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100%: American Institute of Engineers: Bulletin the Mining and Metallurgical (ISBN: 9781231112588) Rarebooksclub.com, in Englisch, Taschenbuch.Nur diese Ausgabe anzeigen…
71%: American Institute of Engineers: Bulletin the Mining and Metallurgical Volume 145-147 (ISBN: 9781154954623) RareBooksClub.com, in Englisch, Bände: 145-147, Taschenbuch.Nur diese Ausgabe anzeigen…
Bulletin the Mining and Metallurgical - 8 Angebote vergleichen
Bester Preis: € 37,55 (vom 07.10.2015)1
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Bulletin the Mining and Metallurgical Volume 101-104 (1915)
EN PB NWISBN: 9781231112588 bzw. 1231112581, Bände: 101-104, in Englisch, RareBooksClub, Taschenbuch, neu.
Von Händler/Antiquariat, BuySomeBooks [52360437], Las Vegas, NV, U.S.A.
This item is printed on demand. Paperback. 364 pages. Dimensions: 9.7in. x 7.4in. x 0.8in.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: . . . 1 and the stock tank in which the slime was washed after agitation. The value of the solution in agitator No. 4 varied from 5 to 7 per ton, depending on the value of the ore, and was reduced approximately to 1 in the stock tank by the washings applied. These two thickeners being each 28 ft. in diameter have 4. 63 sq. ft. per ton of slime settled. The usual titration in agitator No. 1 was about 4. 5 KCN and 1. 6 CaO. During the cold months sufficient steam was used in agitators No. 1 and No. 2 so that at some time during the 24 hr. their temperature was between 85 and 90 F. , the steam being used in pipes in the uplift column. The specific gravity of the slime in the agitators averaged 1. 250 (2 tons solution to 1 ton of ore), consequently, averaging 26 lb. of dry ore per cubic foot. The available area for agitation, after deducting for the cone and to a depth of 2 ft. from the top, is 24, 440 cu. ft. in four tanks, giving a total dry weight of ore of 317. 2 tons. This gives each tank a capacity of nearly 80 tons and a total period of agitation of 57 hr. Oliver Filters Used The filtering installation consists of two 8-ft. and one 14-ft. Oliver niters, all 11 ft. 6 in. diameter. For considerable periods the two 8-ft. filters would handle the slime, but whenever a rush of talc occurred it was found necessary to use the third. Under the former conditions the filters handled 0. 23 ton, or 460 lb. , of ore per square foot of canvas per day with an 18-in. vacuum. This capacity could be greatly increased by thickening the slime and raising the vacuum. A dry vacuum is used and the solution removed from the receiver between the filters and the dry-vacuum pump by a small triplex pump. Table II gives the cost of filtering as follows: Labor 0, 079, supplies 0, 040, power 0, 0. . . This item ships from La Vergne,TN.
This item is printed on demand. Paperback. 364 pages. Dimensions: 9.7in. x 7.4in. x 0.8in.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: . . . 1 and the stock tank in which the slime was washed after agitation. The value of the solution in agitator No. 4 varied from 5 to 7 per ton, depending on the value of the ore, and was reduced approximately to 1 in the stock tank by the washings applied. These two thickeners being each 28 ft. in diameter have 4. 63 sq. ft. per ton of slime settled. The usual titration in agitator No. 1 was about 4. 5 KCN and 1. 6 CaO. During the cold months sufficient steam was used in agitators No. 1 and No. 2 so that at some time during the 24 hr. their temperature was between 85 and 90 F. , the steam being used in pipes in the uplift column. The specific gravity of the slime in the agitators averaged 1. 250 (2 tons solution to 1 ton of ore), consequently, averaging 26 lb. of dry ore per cubic foot. The available area for agitation, after deducting for the cone and to a depth of 2 ft. from the top, is 24, 440 cu. ft. in four tanks, giving a total dry weight of ore of 317. 2 tons. This gives each tank a capacity of nearly 80 tons and a total period of agitation of 57 hr. Oliver Filters Used The filtering installation consists of two 8-ft. and one 14-ft. Oliver niters, all 11 ft. 6 in. diameter. For considerable periods the two 8-ft. filters would handle the slime, but whenever a rush of talc occurred it was found necessary to use the third. Under the former conditions the filters handled 0. 23 ton, or 460 lb. , of ore per square foot of canvas per day with an 18-in. vacuum. This capacity could be greatly increased by thickening the slime and raising the vacuum. A dry vacuum is used and the solution removed from the receiver between the filters and the dry-vacuum pump by a small triplex pump. Table II gives the cost of filtering as follows: Labor 0, 079, supplies 0, 040, power 0, 0. . . This item ships from La Vergne,TN.
