JP7405490B2 - Greenhouse effect experiment method - Google Patents

Greenhouse effect experiment method Download PDF

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JP7405490B2
JP7405490B2 JP2021213569A JP2021213569A JP7405490B2 JP 7405490 B2 JP7405490 B2 JP 7405490B2 JP 2021213569 A JP2021213569 A JP 2021213569A JP 2021213569 A JP2021213569 A JP 2021213569A JP 7405490 B2 JP7405490 B2 JP 7405490B2
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幸史 塚本
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特許法第３０条第２項適用 令和３年５月２７日に高岡市立牧野小学校にて実験を披露 令和３年６月３日に高岡市立牧野小学校にて実験を披露 令和３年７月７日に高岡市立こまどり支援学校にて実験を披露 令和３年１０月１日に射水市立小杉南中学校にて実験を披露 令和３年１０月６日に南砺市立城端小学校にて実験を披露 令和３年１０月２１日に射水市立大門小学校にて実験を披露 令和３年１０月２２日に高岡市立下関小学校にて実験を披露 令和３年１０月２６日に富山県立高岡工芸高等学校にて実験を披露 令和３年１１月５日に射水市立大門中学校にて実験を披露 令和３年１１月１０日に北陸電力富山太陽光発電所ＰＲ館にて実験を披露 令和３年１１月１２日に高岡市立南星中学校にて実験を披露 令和３年１１月１６日に富山県立高岡商業高等学校にて実験を披露 令和３年１１月１７日に氷見市立朝日丘小学校にて実験を披露 令和３年１１月１８日に富山県立砺波工業高等学校にて実験を披露 令和３年１２月２日に高岡市立芳野中学校にて実験を披露 令和３年６月３日に高岡市立牧野小学校のウェブサイト（ｈｔｔｐ：／／ｍａｋｉｎｏ－ｅ．ｅｌ．ｔｙｍ．ｅｄ．ｊｐ／ａｒｃｈｉｖｅｓ／ｄａｔｅ／２０２１／０６／ｐａｇｅ／２）に実験の様子が公開 令和３年７月７日に高岡市立こまどり支援学校のウェブサイト（ｈｔｔｐ：／／ｗｗｗ．ｋｏｍａｄｏｒｉ－ｓｈ．ｔｙｍ．ｅｄ．ｊｐ／ｐａｇｅ／１６）に実験の様子が公開 令和３年１０月６日に南砺市立城端小学校のウェブサイト（ｈｔｔｐ：／／ｊｏｈａｎａ－ｅ．ｅｌ．ｔｙｍ．ｅｄ．ｊｐ／？ｍ＝２０２１１００６）に実験の様子が公開 令和３年１０月２２日に高岡市立下関小学校のウェブページ（ｈｔｔｐ：／／ｓｈｉｍｏｚｅｋｉ－ｅ．ｅｌ．ｔｙｍ．ｅｄ．ｊｐ／？ｍ＝２０２１１０）に実験の様子が公開 令和３年１１月１２日に高岡市立南星中学校のウェブサイト（ｈｔｔｐ：／／ｎａｎｓｅｉ－ｊ．ｅｌ．ｔｙｍ．ｅｄ．ｊｐ／ａｒｃｈｉｖｅｓ／ｄａｔｅ／２０２１／１１／１２）に実験の様子が公開 令和３年１０月７日付の北日本新聞朝刊第２５面に実験の様子が公開 令和３年１１月２６日付の電気新聞第５面に実験の様子が公開Application of Article 30, Paragraph 2 of the Patent Act Experiments were performed at Takaoka City Makino Elementary School on May 27, 2021 Experiments were performed at Takaoka City Makino Elementary School on June 3, 2021 July 2021 An experiment was performed at Takaoka City Komadori Support School on October 7th. An experiment was performed at Imizu City Kosugi Minami Junior High School on October 1, 2021. An experiment was performed at Nanto City Johana Elementary School on October 6, 2021. Demonstration Experiments were demonstrated at Imizu City Daimon Elementary School on October 21, 2021 Experiments were demonstrated at Takaoka City Shimonoseki Elementary School on October 22, 2021 Experiments were demonstrated at Toyama Prefectural Takaoka Crafts School on October 26, 2021 An experiment was performed at a high school. An experiment was performed at Imizu City Daimon Junior High School on November 5, 2021. An experiment was performed at the Hokuriku Electric Power Company Toyama Solar Power Plant PR building on November 10, 2021. Reiwa Experiments were performed at Takaoka City Nansei Junior High School on November 12, 2021 Experiments were performed at Toyama Prefectural Takaoka Commercial High School on November 16, 2021 Experiments were performed at Himi City Asahigaoka Elementary School on November 17, 2021 Demonstrated an experiment at Toyama Prefectural Tonami Technical High School on November 18, 2021 Demonstrated an experiment at Takaoka City Yoshino Junior High School on December 2, 2021 June 3, 2021 The experiment was published on the Takaoka City Makino Elementary School website (http://makino-e.el.tym.ed.jp/archives/date/2021/06/page/2) on July 2021. On October 7th, the experiment was published on the Takaoka City Komadori Support School website (http://www.komadori-sh.tym.ed.jp/page/16). The experiment was published on the elementary school website (http://johana-e.el.tym.ed.jp/?m=20211006) On October 22, 2021, the Takaoka City Shimonoseki Elementary School web page (http://johana-e.el.tym.ed.jp/?m=20211006) The experiment was published on the Takaoka City Nansei Junior High School website (http://nansei-j) on November 12, 2021. .el.tym.ed.jp/archives/date/2021/11/12) The experiment was published on page 25 of the Kitanihon Shimbun morning edition dated October 7, 2021. The experiment was published on the fifth page of Denki Shimbun dated November 26th.

