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Articles 22771 - 22800 of 24230

Full-Text Articles in Physical Sciences and Mathematics

Ground Squirrel Control In California, Richard H. Dana Feb 1962

Ground Squirrel Control In California, Richard H. Dana

Vertebrate Pest Conference Proceedings: 1st (1962)

The control of ground squirrels in California is important in two ways. First, it is necessary to prevent destruction of agricultural crops. Second, it is important from a health standpoint where rodent-borne diseases have been demonstrated to be present. Ground squirrel control in this State is the responsibility of the county agricultural commissioners, the State Department of Agriculture and on Federal lands the Bureau of Sport Fisheries and Wildlife. Most control measures are concerned with but two of the nine species of ground squirrels found in California. These include four subspecies: Beechey ground squirrel (Citellus beecheyi beecheyi), Douglas ground squirrel …

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Controlling Muskrats, Rollo E. Talbert Feb 1962

Controlling Muskrats, Rollo E. Talbert

Vertebrate Pest Conference Proceedings: 1st (1962)

Today damage attributed to muskrat activities occurs both to irrigation systems and waterways serving agricultural interests as well as to power company installations, waterfowl refuges and hunting clubs. Direct damage or destruction of agricultural crops is relatively minor although the muskrat is known to feed on a variety of produce including ear corn, alfalfa, clover and carrots and frequently will cut a rather wide swath of rice near water control boxes separating rice paddies. The brief activities of fur trappers appear to have little significance as applied to alleviating these losses, so we are forced to recognize that we will …

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Linnets, Horned Larks, Crowned Sparrows And Woodpeckers, James W. Koehler Feb 1962

Linnets, Horned Larks, Crowned Sparrows And Woodpeckers, James W. Koehler

Vertebrate Pest Conference Proceedings: 1st (1962)

CALIFORNIA HOUSE FINCH Carpodacus mexicanus frontalis: Depredations. In California the linnet is an abundant resident throughout the State wherever food and water are available. It is most numerous on the valley floors and in the foothills where man's development has created an extensive favorable habitat. The linnet is primarily a seed eater and before the introduction of domestic fruits into California probably lived largely on weed seeds. Linnets attack the ripening fruit of the apricot, cherry, peach, pear, nectarine, plum, prune, avocado, grape, apple, fig, strawberry, blackberry, raspberry and many others. They disbud almond, apricot, pear, peach, plum, prune and …

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Controlling Yellow-Billed Magpies (Pica Nuttalli), Rex Lynda Ii Feb 1962

Controlling Yellow-Billed Magpies (Pica Nuttalli), Rex Lynda Ii

Vertebrate Pest Conference Proceedings: 1st (1962)

The yellow-billed magpie is a little smaller than the American or black-billed magpie, but the difference in size is very slight. The birds look exactly alike, except one has a black beak and the other has a yellow bill and a bit of yellow skin back of the eye.There are concentrated populations in the Los Banos area, Gustine area, and along the course of the Merced River comprising about 19,100 acres. They are occasionally seen in other areas of the County, but only infrequently observed in the southwestern portion of the County. The heaviest populations are in walnut orchards, dairy …

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Methods Of Controlling Starlings And Blackbirds, Adolph Zajanc Feb 1962

Methods Of Controlling Starlings And Blackbirds, Adolph Zajanc

Vertebrate Pest Conference Proceedings: 1st (1962)

Most people have accepted the fact that all living things can be beneficial to mankind in some way or other. This is especially true of our wild birds, since they provide enjoyment and wholesome recreation for most of us, regardless of whether we live on farms or in the city. But despite the fact that wild birds are for the most part beneficial, at times individuals or populations of certain species can seriously affect man's interests. When such situations occur, some measures of relief are desirable and usually eagerly sought. This report is not intended to answer all the questions …

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Banquet Address: People, Pests And Some Plans, Daniel G. Aldrich Jr. Feb 1962

Banquet Address: People, Pests And Some Plans, Daniel G. Aldrich Jr.