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Bulletin the Mining and Metallurgical Volume 101-104 (2012)
EN PB USISBN: 9781231112588 bzw. 1231112581, Bände: 101-104, in Englisch, 364 Seiten, RareBooksClub.com, Taschenbuch, gebraucht.
Lieferung aus: Vereinigte Staaten von Amerika, Usually ships in 1-2 business days.
Von Händler/Antiquariat, profnath.
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: ...1 and the stock tank in which the slime was washed after agitation. The value of the solution in agitator No. 4 varied from $5 to $7 per ton, depending on the value of the ore, and was reduced approximately to $1 in the stock tank by the washings applied. These two thickeners being each 28 ft. in diameter have 4.63 sq. ft. per ton of slime settled. The usual titration in agitator No. 1 was about 4.5 KCN and 1.6 CaO. During the cold months sufficient steam was used in agitators No. 1 and No. 2 so that at some time during the 24 hr. their temperature was between 85 and 90 F., the steam being used in pipes in the uplift column. The specific gravity of the slime in the agitators averaged 1.250 (2 tons solution to 1 ton of ore), consequently, averaging 26 lb. of dry ore per cubic foot. The available area for agitation, after deducting for the cone and to a depth of 2 ft. from the top, is 24,440 cu. ft. in four tanks, giving a total dry weight of ore of 317.2 tons. This gives each tank a capacity of nearly 80 tons and a total period of agitation of 57 hr. Oliver Filters Used The filtering installation consists of two 8-ft. and one 14-ft. Oliver niters, all 11 ft. 6 in. diameter. For considerable periods the two 8-ft. filters would handle the slime, but whenever a rush of talc occurred it was found necessary to use the third. Under the former conditions the filters handled 0.23 ton, or 460 lb., of ore per square foot of canvas per day with an 18-in. vacuum. This capacity could be greatly increased by thickening the slime and raising the vacuum. A dry vacuum is used and the solution removed from the receiver between the filters and the dry-vacuum pump by a small triplex pump. Table II gives the cost of filtering as follows: Labor $0,079, supplies $0,040, power $0,0... Paperback, Label: RareBooksClub.com, RareBooksClub.com, Produktgruppe: Book, Publiziert: 2012-05-09, Studio: RareBooksClub.com.
Von Händler/Antiquariat, profnath.
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: ...1 and the stock tank in which the slime was washed after agitation. The value of the solution in agitator No. 4 varied from $5 to $7 per ton, depending on the value of the ore, and was reduced approximately to $1 in the stock tank by the washings applied. These two thickeners being each 28 ft. in diameter have 4.63 sq. ft. per ton of slime settled. The usual titration in agitator No. 1 was about 4.5 KCN and 1.6 CaO. During the cold months sufficient steam was used in agitators No. 1 and No. 2 so that at some time during the 24 hr. their temperature was between 85 and 90 F., the steam being used in pipes in the uplift column. The specific gravity of the slime in the agitators averaged 1.250 (2 tons solution to 1 ton of ore), consequently, averaging 26 lb. of dry ore per cubic foot. The available area for agitation, after deducting for the cone and to a depth of 2 ft. from the top, is 24,440 cu. ft. in four tanks, giving a total dry weight of ore of 317.2 tons. This gives each tank a capacity of nearly 80 tons and a total period of agitation of 57 hr. Oliver Filters Used The filtering installation consists of two 8-ft. and one 14-ft. Oliver niters, all 11 ft. 6 in. diameter. For considerable periods the two 8-ft. filters would handle the slime, but whenever a rush of talc occurred it was found necessary to use the third. Under the former conditions the filters handled 0.23 ton, or 460 lb., of ore per square foot of canvas per day with an 18-in. vacuum. This capacity could be greatly increased by thickening the slime and raising the vacuum. A dry vacuum is used and the solution removed from the receiver between the filters and the dry-vacuum pump by a small triplex pump. Table II gives the cost of filtering as follows: Labor $0,079, supplies $0,040, power $0,0... Paperback, Label: RareBooksClub.com, RareBooksClub.com, Produktgruppe: Book, Publiziert: 2012-05-09, Studio: RareBooksClub.com.
3
Bulletin the Mining and Metallurgical Volume 101-104 (2012)
EN PB NWISBN: 9781231112588 bzw. 1231112581, Bände: 101-104, in Englisch, 364 Seiten, RareBooksClub.com, Taschenbuch, neu.