本発明は、二酸化炭素の温室効果を確認するための実験方法に関する。 The present invention relates to an experimental method for confirming the greenhouse effect of carbon dioxide.

近年、地球温暖化を防止するために、二酸化炭素の排出量を減らすことが求められている。しかし、そもそも空気中の二酸化炭素の濃度が増えることが、どうして地球温暖化につながるのか、よく理解していない人が少なくない。そこで、小学校等で二酸化炭素による温室効果を確認する実験を行い、子供たちに二酸化炭素の温室効果を実感してもらうことは有益である。 In recent years, there has been a need to reduce carbon dioxide emissions in order to prevent global warming. However, many people do not fully understand how increasing the concentration of carbon dioxide in the air leads to global warming in the first place. Therefore, it would be beneficial to conduct experiments to confirm the greenhouse effect caused by carbon dioxide at elementary schools and other places so that children can experience the greenhouse effect caused by carbon dioxide.

従来の温室効果の実験装置は、透明なガラス又はプラスチック製の球形の容器を二つ有し、そのうちの一方には二酸化炭素を封入し、他方には空気を封入し、二つの容器をハロゲンランプ等で加熱し、各容器内に挿入したデジタル温度計で容器内の二酸化炭素と空気の温度を測定するというものだった。
かかる実験装置においては、容器内に二酸化炭素を集めるのに水上置換等を用いる必要があって煩わしい、ガラス又はプラスチック製の容器をハロゲンランプで加熱しても、中の二酸化炭素の温度が上昇するのに時間がかかるといった問題があった。また、何より実験装置が何十万円もする高価なものであるため、全国の小学校等に普及させることができなかった。 Conventional greenhouse effect experimental equipment has two spherical containers made of transparent glass or plastic, one of which is filled with carbon dioxide and the other with air, and the two containers are connected to a halogen lamp. The temperature of the carbon dioxide and air inside each container was measured using a digital thermometer inserted into each container.
In such experimental equipment, it is necessary to use water displacement to collect carbon dioxide in the container, which is cumbersome.Even if the glass or plastic container is heated with a halogen lamp, the temperature of the carbon dioxide inside rises. There was a problem that it took a long time. Furthermore, because the experimental equipment was expensive, costing hundreds of thousands of yen, it was not possible to disseminate it to elementary schools across the country.

本発明は以上に述べた実情に鑑み、身近にあるものを使用して二酸化炭素の温室効果を実感することのできる温室効果実験方法の提供を目的とする。 In view of the above-mentioned circumstances, the present invention aims to provide a greenhouse effect experiment method that allows one to experience the greenhouse effect of carbon dioxide using familiar objects.

