Om denne boken
Mitt bibliotek
Bøker på Google Play
DEPARTMENT BULLETIN No. 551.-VARIATION IN THE CHEMICAL COMPOSITION
OF SOILS:
Page.
1
4
5
8
9
10
12
13
14
16
2
11
17
20
22
25
26
DEPARTMENT BULLETIN No. 552.-THE SEASONING OF WOOD:
Importance of proper seasoning methods............
Fiber saturation point and shrinkage..
DEPARTMENT BULLETIN No. 553.-THE CHICKEN MITE: ITS LIFE HISTORY AND
DEPARTMENT BULLETIN No. 555.-STANDARD FORMS FOR SPECIFICATIONS,
TESTS, REPORTS, AND METHODS OF SAMPLING FOR ROAD MATERIALS:
Introduction....
Recommended standard forms of specifications for materials.
Recommended standard methods of testing materials.
Recommended standard forms for reporting test results..
Recommended standard methods of sampling.
Index.....
DEPARTMENT BULLETIN No. 556.-MECHANICAL PROPERTIES OF WOODS GROWN
List of publications and papers dealing with the mechanical properties of
timber....
DEPARTMENT BULLETIN No. 557.-A COMPARISON OF SEVERAL CLASSES OF
AMERICAN WHEATS AND A CONSIDERATION OF SOME FACTORS INFLUENCING
QUALITY:
Introduction.
Factors of importance in determining the qualities of wheat..
Milling yield and flour color..
Flours of high and of low strength.
Loaf volume and texture..
Water absorption..
Classes of wheat studied
Milling yield and related factors.
Yield of flour...
Yield of bran and shorts..
Moisture content and flour yields.
Flour yield and weight per thousand kernels..
Flour yield and weight per bushel....
Color of flour and bread...
Relation of yield and color to test weight and soundness...
Inseparable foreign material, flour yield, and color of bread..
Flour strength....
Comparisons of loaf volume.
Comparisons of texture..
Relation between crude protein in wheat and the strength of flour...
Protein content of wheat and flour...
Water absorption of flour...
Summary ...
DEPARTMENT BULLETIN No. 558.-MARKETING GRAIN AT COUNTRY POINTS:
7
15
18
21
24
6
23
27
29
30
31
33
34