In order to increase the structural performance of rotary tillage knife, a badger claw toe was selected as bionic prototype and optimization design knife carried out. The similarity between badger’s tiller is 0.7073 by fuzzy algorithm, shape goodness fit final mole’s digging shovel 0.9556 MATLAB. Using 3D modeling software NX10.0, we established three-dimensional model knife. Furthermore, use W...

Let A2(n, d) be the maximum size of a binary code of length n and minimum distance d. In this paper we present the following new lower bounds: A2(18, 4) ≥ 5632, A2(21, 4) ≥ 40960, A2(22, 4) ≥ 81920, A2(23, 4) ≥ 163840, A2(24, 4) ≥ 327680, A2(24, 10) ≥ 136, and A2(25, 6) ≥ 17920. The new lower bounds are a result of a systematic computer search over transitive permutation groups.

We studied antegrade concealed conduction of atrial extrastimuli (A2) that blocked in the atrioventricular (AV) node in eight subjects, using a third extrastimulus (A3), coupled at decreasing coupling intervals to A2. Three A1-A2 intervals were tested in each subject: late (just shorter than AV nodal effective refractory period), intermediate, and early (just longer than atrial functional refra...

The impact of repeated administration cinntamtannin A2 (A2, 25 μg/kg) on skeletal muscle disuse atrophy model mice induced by hindlimb suspension for 14 days was examined. In soleus, weight loss and a reduction in the average myofibre size with shifting to smaller side peak were observed suspension-vehicle group, but reduced these changes. Average significantly increased ground-A2 compared grou...

Abstract Background Tiller number is a factor determining panicle and grain yield in wheat ( Triticum aestivum ). Auxin plays an important role the regulation of branch production. PIN-FORMED 1 (PIN1), auxin efflux carrier, tiller rice Oryza sativa ); however, little known on roles PIN1 wheat. Results Nine homologs TaPIN1 genes were identified wheat, which TaPIN1-6 showed higher expression stem...

Four rodent control techniques-sustained baiting (SB) with cournachlor. pulsed baiting (PB) with brodifacoum. a lethal electrified barrier (LEB), and a nonlethal electrified barrier (NLEB)-were evaluated on the experimental fann of the International Rice Research Institute (IRRI) in the Philippines. A fifth treatment (no experimental rodent control) was established for reference. Mean tiller da...

BIOFEEDBACK techniques are an effective way of controlling chronic anx­ iety without the aid of drugs. But just as effective. it seems, is learning how to relax. or simply sitting qu ietly in a room for 20 minutes each day. These surprising findings have emerged from a series of studies on anxiety conducted the Monash department of psychological ."edicine at Prince Henry's hospital by Dr John T...