Vertebrate Pest Conference Proceedings: 1st (1962)

We can probably say that the California way of farming has made California fanners the most over-run hosts to vertebrate pests in the agricultural world. We can certainly say, too, that new pests—and here I don't mean people--are on their way. I'm told that the starlings are just exploring here now. The relatives are coming later. We'll see, and hear, a lot more of them. Our problem is: How do we keep from being such good hosts to our small vertebrate guests? I have been told by experts that right now the vertebrate pest control man is woefully underequipped for …

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Control Of Meadow Mice, Kangaroo Rats, Prairie Dogs,, John A. Ludeman Feb 1962

Control Of Meadow Mice, Kangaroo Rats, Prairie Dogs,, John A. Ludeman

Vertebrate Pest Conference Proceedings: 1st (1962)

Meadow mice, kangaroo rats, prairie dogs and cotton rats are broadly classified as field rodents. The control of their populations have been necessary since man first began to farm and raise livestock within the areas in which these rodents live. The intensity of control has varied with land values and the population fluctuation of the rodents. Rodent control, like other farming practices must be profitable to the land owner, or he cannot afford to undertake a control program. If he is to continue in business his control efforts must be done efficiently and as successfully as possible. To accomplish these …

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The Magnetic Pole In The Formulation Of Electricity And Magnetism, Robert Katz Jan 1962

The Magnetic Pole In The Formulation Of Electricity And Magnetism, Robert Katz

Robert Katz Publications

The use of the magnetic pole in the development of the concepts of electricity and magnetism leads unambiguously to a relativistic formulation of the field vectors which is well within the grasp of the sophomore student. The development is wholly consistent with Maxwell's equations and leads to clear and understandable definitions of the field vectors both in vacuum and in the material medium, as well as to the relations defining the transformations of the field vectors.

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Electron Transport Particles From Bacillus Stearothermophilus, Ronald J. Downey, Carl E. Georgi, Walter E. Militzer Jan 1962

Electron Transport Particles From Bacillus Stearothermophilus, Ronald J. Downey, Carl E. Georgi, Walter E. Militzer

Chemistry Department: Faculty Publications

DOWNEY, RONALD J. (University of Nebraska, Lincoln), CARL E. GEORGI, AND WALTER E. MILITZER. Electron transport particles from Bacillus stearothermophilus. J. Bacteriol. 83:1140- 1146. 1962-Electron-transport particles (ETP) have been isolated from Bacillus stearothermophilus. They are capable of oxidizing such substrates as succinate, malate, diphosphopyridine nucleotide, p-phenylenediamine, and hydroquinone. Difference spectra indicated bands of cytochromes a3, b, and c. A chromatographic procedure for purification of cytochrome c has been described.

The role of quinonelike intermediates in the ETP was implied by the restorative effect of coenzyme Q and vitamin K1 on material treated …

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Test 818: Farmall 404 (Gasoline), Nebraska Tractor Test Lab Jan 1962

Test 818: Farmall 404 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Advertisting Brochure: Ford Industrial Tractors, Nebraska Tractor Test Lab Jan 1962

Advertisting Brochure: Ford Industrial Tractors, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.

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Test 832: Oliver 1800 Diesel 4wd, Nebraska Tractor Test Lab Jan 1962

Test 832: Oliver 1800 Diesel 4wd, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.

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Test 809: Nuffield 460 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 809: Nuffield 460 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 812: Allis-Chalmers D10 (Gasoline), Nebraska Tractor Test Lab Jan 1962

Test 812: Allis-Chalmers D10 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 813: Allis-Chalmers D12 (Gasoline), Nebraska Tractor Test Lab Jan 1962

Test 813: Allis-Chalmers D12 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 814: Allis-Chalmers D19 (Lpg), Nebraska Tractor Test Lab Jan 1962

Test 814: Allis-Chalmers D19 (Lpg), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 817: International B414 (Gasoline), Nebraska Tractor Test Lab Jan 1962

Test 817: International B414 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 819: Farmall 504 (Gasoline), Nebraska Tractor Test Lab Jan 1962

Test 819: Farmall 504 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 821: Kramer Kl- 400 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 821: Kramer Kl- 400 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 822: Massey-Ferguson Super 90 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 822: Massey-Ferguson Super 90 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 823: Zetor 3011 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 823: Zetor 3011 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 825: International 606 (Gasoline), Nebraska Tractor Test Lab Jan 1962

Test 825: International 606 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 826: International 606 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 826: International 606 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 830: John Deere 2010 C Diesel, Nebraska Tractor Test Lab Jan 1962

Test 830: John Deere 2010 C Diesel, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.

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Test 810: Allis-Chalmers D-19 (Gasoline), Nebraska Tractor Test Lab Jan 1962

Test 810: Allis-Chalmers D-19 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 811: Allis-Chalmers D19 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 811: Allis-Chalmers D19 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 815: International 4300 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 815: International 4300 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 816: Farmall 504 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 816: Farmall 504 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 820: Farmall 504 (Lpg), Nebraska Tractor Test Lab Jan 1962

Test 820: Farmall 504 (Lpg), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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Test 827: International B414 (Diesel), Nebraska Tractor Test Lab Jan 1962

Test 827: International B414 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …

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