Ventilation of BuildingsD. Van Nostrand, 1885 - 147 páginas |
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Página 31
... contain 4,200 cubic ft . of air , but a deduction must be made for furniture , etc. , of at least 10 per cent . , leaving 3,780 cubic ft . , or say 3,800 , as the net quantity of air in the room . Such a room will require at least three ...
... contain 4,200 cubic ft . of air , but a deduction must be made for furniture , etc. , of at least 10 per cent . , leaving 3,780 cubic ft . , or say 3,800 , as the net quantity of air in the room . Such a room will require at least three ...
Página 38
... containing them in undue pro- portion , is fatal , from its negative quali- ties , to living beings . Carbonic acid gas , as before explained , is one of the products of combustion and respiration , while ni- trogen forms 79 per cent ...
... containing them in undue pro- portion , is fatal , from its negative quali- ties , to living beings . Carbonic acid gas , as before explained , is one of the products of combustion and respiration , while ni- trogen forms 79 per cent ...
Página 40
... containing these germs that makes it so highly dangerous , rather than the gases that are in it . At the same time , these gases are by no means healthy to breathe . It is undoubt- edly true that if at all concentrated they will cause ...
... containing these germs that makes it so highly dangerous , rather than the gases that are in it . At the same time , these gases are by no means healthy to breathe . It is undoubt- edly true that if at all concentrated they will cause ...
Página 45
... air supply upon the number of people present ? The answer seems to be , that where rooms are to contain a large number of people , in proportion to their size , such a ciples worthy of our civilization it might easily be avoided 45.
... air supply upon the number of people present ? The answer seems to be , that where rooms are to contain a large number of people , in proportion to their size , such a ciples worthy of our civilization it might easily be avoided 45.
Página 46
... contain more than two or three people , it is superfluous . Not that means of ventilation should be omitted , but for rooms never crowded insensible ventilation can be largely relied upon . For example , in the room we are supposing ...
... contain more than two or three people , it is superfluous . Not that means of ventilation should be omitted , but for rooms never crowded insensible ventilation can be largely relied upon . For example , in the room we are supposing ...
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Termos e frases comuns
air allowance air per hour air supply amount of air breath Bridges burner Butler calculated carbonic acid cause ceiling cesspool Chemical chimney cloth coal cold considered Construction cubic feet cubic foot cubic space allowance disease draft Engineers exhaled expense fact feet per hour fire-place floor flue foul air fresh air furnace gas lights gas-lights gases heat house drains hydrogen illus Illustrated impurity ings inlets inmates insensible ventilation light lungs matter means of ventilation Mechanical mechanical ventilation ment method moisture morocco natural ventilation necessary NOSTRAND'S occupied odor open fire outlets oxygen Péclet persons plates PLYMPTON Practical Treatise Prof public buildings quantity of air quires Railway reason revolutions per minute sanitarians sanitary sanitary science sewage sewer gas sewers shafts sources of vitiation standard Steam systematic ventilation Tables Theory tilation tion trap tubes tunnel valve warming wood-cuts
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