1) meat-ability
肉用特性
2) Meat and fat Characteristic
肉脂特性
3) Meat quality
肉质特性
1.
Except for growth capability,reproduction performance and meat quality of the Taihu double cross combinations were superior to that of D×(L×Y) combination,especia.
结果表明,除生长性能外,太湖猪土四元杂交组合在繁殖性能和肉质特性方面有突出表现;尤其是长大杜太的总产仔数和产活仔数分别达到14。
2.
The objectives were to investigate the effects of graded proportions of Laiwu Black genes on carcass and meat quality performance.
以莱芜猪、3/4莱芜猪、1/2莱芜猪、1/4莱芜猪和大约克夏猪(共60头)为研究对象,在同样条件下饲养至90kg屠宰,研究比较了不同比例莱芜猪血缘对肥育猪胴体品质和肉质特性的影响。
3.
The results show that except for growth capability, reproduction performance and meat quality of the Erhualian double cross combinations are superior to that of D×(.
结果表明,除生长性能外,二花脸猪土四元杂交组合在繁殖性能和肉质特性方面有突出表现,甚至优于杜长大,尤其是以长大杜二组合的杂交效果较为理想。
4) beef performance
肉用性能
1.
RAPD marker of beef performance of the Qinchuan yellow Cattle and its hybrid;
秦川牛及其杂种牛肉用性能的RAPD标记
2.
4 head bulls of each of small - type widty - forehead cattle (Bos Frantalis, WF)and Yunnan zebu (YZ) were studied to evaluate the beef performance.
试验对小型大额平,云南瘤牛各4头公牛进行肉用性能研究,供试牛的平均年龄3。
3.
Fourty individuals of Glassland Red Cattle(GLRC) and its improved hybrids by Limousine(LM) were chosen as test population,and the muscularity evaluation traits in the regulation of linear valuation and slaughtering meaty traits were used to evaluate their beef performance traits,and the relationship between the beef performance and 8 microsatellite genetic markers was analyzed by using SPSS.
选用草原红牛、利木赞牛与草原红牛杂交后代共计40头作为试验牛群体,以肉牛线性体型评分方法中的肌肉度评分性状和屠宰肉用性状作为衡量其肉用性能的指标,利用SPSS软件分析了8个微卫星位点基因标记与肉用性能的关系。
5) meat performance
肉用性能
1.
Study of Meat Performance for 12-month Old and 18-month Old Three-way Cross Beef Cattle;
三元杂交牛12和18月龄肉用性能研究
2.
【Objective】The meat performance of Suffolk sheep population was forecasted by polymorphism of micro-satellite DNA.
【目的】利用微卫星DNA在萨福克羊群体中的多态性预测绵羊群体的肉用性能。
3.
It was studied that growth velocity,meat performance,and the meat quality including tenderness,area of loin eye muscle,and marbling of these cattles after they had been fattened and abataged.
试验结果表明,利木赞牛对草原红牛的肉用性能改良效果显著,且对草原红牛的肉质没有明显影响,草原红牛保持了其原有肉质好的品种特性。
6) meat characteristics
肉用性能
1.
Study on the growth performance and meat characteristics of different crossing mule duck;
不同杂交组合半番鸭生长和肉用性能的研究
2.
STUDY ON MEAT CHARACTERISTICS OF SICHRAN WHITE GEESE, WESTERN ANHUI WHITE GEESE, LANDES GEESE, HUOYAN GEESE AND THEIR HYBRIDS;
四川白鹅、皖西白鹅、朗德鹅、豁眼鹅及其杂种肉用性能的研究
补充资料:塑料模用钢特性与用途
塑料模用钢特性与用途
20号 该钢属于低碳素钢,强度低,韧性、塑性和焊接性均好,主要用于型腔简单,生产批量小的塑料模,采用反印法制造模具,然后渗碳淬火、回火处理,可获得外表高硬度又耐磨,心部韧性好的模具。
20Cr 是我国目前产量最大的几个合金结构钢之一,用途非常广泛,比20钢有较好的淬透性、中等的强度和韧性,经渗碳处理后,具有很高的硬度、耐磨性和适当的抗腐蚀性,作为塑料模具钢的用法同20钢
45钢 是我国目前较高的强度和较好的切削加工性,经适当的热处理以后、可获得一定的韧度、塑性和耐磨性,材料来源方便,一般经调质以后、制造塑料模具,是我国目前塑料模具用钢最广泛的一种钢种
40Cr 此钢的抗拉强度与屈服强度比相应的碳素钢高20%,并具有良好的淬透性,良好的切削加工性能,此钢制造的塑料模具再经渗碳或碳氮共渗处理后,可以提高其耐磨性和抗蚀性
5CrNiMnMoVSCa (5CrSCa) 该钢采用S-Ca复合易切销系和喷射冶金技术,改善了硫化物的形态、分布和钢的各向异性,并能保证在大截面中硫化物的分布仍比较均匀。5CrSCa钢有较高的淬透性、高韧性、易切削,再预硬态(42HRC)下仍有好的被加工性能,具有良好的镜面抛光性能,抛光后表面粗糙度可达Ra0.040цm,补焊性能好 适用于型腔复杂的塑料注射模、压缩模,要求变形极小的大型塑料成型模等
3Cr2Mo 该钢是由美国的AISI的P20转化过来的预硬性塑料模具钢,并已纳入国标(GB1299-1985)可在29.5-35HRC硬度条件下供应,有良好的机加工性能,极好的抛光性能。是各国应用较广泛的一种塑料模具钢 适用于压缩模、注射模
3Cr2NiMnMo 该钢是在P20的基础上进行研制的新钢种,该钢即具有高的强韧性又具有好的加工性能和抛光性能(可抛光到0.020цm),可在预硬态下(30-36HRC)加工。适用于大型塑料模具或型腔复杂、要求镜面抛光的模具
8Cr2MnWMoVS (8Cr2S) 该钢具有易切削,调质态(40-42HRC)其切削性能相当于T10A退火(200HB)的加工性能;综合力学性能好,耐磨性好,镜面抛光性能好,可研磨抛光到Ra0.025цm,光刻侵蚀性能好 适用于制造压缩模、注射模、压注模;经整体淬火、回火后还可制造冷冲模、级进模等
2Cr13 是马氏体型不锈钢,具有良好的韧性和冷变形性,硬度比1Cr13稍高,而耐蚀性则略底于1Cr13,冷态时的拉深、冷冲工艺良好,焊后硬化倾向较大,易产生裂纹。用于要求抗一定腐蚀性的塑料模具
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条