上記の課題を達成するために請求項１記載の発明による温室効果実験方法は、ビニール袋を２枚用意し、一方のビニール袋に二酸化炭素を封入し、他方のビニール袋に空気を封入し、前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋を反射板の前に配置し、前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋から見て前記反射板と反対側から赤外線を放射するヒーターで前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋を加熱し、加熱後に前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋の表面温度を放射温度計で測定することを特徴とする。 In order to achieve the above object, the greenhouse effect experiment method according to the invention set forth in claim 1 prepares two plastic bags, fills one plastic bag with carbon dioxide, and fills the other plastic bag with air. The plastic bag containing carbon dioxide and the plastic bag containing air are arranged in front of a reflective plate, and infrared rays are emitted from the side opposite to the reflective plate when viewed from the plastic bag containing carbon dioxide and the plastic bag containing air. The plastic bag containing carbon dioxide and the plastic bag containing air are heated with a heater , and after heating , the surface temperatures of the plastic bag containing carbon dioxide and the plastic bag containing air are measured with a radiation thermometer. shall be.

請求項１記載の発明による温室効果実験方法は、ビニール袋を使用することで二酸化炭素と空気を簡単に封じ込めることができる。また、二酸化炭素入りのビニール袋と空気入りのビニール袋を反射板の前に配置し、反射板と反対側から赤外線を放射するヒーターで二酸化炭素入りのビニール袋と空気入りのビニール袋を加熱することで、二酸化炭素と空気を効率よく加熱することができる。また本発明による温室効果実験方法は、加熱後に二酸化炭素入りのビニール袋と空気入りのビニール袋の表面温度を放射温度計で測定するが、ビニール袋は非常に薄いため、測定されたビニール袋の表面温度は内部の二酸化炭素と空気の温度とほとんど同じであり、二酸化炭素を入れたビニール袋の表面温度が空気を入れたビニール袋の表面温度よりも高いことで、二酸化炭素の温室効果を実感することができる。本発明による温室効果実験方法によれば、高価な実験装置を用いることなく、身近にあるものを利用して、簡易に二酸化炭素の温室効果を実感することができる。 In the greenhouse effect experiment method according to the invention described in claim 1, carbon dioxide and air can be easily contained by using a plastic bag. In addition, a plastic bag containing carbon dioxide and a plastic bag containing air are placed in front of a reflector, and a heater that emits infrared rays from the opposite side of the reflector heats the plastic bag containing carbon dioxide and the plastic bag containing air. This allows carbon dioxide and air to be heated efficiently. In addition, in the greenhouse effect experiment method according to the present invention, the surface temperature of a plastic bag containing carbon dioxide and a plastic bag containing air is measured using a radiation thermometer after heating. The surface temperature is almost the same as the temperature of the carbon dioxide and air inside, and since the surface temperature of a plastic bag containing carbon dioxide is higher than the surface temperature of a plastic bag containing air, you can experience the greenhouse effect of carbon dioxide. can do. According to the greenhouse effect experiment method according to the present invention, it is possible to easily experience the greenhouse effect of carbon dioxide by using things around you without using expensive experimental equipment.

ビニール袋に二酸化炭素を封じ込めるときの様子を示す図である。FIG. 3 is a diagram showing how carbon dioxide is trapped in a plastic bag. 二酸化炭素入りのビニール袋と空気入りのビニール袋を赤外線ストーブで加熱しているときの状態を示す斜視図である。FIG. 2 is a perspective view showing a state in which a plastic bag containing carbon dioxide and a plastic bag containing air are being heated with an infrared stove.

