龄

就车龄而论，这辆车的状况好极了。

The car is in remarkably good condition for its age .

在天然光线下饲养的小鸡，经常是在一日龄时或在进入育雏室后几天内断喙。

Chicks reared under natural light are frequently debeaked AT1 day of age or a few days after delivery to the brooder .

他已有三十年警龄。

He has30 years of police service .

10周龄体尺指标之间体现骨胳生长的指标如颈长、体长、胸骨长之间有显著的相关性（P＜0.05）。

The correlation between the neck length , stem length and sternum length were significant ( p < 0.05 ) .

性状的遗传方差、变异系数及重复力（R）的枝龄有关。

Variability coefficient and repeatability ( R ) of characters were related to branch ages .

14日龄第Ⅲ、Ⅳ组鱼体磷脂含量显著高于第Ⅰ组（P＜0.05），21日龄各组间鱼体磷脂含量无显著性差异（P＞0.05）；

Body PL contents of 14-day-old larvae in group ⅲ, ⅳ were significantly higher than group I ( P < 0.05 );

KM小鼠哺乳期内日龄与体重的关系

Correlation between days and liveweight of KM mice in milking period

另取20只正常雌性8周龄SD大鼠作为空白组（C组）。

In addition , 20 normal eight-week-old SD rats were used as blank group ( group C ) .

GC（02）球虫病疫苗的最佳免疫剂量与免疫日龄的研究

Research of Optimum Immune Dosage and Age of GC_ ( 02 ) Coccidian Vaccine

目的：了解正常5月龄SD大鼠空间学习记忆行为的变化规律。

Objectives : To study the laws of the spatial learning and memory in rats .

方法APP转基因小鼠从4~10月龄灌胃给予参乌胶囊。

Methods APP transgenic mice were administered intragastrically by Shen-wu capsule or water from 4 to 10 months old .

另一批未处理的APP转基因小鼠饲养至10月龄开始灌胃给予TSG6个月。

For un-treated 10 months APP Tg mice , TSG were administrated to them from 10 to 16 months old .

IgA肾病随增龄变化的特点及其与预后指标的关系

Study on the association of prognostic indices with the renal pathological lesions with aging in IgA nephropathy

目的观察胰岛不同月龄组大鼠胰岛A和B细胞的分布规律，为临床胰岛细胞移植手术的成功开展提供参考。

Objective To observe the distributed pattern of the islet A and B cells in rats of varying months , and provide a reference for the success of the islet cell transplantation .

方法随机选取409只对不同月龄自繁食蟹猴，采用BVELISA法进行BV抗体监测。

Method BV antibodies of 409 captive-bred cynomolgus monkeys selected randomly were monitored strictly with BV ELISA .

龄期对碳纤维RPC力学性能的影响跟养护制度有关。

An impact on carbon fiber RPC mechanical properties relates to the fact that maintain the system age .

24周龄SHR心率与正常大鼠相近，而左心室重量指数显著增高，同时发现24周龄SHR的右心室与左心室有同比例肥大。

We also found the right ventricular had the same rate hypertrophy with the left ventricular .

GH细胞密度，胚胎早期升高，晚期随胎龄增长逐渐下降。

The density of GH-cells increases in early embryo and decreases gradually with fetal ages in late embryo .

选择1日龄爱拔益加（AA）商品肉鸡135只，随机分成3个组（A、B、C组），每组设3个重复，每个重复15只。

135 one-day-old AA broilers were randomly divided into three groups ( A , B and C ), with three replications in each group and 15 broilers in each replication .

方法4周龄雌性Wistar大鼠48只，分两批试验：每批24只，随机分为1个实验组和1个对照组（虚拟暴露组）。

Methods Female Wistar rats at age of 4 week-old were randomly divided into 4 groups ( 12 rats in each ) .

各日龄组甲状腺滤泡的变化和甲状腺分泌的含量变化与T4的波动相一致。

The fluctuations of thyroid follicles and secretion of thyroxine are in keeping with that of T4 .

北京地区中老年人糖尿病和IGT患病率与增龄相关性的分析

Prevalent changes of diabetes and IGT with age increment in middle and old age population in Beijing

用6月龄大月份流产的新鲜肝脏组织为材料，提取总RNA，通过反转录得到cDNA，并以此为模板，经PCR得到人Angiostatin基因的AK（1-3）片段。

Human angiostatin k ( 1-3 ) cDNA has been obtained by RT-PCR from total RNA of an abortive foetus of six months .

方法：10月龄雌性SD大鼠手术切除双侧卵巢后1周口服葛根异黄酮，连续7个月，在第1.5、4.0和7.0个月时测定血清或肝脏的脂质水平。

TIP was administrated orally for 7 months . Serum lipids were determined at 1.5,4.0 and 7.0 months , and liver lipids were detected at 7 months .

结果表明，免疫前，8日龄雏鸡的ND抗体效价为25.8,18日龄雏鸡的ND抗体均为阴性；

The results show , ND antibody titers of 8 d chicks were 2 ~ ( 5.8 ) and that of 18 d chicks were all negative before inoculation ;

120日龄，仅有圆核和下丘脑室旁核等少数核团出现有NGF阳性产物；

In the diencephalons of chicken of 120 day , NGF-IR positive neurons are found only in Nucleus rotundus and paraventricular nucleus , etc.

方法：给予4周龄Wistar大鼠低碘饲料和去离子水喂养3个月，全面观察甲状腺各项相关指标的变化。

Methods : We fed 4 week-old Wistar rats with iodine-deficient forage and deionized water for 3 months and studied the relative indexes of thyroid .

目的：比较分析不同月龄段大鼠胃机械&电活动变化及胃肠粘膜、脑组织中GAS、MTL、VIP水平。

Purpose : To study the aging associated change of gastric electro-movement and the level of GAS , MTL , VIP in gastrointestinal mucosa and brain tissue .

选用12日龄蛋公雏90只，随机分成3组，Ⅰ组每羽肌注鸡血清制剂1mL；

Male chicks of 12 day old were divided into three groups .

选1日龄Avian肉仔鸡204羽，随机分成4组（每组3个重复，每个重复17羽）。

Two hundred and 4 healthy 1-day old Avian broiler were randomly divided into 4 treatments , each including 3 replicates ( 17 birds per replicate ) .