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Sikka, P.,Saxena, N.K.,Gupta, R.,Sethi, R.K.,Lall, D. Asian Australasian Association of Animal Productio 2001 Animal Bioscience Vol.14 No.11
Allantoin and uric acid were estimated in milk to study the association between the levels of these purine derivatives and milk production per day under given feeding regimens. Keeping the stage of lactation, parity and initial milk yield in view thirty lactating buffaloes were randomly selected from early lactating group. All the animals were fed 30 kg green, 2 kg straw and 5 kg concentrate mixture on per animal/day basis at basal level up to 8 1 produce. 1 kg concentrate mixture, soaked cotton seed and boiled cotton seed was fed for every 2 I milk, respectively in Group I (control), Group II and Group III animals. Average milk Allantoin and Uric acid levels were $120{\pm}11.7g/ml$ and $4.03{\pm}0.63g/ml$, respectively in milk. Cotton seed feeding enhanced the milk production significantly (p<0.01) in comparison to concentrate mixture fed control group animals. A significant difference (p<0.01) in milk allantoin levels was found over the different feeding management at higher level of production group animals. Study also revealed a significant negative correlation between the milk allantoin and production per day r=-0.43 (p<0.05).
Saxena, R.S.,Bhan, R.K.,Jalwania, C.R.,Lomash, S.K. The Institute of Electronics and Information Engin 2006 Journal of semiconductor technology and science Vol.6 No.4
This paper presents the results of a novel test structure for process control monitor for uncooled IR detector technology of microbolometer arrays. The proposed test structure is based on resistive network configuration. The theoretical model for resistance of this network has been developed using 'Compensation' and 'Superposition' network theorems. The theoretical results of proposed resistive network have been verified by wired hardware testing as well as using an actual 16x16 networked bolometer array. The proposed structure uses simple two-level metal process and is easy to integrate with standard CMOS process line. The proposed structure can imitate the performance of actual fabricated version of area array closely and it uses only 32 pins instead of 512 using conventional method for a $16{\times}16$ array. Further, it has been demonstrated that the defective or faulty elements can be identified vividly using extraction matrix, whose values are quite similar(within the error of 0.1%), which verifies the algorithm in small variation case(${\sim}1%$ variation). For example, an element, intentionally damaged electrically, has been shown to have the difference magnitude much higher than rest of the elements(1.45 a.u. as compared to ${\sim}$ 0.25 a.u. of others), confirming that it is defective. Further, for the devices having non-uniformity ${\leq}$ 10%, both the actual non-uniformity and faults are predicted well. Finally, using our analysis, we have been able to grade(pass or fail) 60 actual devices based on quantitative estimation of non-uniformity ranging from < 5% to > 20%. Additionally, we have been able to identify the number of bad elements ranging from 0 to > 15 in above devices.
R. S. Saxena,R. K. Bhan,C. R. Jalwania,S. K. Lomash 대한전자공학회 2006 Journal of semiconductor technology and science Vol.6 No.4
This paper presents the results of a novel test structure for process control monitor for uncooled IR detector technology of microbolometer arrays. The proposed test structure is based on resistive network configuration. The theoretical model for resistance of this network has been developed using ‘Compensation’ and ‘Superposition’ network theorems. The theoretical results of proposed resistive network have been verified by wired hardware testing as well as using an actual 16x16 networked bolometer array. The proposed structure uses simple two-level metal process and is easy to integrate with standard CMOS process line. The proposed structure can imitate the performance of actual fabricated version of area array closely and it uses only 32 pins instead of 512 using conventional method for a 16x16 array. Further, it has been demonstrated that the defective or faulty elements can be identified vividly using extraction matrix, whose values are quite similar(within the error of 0.1%), which verifies the algorithm in small variation case(~1% variation). For example, an element, intentionally damaged electrically, has been shown to have the difference magnitude much higher than rest of the elements(1.45 a.u. as compared to ~ 0.25 a.u. of others), confirming that it is defective. Further, for the devices having non-uniformity ≤ 10%, both the actual non-uniformity and faults are predicted well. Finally, using our analysis, we have been able to grade(pass or fail) 60 actual devices based on quantitative estimation of non-uniformity ranging from < 5% to > 20%. Additionally, we have been able to identify the number of bad elements ranging from 0 to > 15 in above devices.
Bhan, R.K.,Saxena, R.S. The Institute of Electronics and Information Engin 2002 Journal of semiconductor technology and science Vol.2 No.1
We present a simple experimental method for determination of limiting intrinsic fixed-pattern non-uniformity (NU) due to fabrication process in two-dimensional CCD multiplexers (MUXs) that are used for hybrid focal plane arrays. Here, this is done by determining separately the two NUs viz. that are $V_T$ dependent and $V_T$ independent. From these measurements, process dependent NU can be extracted. It is argued that $V_T$ dependent NU can be eliminated by designing novel input circuits whereas $V_T$ independent NU, primarily, dependent on process control and material variations may be reduced but cannot be eliminated completely and hence limits the FPA performance eventually.
Singh, R.P.,Sastry, K.V.H.,Pandey, N.K.,Shit, N.G.,Agarwal, R.,Singh, R.,Sharma, S.K.,Saxena, V.K.,Jagmohan, Jagmohan Asian Australasian Association of Animal Productio 2011 Animal Bioscience Vol.24 No.8
The LDH isozymes are key catalysts in the glycolytic pathway of energy metabolism. It is well known that the distribution of the LDH isozymes vary in accordance with the metabolic requirements of different tissues. The substrates required for energy production change noticeably at successive stages of testes development suggesting a significant flexibility in the expression of glycolytic enzymes. Therefore, expression of LHDA and LDHB mRNAs was examined in adult and prepubertal quail testis. The mRNA of both LDHA and LDHB were expressed and no significant difference was observed in prepubertal testes. The mRNA levels of LDHB significantly increased during testicular development. In the adult testis, LDHA mRNA was not expressed. Expression studies revealed the presence of different LDH isozymes during testicular development. In contrast, electrophoresis of both testicular samples revealed only single band at a position indicative of an extreme type of LDH isozyme in quail testes. Furthermore, nucleotide and amino acid sequence analysis revealed significant similarity to chicken, duck and rock pigeon. These sequence results confirmed the similarity of LDHA and LDHB subunit protein in different avian species.