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fattening
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  相似匹配句对
     Fattening Technique of Lamb
     羔羊育肥技术
短句来源
     IMMUNO-CASTRATION AND FATTENING of COCKERALS
     免疫“阉割”和环烷酸钠催肥仔公鸡的试验研究
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     Research Progress on Gene of Fattening and its Product (Leptin)
     肥胖基因及其产物的研究进展
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  fattening
In the spring season the feeding rate of juveniles and fattening adult herring depended on the degree of its fatness and on the maturity of the gonads in the prespawning period.
      
Organic Matter and Its Transformation Rates in Spawning and Fattening Lakes in Kamchatka
      
Many-year data on the concentrations of O2 and mineral phosphorus in a fattening-spawning water body for the Pacific salmon (red salmon) are presented; the seasonal and year-to-year dynamics of these con-centrations are analyzed.
      
99 individually kept, fattening pigs (castrated males) were divided into 3 groups.
      
In captivity birds display many characteristics of the autumn and spring migratory life history stages that include hyperphagia, fattening and high intensity nocturnal activity termed migratory restlessness or Zugunruhe.
      
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To comply with a breeding project,data were collected on the growth and development of Harbin White pigs and their crossbreds.Herein are presented the developmental specifieities of this breed group and treatise made with regard to their general trend: 1.During the first post-partum year,the Harbin White pigs grew initially at a fast rate, followed by a slow growth rate,thus exhibiting the characteristic features of an early-maturing, easily-fattening type,capable of adipose deposition at a very early...

To comply with a breeding project,data were collected on the growth and development of Harbin White pigs and their crossbreds.Herein are presented the developmental specifieities of this breed group and treatise made with regard to their general trend: 1.During the first post-partum year,the Harbin White pigs grew initially at a fast rate, followed by a slow growth rate,thus exhibiting the characteristic features of an early-maturing, easily-fattening type,capable of adipose deposition at a very early stage.Intensive grewth of lean meat also commenced at a relatively young age.On the ether hand,sacral vertebrae grew at a slow rate and hind-quarters were not as fully developed. 2.Among the various parts of the carcass,the loin grew with the greatest intensity, followed by the hind-quarters and shoulder-breast.Change in the composition of the carcass was reflected by a narrowing of the lean-fat ratio.Lean predominated at first,their ratio was 9:1.The ratio narrowed with increasing age,the proportion of fat increased while that of lean decreased.Under adequate feeding regime,the lean-fat ratio at 8 months of age was 1:1,however,under adverse feeding regime,it was only 1:0.6 at 12 months of age.The rela- tive percentages of mesentery and kidney fat to subcutaneous fat was 15:85. Among the various tissue components,fat grew at the greatest intensity and ascended from birth at a continuous rate,that of lean increased at an early stage,but declined after- wards.Skeletal growth was less intensive.The spinal column and pelvis grew at compara- tively faster rate.Along the spinal column,the lumbar vertebrae grew the fastest. 3.The digestive organs grew with the greatest intensity at the 1-4 month period.Their relative rates were large intestine,stomach and small intestines in a descending order.On the other hand,the small intestines showed a higher intensity at an earlier age than the stomach or large intestines. 4.Grewth intensity of tissues and organs during the first year of a pig’s life,when re- presented by growth curves may be classified under three categories:1)ascending order, such as fat,2)descending order,such as skeleton,3)parabolical order,such as digestive organs.The various tissues and organs were also characterized by specific periodism.The digestive organs grew more intensively during the nursing period,muscle grew at a faster rate at the 2-6-month stage.These periodic developmental features may be employed by swine breeders as bases to outline appropriate rearing programs.

围绕哈白猪育种工作,对哈白猪及其杂种进行生长发育试验。本文综合这些资料,探讨哈白猪的发育特点及猪的生长发育一般规律。1.哈白猪前期生长快,后期生长慢,表现早熟易肥小型猪的特点。其沉积脂肪能力很强,尤共早期更为突出;肌肉组织早期进入强度生长时期;荐椎发育较弱,后躯不够丰满。2.以腰部生长强度为最大,腿臀和肩胸次之。胴体组成的变化主要决定于肉、脂的变化。生后肌肉的此重占绝对优势,肉、脂此例约为9:1;随着年龄的增长脂肪此例增加,而肌肉比例减少。正常饲养条件下,哈白猪八个月龄肉、脂此例可达1:1,而低营养水平下十二个月龄仅达1:0.6。水油及板油与膘油的此例,一般保持在15:85左右。在各组织和器官中,脂肪的生长强度为最大,而且生后一直上升。肌肉的生长强度早期上升而后期下降。骨骼的生长强度较小,共中以脊椎和髋骨的生长强度较大。脊椎之中以腰椎生长强度为最大。3.消化器官以1—4个月龄生长强度为最大,其中大肠生长强度为最大,胃次之,小肠最小。但小肠出现生长强度最大时期较早,而胃和大肠较晚。4.猪由初生到一年各组织和器官的生长强度变化曲线可分为三种类型:1)一直上升者,如脂肪;2)一直下降者,如骨骼;3)上升到一定程度而...