Lieferung aus: Vereinigte Staaten von Amerika, Usually ships in 24 hours.
Von Händler/Antiquariat, Amazon.com.
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: ...1 and the stock tank in which the slime was washed after agitation. The value of the solution in agitator No. 4 varied from $5 to $7 per ton, depending on the value of the ore, and was reduced approximately to $1 in the stock tank by the washings applied. These two thickeners being each 28 ft. in diameter have 4.63 sq. ft. per ton of slime settled. The usual titration in agitator No. 1 was about 4.5 KCN and 1.6 CaO. During the cold months sufficient steam was used in agitators No. 1 and No. 2 so that at some time during the 24 hr. their temperature was between 85 and 90 F., the steam being used in pipes in the uplift column. The specific gravity of the slime in the agitators averaged 1.250 (2 tons solution to 1 ton of ore), consequently, averaging 26 lb. of dry ore per cubic foot. The available area for agitation, after deducting for the cone and to a depth of 2 ft. from the top, is 24,440 cu. ft. in four tanks, giving a total dry weight of ore of 317.2 tons. This gives each tank a capacity of nearly 80 tons and a total period of agitation of 57 hr. Oliver Filters Used The filtering installation consists of two 8-ft. and one 14-ft. Oliver niters, all 11 ft. 6 in. diameter. For considerable periods the two 8-ft. filters would handle the slime, but whenever a rush of talc occurred it was found necessary to use the third. Under the former conditions the filters handled 0.23 ton, or 460 lb., of ore per square foot of canvas per day with an 18-in. vacuum. This capacity could be greatly increased by thickening the slime and raising the vacuum. A dry vacuum is used and the solution removed from the receiver between the filters and the dry-vacuum pump by a small triplex pump. Table II gives the cost of filtering as follows: Labor $0,079, supplies $0,040, power $0,0... Paperback, Label: RareBooksClub.com, RareBooksClub.com, Produktgruppe: Book, Publiziert: 2012-05-09, Studio: RareBooksClub.com.
Von Händler/Antiquariat, Amazon.com.
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: ...1 and the stock tank in which the slime was washed after agitation. The value of the solution in agitator No. 4 varied from $5 to $7 per ton, depending on the value of the ore, and was reduced approximately to $1 in the stock tank by the washings applied. These two thickeners being each 28 ft. in diameter have 4.63 sq. ft. per ton of slime settled. The usual titration in agitator No. 1 was about 4.5 KCN and 1.6 CaO. During the cold months sufficient steam was used in agitators No. 1 and No. 2 so that at some time during the 24 hr. their temperature was between 85 and 90 F., the steam being used in pipes in the uplift column. The specific gravity of the slime in the agitators averaged 1.250 (2 tons solution to 1 ton of ore), consequently, averaging 26 lb. of dry ore per cubic foot. The available area for agitation, after deducting for the cone and to a depth of 2 ft. from the top, is 24,440 cu. ft. in four tanks, giving a total dry weight of ore of 317.2 tons. This gives each tank a capacity of nearly 80 tons and a total period of agitation of 57 hr. Oliver Filters Used The filtering installation consists of two 8-ft. and one 14-ft. Oliver niters, all 11 ft. 6 in. diameter. For considerable periods the two 8-ft. filters would handle the slime, but whenever a rush of talc occurred it was found necessary to use the third. Under the former conditions the filters handled 0.23 ton, or 460 lb., of ore per square foot of canvas per day with an 18-in. vacuum. This capacity could be greatly increased by thickening the slime and raising the vacuum. A dry vacuum is used and the solution removed from the receiver between the filters and the dry-vacuum pump by a small triplex pump. Table II gives the cost of filtering as follows: Labor $0,079, supplies $0,040, power $0,0... Paperback, Label: RareBooksClub.com, RareBooksClub.com, Produktgruppe: Book, Publiziert: 2012-05-09, Studio: RareBooksClub.com.
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Bulletin the Mining and Metallurgical Volume 145-147 (1919)
EN PB NW RPISBN: 9781154954623 bzw. 1154954625, Bände: 145-147, in Englisch, RareBooksClub, Taschenbuch, neu, Nachdruck.
Von Händler/Antiquariat, BuySomeBooks [52360437], Las Vegas, NV, U.S.A.