以下、本発明の実施の形態を図面に基づいて説明する。本発明の温室効果実験方法は、小学校の理科室等において子供たちに二酸化炭素による温室効果を理解してもらうのに好適なものである。本発明による温室効果実験方法の手順を順に説明する。
まず、ビニール袋１ａ，１ｂを２枚用意する。ビニール袋１ａ，１ｂは、市販のものを利用すればよく、塩化ビニル樹脂、ポリエチレン、ポリプロピレン等の薄いプラスチックフィルム製の透明ないし半透明の袋を用いることができる。ビニール袋１ａ，１ｂの大きさは問わないが、例えば４０ｃｍ×３０ｃｍ、厚さ０．０２ｍｍのものを使用することができる。
次に、一方のビニール袋１ａに二酸化炭素を封入する。これは、図１に示すように、ビニール袋１ａの口をすぼめた状態で手で持ち、市販の二酸化炭素ボンベ４のノズル５に取付けたストロー６をビニール袋１ａの口に差し入れ、ノズル５から二酸化炭素を噴射する。同サイズのビニール袋１ａで５リットルのボンベ１本分が入りきる。二酸化炭素を入れ終わったら、ビニール袋１ａの口を紐や輪ゴムで縛り、ビニール袋１ａに油性マジックでＣＯ２と記載する。
もう一方のビニール袋１ｂには、空気入れを使用して空気を入れ、同じように口を縛り、ビニール袋１ｂに油性マジックで空気と記載する。 Embodiments of the present invention will be described below based on the drawings. The greenhouse effect experiment method of the present invention is suitable for helping children understand the greenhouse effect caused by carbon dioxide in elementary school science rooms and the like. The steps of the greenhouse effect experiment method according to the present invention will be explained in order.
First, two plastic bags 1a and 1b are prepared. Commercially available plastic bags 1a and 1b may be used, and transparent or translucent bags made of thin plastic film such as vinyl chloride resin, polyethylene, and polypropylene can be used. Although the size of the plastic bags 1a and 1b does not matter, for example, one having a size of 40 cm x 30 cm and a thickness of 0.02 mm can be used.
Next, carbon dioxide is sealed in one of the plastic bags 1a. As shown in Fig. 1, hold the plastic bag 1a in your hand with the mouth pursed, insert the straw 6 attached to the nozzle 5 of a commercially available carbon dioxide cylinder 4 into the mouth of the plastic bag 1a, and then Inject carbon dioxide. A plastic bag 1a of the same size can hold the equivalent of one 5 liter cylinder. After adding carbon dioxide, tie the opening of the plastic bag 1a with string or a rubber band, and write CO 2 on the plastic bag 1a with a permanent marker.
Pour air into the other plastic bag 1b using an air pump, tie the opening in the same way, and write AIR on the plastic bag 1b with a permanent marker.

そうして二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂができたら、それぞれの表面温度を放射温度計で測定する。このときの両ビニール袋１ａ，１ｂの温度は、室温と同じになる。ある日に行った実験ではどちらも２１．２度であった。
二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂを、同じ高さから同時に落とすと、二酸化炭素入りのビニール袋１ａの方が早く落ちる。これにより、実験を見ている子供たちに、二酸化炭素が空気より重い気体であることを認識させることができる。 After the plastic bag 1a containing carbon dioxide and the plastic bag 1b containing air are made, the surface temperature of each bag is measured using a radiation thermometer. At this time, the temperature of both plastic bags 1a and 1b becomes the same as room temperature. In both experiments conducted on one day, the temperature was 21.2 degrees.
If a plastic bag 1a containing carbon dioxide and a plastic bag 1b containing air are dropped at the same time from the same height, the plastic bag 1a containing carbon dioxide will fall faster. This will help the children watching the experiment realize that carbon dioxide is a heavier gas than air.

次に、図２に示すように、段ボール箱７の一面に反射板としてのアルミ箔２を貼ったものを用意し、二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂの縛ったところより上の部分を金串８，８で刺し、さらにその金串８，８を段ボール箱７のアルミ箔２を貼った面に突き刺すことで、二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂをアルミ箔２の前で空中に吊り下げる。
その上で、アルミ箔２と反対側の前方から赤外線ストーブ３で二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂを加熱する。こうすることで、赤外線ストーブ３から放射される赤外線と、アルミ箔２で反射した赤外線とで両側から加熱されるため、二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂを効率よく暖めることができる。 Next, as shown in Fig. 2, a cardboard box 7 with aluminum foil 2 pasted as a reflector is prepared, and a plastic bag 1a containing carbon dioxide and a plastic bag 1b containing air are tied together. By piercing the upper part with metal skewers 8, 8, and then piercing the metal skewers 8, 8 into the surface of the cardboard box 7 covered with aluminum foil 2, a plastic bag 1a containing carbon dioxide and a plastic bag 1b containing air are made. is suspended in the air in front of aluminum foil 2.
Then, the plastic bag 1a containing carbon dioxide and the plastic bag 1b containing air are heated with an infrared stove 3 from the front opposite to the aluminum foil 2. In this way, the infrared rays emitted from the infrared stove 3 and the infrared rays reflected by the aluminum foil 2 heat them from both sides, so that the plastic bag 1a containing carbon dioxide and the plastic bag 1b containing air can be heated efficiently. I can do it.