围绕哈白猪育种工作,对哈白猪及其杂种进行生长发育试验。本文综合这些资料,探讨哈白猪的发育特点及猪的生长发育一般规律。1.哈白猪前期生长快,后期生长慢,表现早熟易肥小型猪的特点。其沉积脂肪能力很强,尤共早期更为突出;肌肉组织早期进入强度生长时期;荐椎发育较弱,后躯不够丰满。2.以腰部生长强度为最大,腿臀和肩胸次之。胴体组成的变化主要决定于肉、脂的变化。生后肌肉的此重占绝对优势,肉、脂此例约为9:1;随着年龄的增长脂肪此例增加,而肌肉比例减少。正常饲养条件下,哈白猪八个月龄肉、脂此例可达1:1,而低营养水平下十二个月龄仅达1:0.6。水油及板油与膘油的此例,一般保持在15:85左右。在各组织和器官中,脂肪的生长强度为最大,而且生后一直上升。肌肉的生长强度早期上升而后期下降。骨骼的生长强度较小,共中以脊椎和髋骨的生长强度较大。脊椎之中以腰椎生长强度为最大。3.消化器官以1—4个月龄生长强度为最大,其中大肠生长强度为最大,胃次之,小肠最小。但小肠出现生长强度最大时期较早,而胃和大肠较晚。4.猪由初生到一年各组织和器官的生长强度变化曲线可分为三种类型:1)一直上升者,如脂肪;2)一直下降者,如骨骼;3)上升到一定程度而又下降者,如消化器官。同时,各组织和器官具有某种程度的阶段性特征;如哺乳期消化器官生长强度较大;二——六个月肌肉生长强度较大。育种实践中应利用这些阶段发育特点制定相应的培育措施。

The different feeding level greaty effects on fattening property of hydrid F1( Soviet-white× Neijiang swine). On this Condition: dose of grain feed was Confined and dose of roughage-16.8%、 21.7%、 27.8%, the body weight at 7 mouths achieves over 90 kg. The high level group 108 . 3kg. The average diurnal increased weight-680 . 7g . The high level group is 18.4% anb 17.4% higher than that of the meddle and lows groups. The feed expenditure of 1 kg increased weight: the high level group-3. 23kg. It is 13.3%...

The different feeding level greaty effects on fattening property of hydrid F1( Soviet-white× Neijiang swine). On this Condition: dose of grain feed was Confined and dose of roughage-16.8%、 21.7%、 27.8%, the body weight at 7 mouths achieves over 90 kg. The high level group 108 . 3kg. The average diurnal increased weight-680 . 7g . The high level group is 18.4% anb 17.4% higher than that of the meddle and lows groups. The feed expenditure of 1 kg increased weight: the high level group-3. 23kg. It is 13.3% lower than that of the middle group,4.5% higher than that of the lows group. In the high level group carsass quality of the swine was improved.

本文就不同饲养水平对苏内一代育肥猪肥育性能的影响进行了试验研究,测定结果表明; 苏内一代育肥猪在高水平饲养条件下,经122天试验其平均体重达108.3公斤;净增重83.05公斤,平均日增重680.7克,分别较中、低水平组高18.4%和17.4%。猪的胴体品质性状指标(如屠宰率、胴体长、腹脂量等)也均高于中、低水平组。

Generally, the room temperature of residential houses is about 14~18℃, and the relative humidity 50~70%. With consideration of hygienic requirements and economical-technical factor in the design code, the heat transfer coefficient of the inside surface of houses αn has been specified to be 7.5 Kcal/hr·m2 ·deg. for the heat consumption ca-lculation of houses with enclosure heating in winter time. Accordingly, the inside surface temperature of houses has been allowed to be 4~6℃ less than the room temperature,or...