This item is printed on demand. Paperback. 352 pages. Dimensions: 9.7in. x 7.4in. x 0.7in.This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: . . . cent, in 3 in. , a reduction in area of 45. 6 per cent. , a tensile strength of 77, 500 lb. (35, 153 kg. ), and a yield point of 39, 900 lb. (17, 690 kg. ). An examination of the axle (not heat-treated) showed that the taper had been cut by a roughing tool in such a way as to leave the notch indicated in Fig. 5. Knowing the danger of the presence of such a notch if the steel were in a poor physical condition, a microscopical examination was made; this showed the condition represented in Figs 6 and 7. Here again the Fig. 6. X 65. Fig. 7. --Same As Fig. 6. X 565. Original Structure Of Rear Axle. presence of a relatively large amount of excess ferrite will be noted. The result of a simple oil quench of a part of the failed axle is shown by Fig. 8. While the free ferrite has been largely eliminated and sorbite has been substituted for pearlite, an even better heat treatment would be Fig. 8. --Structure Of Axle When Oil Quenched. X 130. to quench the axle in water, to entirely prevent the segregation of ferrite, and to reheat to produce sorbite and the requisite mechanical porperties. The danger of a keyseat in an axle is well illustrated by Figs. 9 and 10, which show the extensions of two cracks leading from the angles of the keyseat. If good engineering practice calls for such a keyseat, the material should be suitably heat-treated to give it a high notch toughness; or, better yet, the material itself, as well as the heat treatment, should be selected with reference to its notch toughness. An, examination of the truck steering arms (which were heat-treated) also revealed the presence of a notch due to defective design or construction of the drop-forging die. Microscopic examination of the failed steering arms showed the heat treatment to have been. . . This item ships from La Vergne,TN.
This item is printed on demand. Paperback. 352 pages. Dimensions: 9.7in. x 7.4in. x 0.7in.This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: . . . cent, in 3 in. , a reduction in area of 45. 6 per cent. , a tensile strength of 77, 500 lb. (35, 153 kg. ), and a yield point of 39, 900 lb. (17, 690 kg. ). An examination of the axle (not heat-treated) showed that the taper had been cut by a roughing tool in such a way as to leave the notch indicated in Fig. 5. Knowing the danger of the presence of such a notch if the steel were in a poor physical condition, a microscopical examination was made; this showed the condition represented in Figs 6 and 7. Here again the Fig. 6. X 65. Fig. 7. --Same As Fig. 6. X 565. Original Structure Of Rear Axle. presence of a relatively large amount of excess ferrite will be noted. The result of a simple oil quench of a part of the failed axle is shown by Fig. 8. While the free ferrite has been largely eliminated and sorbite has been substituted for pearlite, an even better heat treatment would be Fig. 8. --Structure Of Axle When Oil Quenched. X 130. to quench the axle in water, to entirely prevent the segregation of ferrite, and to reheat to produce sorbite and the requisite mechanical porperties. The danger of a keyseat in an axle is well illustrated by Figs. 9 and 10, which show the extensions of two cracks leading from the angles of the keyseat. If good engineering practice calls for such a keyseat, the material should be suitably heat-treated to give it a high notch toughness; or, better yet, the material itself, as well as the heat treatment, should be selected with reference to its notch toughness. An, examination of the truck steering arms (which were heat-treated) also revealed the presence of a notch due to defective design or construction of the drop-forging die. Microscopic examination of the failed steering arms showed the heat treatment to have been. . . This item ships from La Vergne,TN.
5
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Bulletin the Mining and Metallurgical Volume 101-104
EN PB NWISBN: 9781231112588 bzw. 1231112581, Bände: 101-104, in Englisch, Rarebooksclub.com, Taschenbuch, neu.
Von Händler/Antiquariat, THE SAINT BOOKSTORE [51194787], Southport, United Kingdom.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
6
Bulletin the Mining and Metallurgical Volume 145-147 (2012)
EN PB USISBN: 9781154954623 bzw. 1154954625, Bände: 145-147, in Englisch, 352 Seiten, RareBooksClub.com, Taschenbuch, gebraucht.
Lieferung aus: Vereinigte Staaten von Amerika, Usually ships in 1-2 business days.
Von Händler/Antiquariat, super_star_seller.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
Von Händler/Antiquariat, super_star_seller.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
7
Bulletin the Mining and Metallurgical Volume 145-147 (2012)
EN PB NWISBN: 9781154954623 bzw. 1154954625, Bände: 145-147, in Englisch, 352 Seiten, RareBooksClub.com, Taschenbuch, neu.
Lieferung aus: Vereinigte Staaten von Amerika, Usually ships in 24 hours.
Von Händler/Antiquariat, Amazon.com.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
Von Händler/Antiquariat, Amazon.com.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen
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