１５分程度加熱したら、二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂを段ボール箱７から外し、それぞれの表面温度を放射温度計で測定する。放射温度計で測定されるのはビニール袋１ａ，１ｂの表面温度であるが、ビニール袋１ａ，１ｂは非常に薄いため、測定されたビニール袋１ａ，１ｂの表面温度は内部の二酸化炭素と空気の温度とほとんど同じである。二酸化炭素は空気よりも赤外線を吸収するため、二酸化炭素入りのビニール袋１ａの温度は空気入りのビニール袋１ｂよりも３～５度高くなる。ある日の実験では、加熱前はどちらも２１．２度であったものが、加熱後には二酸化炭素入りのビニール袋１ａの温度が２５．９度、空気入りのビニール袋１ｂの温度は２１．８度であった。これにより、二酸化炭素による温室効果を実感することができる。また、ビニール袋１ａ，１ｂを実際に手で触ることで、二酸化炭素と空気の違いを体感することができる。 After heating for about 15 minutes, the plastic bag 1a containing carbon dioxide and the plastic bag 1b containing air are removed from the cardboard box 7, and the surface temperature of each is measured using a radiation thermometer. What is measured by the radiation thermometer is the surface temperature of the plastic bags 1a and 1b, but since the plastic bags 1a and 1b are very thin, the measured surface temperature of the plastic bags 1a and 1b is due to the carbon dioxide and air inside. The temperature is almost the same as that of Since carbon dioxide absorbs more infrared rays than air, the temperature of the plastic bag 1a containing carbon dioxide is 3 to 5 degrees higher than that of the plastic bag 1b containing air. One day in an experiment, the temperature of both plastic bags 1a containing carbon dioxide was 25.9 degrees, and the temperature of plastic bag 1b containing air was 21.2 degrees. It was 8 degrees. This allows you to experience the greenhouse effect caused by carbon dioxide. Furthermore, by actually touching the plastic bags 1a and 1b, the user can experience the difference between carbon dioxide and air.

なお、二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂを放置しておくと、空気入りのビニール袋１ｂはそのままなのに対して、二酸化炭素入りのビニール袋１ａは二酸化炭素が抜けてぺちゃんこになる。これは、プラスチックフィルムは酸素、窒素、二酸化炭素によってガスの透過度が違い、二酸化炭素は透過度が高いからである。 Note that if you leave the plastic bag 1a containing carbon dioxide and the plastic bag 1b containing air, the plastic bag 1b containing air will remain as it is, while the plastic bag 1a containing carbon dioxide will lose its carbon dioxide and flatten. Become. This is because plastic films have different gas permeability depending on oxygen, nitrogen, and carbon dioxide, and carbon dioxide has a high permeability.

