Project Gutenberg''''''''s Researches on Cellulose, by C F Cross and E J Bevan pptx

... to the presence of these compounds (p. 116). T h e pectocelluloses have not been the subject of systematic chemical groups, such as we have, for instance, in jute cellulose, could be followed through the ... is complex and ill-defined. This criticism we would make general by pointing out that such processes quite ignore the specific characteristics of the non-cellulose components of t...

Ngày tải lên: 28/06/2014, 19:20

... order in A, B, C, then the plane will envelope a cone of the second degree, and the line will generate another cone of the second degree supplementary to the former. For let f( A, B, C) = 0, be ... under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net Title: Researches on curves of the second order Author: George Whitehead Hearn Re...

Ngày tải lên: 28/06/2014, 19:20

... reference to this freeing the elements from every other content (abstraction) we are justified in calling numbers a free creation of the hu- man mind. The relations or laws which are derived entirely ... then by (27) must g be common element of A, B, C, . . . therefore also element of G; hence every element of G(A  , B  , C  , . . .) is transform of an element g of G, therefore element...

Ngày tải lên: 28/06/2014, 19:20

... more especially that type of essay which is personal, reminiscent, “an open letter to whom it may concern,” without being accused of trying to write like Charles Lamb. Of course, if we were ever ... two men and three niggers out of business” by asking the innocent and unsuspecting chief the difference between a man who had seen Niagara Falls, and one who hadn't, and a ham sandw...

Ngày tải lên: 28/06/2014, 17:20

... now there are two of her yonder beneath the spider-nest and was, moreover, an old friend, whose ways were perfectly familiar to me; but this time the insect engaged my particular attention because ... lot of specimen galls which I also missed, and subsequently found in the shoe and scattered on the closet floor? I have mentioned the murmur of the bees, but the incessant buzzing of flie...

Ngày tải lên: 28/06/2014, 19:20

... Entoparasiten (innere Schmarotzer), welche im Innern eines Wesens vorkommen. Ferner werden sie noch unterschieden als temporäre oder Gelegenheitsschmarotzer, welche nur zeitweise ihre Opfer besuchen, ... die j ngeren Sirexlarven verzehren 9 . Versuche, die ich mit eingesperrten Trichodeslarven anstellte, bewiesen jedoch, dass nicht jede Insectenlarve von ihnen verzehrt wird, wie es etwa die...

Ngày tải lên: 28/06/2014, 19:20

... making early-morning feeding of young fledglings less difficult than it would have been in many cases, and often have painful hours been made bearable and pleasant by the It is a different matter if, out of a family of ... F. R.S., D .C. L., Etc., Etc. My dear Sir James,— The little papers which are here reprinted would scarcely have been written but for the encouragement of your sympa...

Ngày tải lên: 28/06/2014, 19:20

... the objects correspond in the picture the elements of the picture. 2.131 The elements of the picture stand, in the picture, for the objects. 2.14 The picture consists in the fact that its elements ... Atomic facts are independent of one another. 2.062 From the existence or non-existence of an atomic fact we cannot infer the existence or non-existence of another. 2.063 The total reality is the...

Ngày tải lên: 28/06/2014, 19:20

... collection of mathematical constants… These numbers have been downloaded from: "http://www.cecm.sfu.ca/projects/ISC/I_d.html" An index of high precision tables of functions can be found ... it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net Title: Miscellaneous Mathematical Constants Author: Variou...

Ngày tải lên: 28/06/2014, 19:20

... much food they become quite like their later brothers." "If we both have gardens Dorothy will condescend to come and see ours once in a while and we can exchange ideas and experiences," ... perfectly wonderful. There was a slice of the stem of a small plant there and it looked just as if it were a house with a lot of rooms. gives the touch of color he needed," said...

Ngày tải lên: 28/06/2014, 17:20