| 单词 | bunsen |
| 例句 | Briefly the Indiana bio-chemists encouraged me to learn organic chemistry, but after I used a bunsen burner to warm up some benzene, I was relieved from further true chemistry. Double Helix 1968-02-27T00:00:00Z "People like to call it 'the American experiment.' I don't like to think of my country as an experiment – a bunch of chemicals sitting over a bunsen burner," he told Rehm. The GOP's Extremes 2016-09-02T04:00:00Z He holds a glass tube over a bunsen burner, twirling it constantly, blows through the molten glass, and turns it into a sphere. The last glass eye maker 2012-02-24T08:11:25Z With these on one third, very gently push forward the air regulators until a roaring noise tells that air is being admitted to the bunsen burners. Pottery, for Artists Craftsmen & Teachers 2011-12-10T03:00:15.097Z Hampshire were docked eight points after 25 wickets fell to spinners on a raging bunsen during their tense draw with Nottinghamshire at the Rose Bowl last month. The Nursery End 2011-08-06T21:55:02Z He lights all the bunsen burners within reach. The Lighter Side of School Life 2010-12-24T03:00:31.150Z This is most conveniently done by placing the cleaned and polished cover-plate upon a piece of asbestos millboard over a bunsen flame turned low. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. But now he is close to retirement, and when he switches off his bunsen burner for good there will be no more glass eye makers in Britain. The last glass eye maker 2012-02-24T08:11:25Z Most of my readers will know the formation of the bunsen flame. Gas and Oil Engines, Simply Explained An Elementary Instruction Book for Amateurs and Engine Attendants Hampshire were docked eight points after 25 wickets fell to spinners on a raging bunsen at the Rose Bowl. The Nursery End 2011-08-06T21:55:02Z Give me leave to throw away my retorts and testtubes and bunsen burners by revealing the other element besides sodium Cynodon dactylon refuses. Greener Than You Think Asphaltum 5 parts. and melt together over a bunsen flame, stirring with an iron rod until solution is complete. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Six tripods, pipe-clay triangles, and bunsen burners or spirit lamps. Lessons on Soil To detect these mordants a piece of the swatch should be burnt in a porcelain or platinum crucible over a bunsen burner, care being taken that all carbonaceous matter be burnt off. The Dyeing of Woollen Fabrics Afterwards incinerate over a bunsen burner, and weigh the ash. Nitro-Explosives: A Practical Treatise Hold the tube in a flame of a bunsen burner in such manner that the flame will strike the tube midway between the hands, as shown in Fig. The Boy Mechanic: Volume 1 700 Things for Boys to Do Heat over a bunsen flame, shaking constantly until the fluid boils, and the nutrose is dissolved. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Then did a bit of soil sieving and then did burning of soil in a bunsen burner. Free from School Take a piece of quill glass tubing some 4 cm. long by 5 mm. diameter; heat one end in the bunsen flame. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Heat the capillary portion near the free extremity in the by-pass flame of the bunsen burner and draw it out into a very fine hair-like tube and break this across. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Very pretty effects may be obtained by covering the tray with turpentine, then moving it about over a flame such as a bunsen burner until the turpentine burns off. The Boy Mechanic: Volume 1 700 Things for Boys to Do |
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