Two Hundred Tons Per Hectare of Processing Tomatoes—Can We Reach It?

Two hundred treasured issues!

Two hundred years of surgery.

Copyright © 2012 Massachusetts Medical Society. Surgery is a profession defined by its authority to cure by means of bodily invasion. The brutality and risks of opening a living person’s body have long been apparent, the benefits only slowly and haltingly worked out. Nonetheless, over the past two centuries, surgery has become radically more effective, and its violence substantially reduced — c...

Two hundred years of vaccination

proposed that could activate transcription of numerous genes in spermatids. If a gene is transcribed and its protein accumulates in spermatids, it is very possible that the protein will function there. Regulation of holoenzyme levels might also contribute to other cases of cell-type-specific gene regulation. Although no other cells seem to accumulate as much of the basal transcription machinery...

Biogas production from boreal herbaceous grasses--specific methane yield and methane yield per hectare.

The objective of this study was to determine the specific methane yields of four grass species (cocksfoot, tall fescue, reed canary grass and timothy) cultivated under boreal conditions as well as how harvesting time and year of cultivation affects the specific methane yields per ha. The specific methane yields of all grasses and all harvests varied from 253 to 394 Nl CH4/kg volatile solids (VS...

Per-Survivor Processing (PSP)

The principle of Per-Survivor Processing (PSP) provides a general framework for the approximation of likelihood-based data detection (search) algorithms whenever the presence of unknown quantities prevents the precise use of the classical Viterbi Algorithm (VA). The PSP concept is based on the realization that decision-directed estimation of the relevant unknown parameters should be embedded in...