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[求助]
43.2 gm 8AP 300 Blume
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| 如題什么意思？高手，高手在哪里》》》》？ |
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犇?
鐵桿木蟲(chóng) (職業(yè)作家)
院士
- 應(yīng)助: 362 (碩士)
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- 專(zhuān)業(yè): 凝聚態(tài)物性 II ：電子結(jié)構(gòu)
2樓2013-05-08 22:38:18
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??????????飬????????????  The most important part of this exhibit is the scattering tube. It is made of plexiglass tubing, 19.5???? long and 2.5?? outside diameter with a 1/4'?? wall thickness for strength. Both ends of the tube have plexiglass windows solvent cemented into place and a filling port is drilled into the side of the tube near one end. A 2"i.d. by 2.5"o.d. ring of black paper, at the projector end, prevents light from travelling down the walls of the tube. The tube is vented as illustrated and is filled with 8AP 300 Blume type gelatins. We have had excellent results with the following formula: 43.2 gm 8AP 300 Blume 1800 ml Sterile distilled water 7.5 gm Sodium Benzoate (as a preservative) First wash anything which will come into contact with the gelatin with a concentrated solution of sodium benzoate. This will sterilize the components and prevent growth of mold (which thrives on gelatin). Mix the ingredients cold and let stand for 15 minutes. Heat in a double boiler to 65 degrees Celsius. Fill and cap the tube. |
3樓2013-05-08 23:05:43
myIDname
木蟲(chóng) (著名寫(xiě)手)
人民大會(huì)堂首席清潔工
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【答案】應(yīng)助回帖
★ ★
感謝參與，應(yīng)助指數(shù) +1
hanches: 金幣+2, 嗯，wiki很好用~感謝應(yīng)助~~ 2013-05-09 12:35:31
感謝參與，應(yīng)助指數(shù) +1
hanches: 金幣+2, 嗯，wiki很好用~感謝應(yīng)助~~ 2013-05-09 12:35:31
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"8AP 300 Blume type gelatins"中，blume是不是應(yīng)該是bloom，是測(cè)量明膠強(qiáng)度的一種單位。來(lái)自wiki bloom詞條：The test determines the weight (in grams) needed by a probe (normally with a diameter of 0.5 inch) to deflect the surface of the gel 4 mm without breaking it. 300 bloom應(yīng)該是強(qiáng)度很高的了。 我不明白前面的8ap是什么意思。 |
4樓2013-05-09 11:16:11
犇?
鐵桿木蟲(chóng) (職業(yè)作家)
院士
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
chyan1102: 金幣+10, ★★★很有幫助, 真心謝謝！應(yīng)該就是一種膠的型號(hào) 2013-05-09 13:14:45
chyan1102: 金幣+10, ★★★很有幫助, 真心謝謝！應(yīng)該就是一種膠的型號(hào) 2013-05-09 13:14:45
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7.5 gm Sodium Benzoate (as a preservative) 7.5克苯甲酸鈉（一種防腐劑） 43.2 gm 8AP 300 Blume 43.2克 8AP 300應(yīng)該是一種膠的型號(hào) filled with 8AP 300 Blume type gelatins. 所示，排出管和填充有8AP300布盧姆型明膠。有極好的效果。 只能幫到這了 不知道有用沒(méi)有啊 |
5樓2013-05-09 12:55:46
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