Generally, the room temperature of residential houses is about 14~18℃, and the relative humidity 50~70%. With consideration of hygienic requirements and economical-technical factor in the design code, the heat transfer coefficient of the inside surface of houses αn has been specified to be 7.5 Kcal/hr·m2 ·deg. for the heat consumption ca-lculation of houses with enclosure heating in winter time. Accordingly, the inside surface temperature of houses has been allowed to be 4~6℃ less than the room temperature,or to be equal to or higher than the dew point of the room atmosphere for the houses with large relative humidities.As to swine houses, the function and the environmental conditions are quite different trom those of residential houses. Under the condition of intensive rearing to fattened pigs, firstly, there is strong radiative-heat exchange between swine body surfaces and the inside surface of the house, so that the inside surface temperature of swine houses approaches to its room temperature. Secondly, swines shall diffuse a large amount of moisture, the relative humidity is higher, so the inside surface temperature of the swine houses should not be lower than the dew point of the room atmosphere. Hence, it's not applicable for the swine houses to specify αn= 7.5 Kcal./hr·m2·deg.This paper takes the Beijing area as an example and calculates the value of αn for swine houses with the following conditions:1. The inside surface temperature is 1℃ lower than the room temperature.2. It's supposed that approximately one half of the swine body surfaces will fake heat exchange by radiation between aceiling and walls.3. The parallelepiped enclosed system that is equivalent to the radiation in swine houses has been used to construct the controlled zone of swines in order to solve the radiation angle coefficient ψi-j.In the process of calculation the effect of heat absorbing by corbon dioxide and water vapor in the swine houses has been put into consideration, too.Through calculation and analysis, this paper recommended that αn, for swine houses may be 21 Kcal./hr·m2·deg. for the ceiling and to 8 Kcal/hr·m2·degfor the walls when calculating the heat consumption of swine faffening houses in winter time. In addition, the minimum thermal resistance Rmin of the swine fattening houses has also been investigated.

居住性民用建筑室内温度一般在14~18℃范围内,相对湿度约50%~70%。设计规范考虑了卫生要求、经济技术因素规定在冬季建筑围护物采暖耗热量计算或其他有关计算中,建筑内表面换热系数采用α_n=7.5千卡/小时·米~2·度。相应地规定建筑内表面温度允许低于室内空气温度4~6℃,对于相对温度较大的房间,通常规定建筑内表面温度不低于室内空气露点温度。 现代猪舍建筑由于使用功能不同,舍内环境条件与居住性民用建筑有显著的差异。肥猪集约饲养,猪体表面与建筑内灰面之间具有强烈的辐射热交换,导致猪舍建筑内表面温度接近于舍内空气温度;其次,在猪舍实际使用过程中,肥猪还散发大量水分。舍内相对湿度偏高也要求建筑内表面温度不低于舍内空气露点温度。居住性民用建筑内表面换热系数α_n=7.5千卡/小时·米~2·度,不适用于猪舍建筑。 本文在如下条件之下以北京地区为例,对采暖的和非采暖的双列式育肥猪舍建筑内表面换热系数α_n进行核算: 1.猪舍建筑内表面温度低于舍内空气1℃。 2.认为猪群的体表面积大约有一半参与和屋顶、外墙内表面之间的辐射热交换。 3.运用与猪舍内辐射等价的平行六面体封闭系统并划出肥猪控制区来求解辐射角系数ψ_(i-l)...

居住性民用建筑室内温度一般在14~18℃范围内,相对湿度约50%~70%。设计规范考虑了卫生要求、经济技术因素规定在冬季建筑围护物采暖耗热量计算或其他有关计算中,建筑内表面换热系数采用α_n=7.5千卡/小时·米~2·度。相应地规定建筑内表面温度允许低于室内空气温度4~6℃,对于相对温度较大的房间,通常规定建筑内表面温度不低于室内空气露点温度。 现代猪舍建筑由于使用功能不同,舍内环境条件与居住性民用建筑有显著的差异。肥猪集约饲养,猪体表面与建筑内灰面之间具有强烈的辐射热交换,导致猪舍建筑内表面温度接近于舍内空气温度;其次,在猪舍实际使用过程中,肥猪还散发大量水分。舍内相对湿度偏高也要求建筑内表面温度不低于舍内空气露点温度。居住性民用建筑内表面换热系数α_n=7.5千卡/小时·米~2·度,不适用于猪舍建筑。 本文在如下条件之下以北京地区为例,对采暖的和非采暖的双列式育肥猪舍建筑内表面换热系数α_n进行核算: 1.猪舍建筑内表面温度低于舍内空气1℃。 2.认为猪群的体表面积大约有一半参与和屋顶、外墙内表面之间的辐射热交换。 3.运用与猪舍内辐射等价的平行六面体封闭系统并划出肥猪控制区来求解辐射角系数ψ_(i-l)。 计算过程中还考虑了猪舍内二氧化碳,水蒸汽吸收辐射热能的影响

 
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