以上に述べたように本発明による温室効果実験方法は、ビニール袋１ａ，１ｂを使用することで二酸化炭素と空気を簡単に封じ込めることができる。また、二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂを反射板（アルミ箔）２の前に配置し、反射板２と反対側から赤外線を放射するヒーター（赤外線ストーブ）３で二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂを加熱することで、二酸化炭素と空気を効率よく加熱することができる。また本発明による温室効果実験方法は、加熱後に二酸化炭素入りのビニール袋１ａと空気入りのビニール袋１ｂの表面温度を放射温度計で測定するが、ビニール袋１ａ，１ｂは非常に薄いため、測定されたビニール袋１ａ，１ｂの表面温度は内部の二酸化炭素と空気の温度とほとんど同じであり、二酸化炭素を入れたビニール袋１ａの表面温度が空気を入れたビニール袋１ｂの表面温度よりも高いことで、二酸化炭素の温室効果を実感することができる。本発明による温室効果実験方法によれば、高価な実験装置を用いることなく、身近にあるものを利用して、簡易に二酸化炭素の温室効果を実感することができる。
本発明による温室効果実験方法は、身近にあるものを使用して、４５分程度の短い時間内で行うことができるので、全国の小学校等に広く普及することが期待でき、未来を担う子供たちが若いうちから温室効果について学び、地球環境保護の重要性について意識させることは、今後の持続可能な社会を実現する上で極めて有益なものとなる。 As described above, in the greenhouse effect experiment method according to the present invention, carbon dioxide and air can be easily contained by using the plastic bags 1a and 1b. In addition, a plastic bag 1a containing carbon dioxide and a plastic bag 1b containing air are placed in front of a reflector (aluminum foil) 2, and a heater (infrared stove) 3 that emits infrared rays from the opposite side of the reflector 2 is used to generate carbon dioxide. By heating the plastic bag 1a containing air and the plastic bag 1b containing air, carbon dioxide and air can be efficiently heated. In addition, in the greenhouse effect experiment method according to the present invention, the surface temperature of the plastic bag 1a containing carbon dioxide and the plastic bag 1b containing air is measured using a radiation thermometer after heating. The surface temperature of the plastic bags 1a and 1b filled with carbon dioxide is almost the same as the temperature of the carbon dioxide and air inside, and the surface temperature of the plastic bag 1a containing carbon dioxide is higher than the surface temperature of the plastic bag 1b containing air. This allows you to experience the greenhouse effect of carbon dioxide. According to the greenhouse effect experiment method according to the present invention, it is possible to easily experience the greenhouse effect of carbon dioxide by using things around you without using expensive experimental equipment.
The greenhouse effect experiment method according to the present invention can be carried out in a short time of about 45 minutes using familiar items, so it is expected that it will be widely disseminated to elementary schools, etc. nationwide, and the children who will be responsible for the future. Learning about the greenhouse effect from a young age and making them aware of the importance of protecting the global environment will be extremely beneficial in realizing a sustainable society in the future.

本発明は以上に述べた実施形態に限定されない。ビニール袋の材質や大きさは、適宜変更することができる。反射板として、姿見等の鏡を利用してもよい。ヒーターは、赤外線を放射するものであればよく、赤外線ストーブの他、電気ストーブ、反射式石油ストーブ、ハロゲンランプ等であってもよい。 The invention is not limited to the embodiments described above. The material and size of the plastic bag can be changed as appropriate. A mirror such as a full-length mirror may be used as a reflector. The heater may be anything that emits infrared rays, and may be an electric stove, a reflective oil stove, a halogen lamp, or the like in addition to an infrared stove.

１ａ，１ｂ ビニール袋
２ アルミ箔（反射板）
３ 赤外線ストーブ 1a, 1b Plastic bag 2 Aluminum foil (reflector)
3 Infrared stove

Claims (1)

ビニール袋を２枚用意し、一方のビニール袋に二酸化炭素を封入し、他方のビニール袋に空気を封入し、前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋を反射板の前に配置し、前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋から見て前記反射板と反対側から赤外線を放射するヒーターで前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋を加熱し、加熱後に前記二酸化炭素入りのビニール袋と前記空気入りのビニール袋の表面温度を放射温度計で測定することを特徴とする温室効果実験方法。 Prepare two plastic bags, fill one plastic bag with carbon dioxide, fill the other plastic bag with air, and place the plastic bag containing carbon dioxide and the plastic bag containing air in front of the reflector. heating the carbon dioxide-containing plastic bag and the air-filled plastic bag with a heater that emits infrared rays from a side opposite to the reflector when viewed from the carbon dioxide-containing plastic bag and the air-filled plastic bag; A greenhouse effect experiment method comprising measuring the surface temperature of the carbon dioxide-filled plastic bag and the air-filled plastic bag with a radiation thermometer after heating.
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JP2008212049A (en) 2007-03-02 2008-09-18 Fujimori Kogyo Co Ltd Culture bag and culture apparatus
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