measured data of the propagation time, and the termination of the air purge is determined on the basis of the data on the gas concentration at the last.例文帳に追加

ガス通路３内に適宜の距離で設置した少なくとも一対の超音波センサ２で超音波の伝搬時間を測定し、この伝搬時間測定データを元にガス濃度演算を行い、最後にこのガス濃度データによってエアパージ終了判定を行う。 - 特許庁

The collection of tree sap is performed within 1-90 days from the time when increase in sugar is at least recognized after cut down, or within a time when a rise in sugar concentration is stopped.例文帳に追加

この樹液の採取は、伐採後少なくとも糖上昇が認められてから１日〜９０日、又は糖濃度の上昇が止まる迄の期間以内のものである。 - 特許庁

To provide a densitometer, capable of stably measuring a pollutant concentration over a long time by preventing contamination in a detection end part by means of a simple and inexpensive structure or at least by greatly prolonging the time for contamination at least.例文帳に追加

簡素かつ安価な構造にて検出端部分の汚染を防止できるようにして、あるいは、少なくとも汚染に至るまでの時間を大幅に延長できるようにして、長期間にわたって安定した汚濁物質の濃度測定が可能な濃度計を提供する。 - 特許庁

The method enables the reduction of the concentration of carbon monoxide over a long period of time by using a catalyst that supports at least Ru on a carrier composed of an inorganic oxide containing at least one kind selected from alumina, silica, zirconia and titania, and by reversing the flow direction of the raw material gas at the time when the concentration of carbon monoxide in the produced gas has become 10 ppm by volume or higher.例文帳に追加

触媒としてアルミナ、シリカ、ジルコニアおよびチタニアから選ばれる少なくとも１種を含む無機酸化物からなる担体に少なくともＲｕを担持した触媒を用い、かつ生成ガス中の一酸化炭素濃度が１０ｖｏｌｐｐｍ以上になった時点で、原料ガスの流通方向を逆転させることにより、長期に渡って一酸化炭素濃度を低減することが可能となった。 - 特許庁

This liquid agent for maintaining a local oxygen concentration in a high state in a tissue for a long time is provided with a local oxygen concentration-increasing liquid agent containing at least a liquid perfluorocarbon allowed to have a substituent and saturated with oxygen.例文帳に追加

長時間にわたり組織内の局所的酸素濃度を高い状態に維持するための液剤であって、少なくとも、酸素を飽和させた置換基を有していてもよい炭素数パーフルオロカーボン液を含有する局所的酸素濃度増加用液剤とする。 - 特許庁

This method for removing the alkali from the alkali-containing waste oil is characterized by bringing the alkali-containing waste oil P obtained by carrying out at least one of a saponification reaction and an addition reaction into contact with an acidic aqueous solution having an acid concentration of 5 to 50 mass% and maintaining the contact for a prescribed time.例文帳に追加

鹸化及び付加反応の少なくとも一方が行われたことによってアルカリ分を含有した廃油Ｐに、濃度５〜５０質量％の酸水溶液Ｃを接触し、この接触状態を所定時間保つ。 - 特許庁

The interlayer insulating films 5, 7 are obtained, for example, by applying the borazine-based resin composition, which comprises an organic silicon borazine polymer and a high boiling aromatic solvent and has a non-volatile component concentration of at least 1mass% and a non-gelling time of at least 6 hr, by a spin-coating method and drying the coated film.例文帳に追加

層間絶縁膜５，７は、例えば有機ケイ素ボラジン系ポリマーと高沸点の芳香族系溶媒とを含んでおり、不揮発性成分濃度が１質量％以上であり、且つ、非ゲル化時間が６時間以上であるボラジン系樹脂組成物をスピンコートで塗布し乾燥させて得られる。 - 特許庁

An estimation means 100 estimating at least one of average value and degree of variation of concentration of hydrocarbon contained in the exhaust gas in time base based on degree of variation of air fuel ratio acquired at the plurality of times in time base in such a manner is provided.例文帳に追加

このように複数回取得された空燃比の時間軸上におけるバラツキの度合いに基いて、前記排気に含まれる炭化水素の濃度の前記時間軸上におけるバラツキの度合い及び平均値の少なくとも一方を推定する推定手段（１００）とを備える。 - 特許庁