龄

Methods Dynamic changes of biomass, residual glucose concentration and pH in submerged culture was investigated with Tricholoma matsutake stain, which was isolated and identified by RAPD-PCR method. By comparing the effect of different inoculum ages on biomass, the optimum inoculum age was determined.

方法经RAPD-PCR 分析确认松茸菌丝体菌种，研究松茸液体深层发酵过程中菌丝体的生物量、残糖浓度和pH随时间变化的过程；比较不同种龄对菌丝体积累的影响，确立最佳接种种龄；比较不同初始糖浓度发酵过程的结果，运用中间补糖的方法，确定最优的补糖时间。

Hens were then backcrossed to males of Red-feathered Taiwan Country Chicken to produce offspring for the evaluation of the possibility for commercial production.

自16周龄上笼后观测产蛋性状至50周龄并回交红羽公鸡，评估其子代作为商用肉鸡之可行性。

The results showed that the metabolizable energy for maintenanceand erude protein for maintenace of the clucks on the average were 925.82KJ/W0.75/d,10.200.7g/W0.75/d in 1st to 21th day of age and 884.52KJ/W0.75d.8.23g/W0.75/d in 22th to 49th day of age,respectively.

结果表明，樱桃谷肉鸭的平均维持代谢能和维持粗蛋白的需要量是：1～21日龄MEm=925.8 KJ/W~(0.75)/d，CPm=10.2g/W~(0.75)/d：21～49日龄MEm=884.5 KJ/W~(0.75)/d，CPm=8.2g/W~(0.75)/d。

The results indicates, with the same level of other parameters, the TN removal can reach 80.0% and 70.9% with the control of dissolved oxygen under the levels of 0.3-0.6mg/l and 0.6-0.9mg/l, respectively; the TN removal upgrades from 80%, 83% to 84.1% with the decrease of sludge load in the system from 0.1, 0.07, to 0.05gCOD/gMLSS·d; the nitrogen removal only reaches 58% when C/N is 4, but can reach more than 80% when C/N is at or over 7, which indicates that the TN removal increases when higher C/N ratio; when HRT increases from 12h, 18h to 24h, the TN removal also increases from 78.6%, 82.0% to 83.0%; the TN removal average in the system increases from 75.6%, 78.5% to 83.0% with the increase of sludge age from 18d, 20d to 24d; the low oxygen conditions in the modified Orbal oxidation ditch model do not decrease the effect of COD removal, and the dissolved oxygen gradient with the distribution of 0-2-1mg/l in the system ensures the COD removal reaching the range of 80%-86%; and the phosphate removal, however, is not good enough, which varies from 40% to 50%, even lower than 35% in occasional situations, and the phosphate concentration in the outflow varies in the range of 1.28-2.38mg/l, which dissatisfies the discharge standard with the level of 1.0mg/l.

试验结果表明，在其它参数相同的情况下，将外沟道的溶解氧分别控制在0.3～0.6mg/l 和0.6～0.9mg/l 两个水平，外沟道中TN 去除率分别为80.0%和70.9%；系统中污泥负荷分别为0.1gCOD/gMLSS·d、0.07 gCOD/gMLSS·d、0.05 gCOD/gMLSS·d时，随着污泥负荷的降低，TN 的去除率却是上升的，分别为80%、83%、84.1%；本试验中，当C/N 为4时，仅能获得58%的脱氮率，当C/N 为7 或更高时脱氮率能达到80%以上，进水C/N 比值越高，总氮的去除率越高；在本试验中采取的水力停留分别为12h、18h、24h 时，外沟道中的总氮去除率随水力停留时间的增加而增加，分别为78.6%、82.0%和83.0%；当系统泥龄分别为18d、20d、24d 时，系统平均TN 去除率分别为75.6%、78.5%、83.0%，随着泥龄的增大TN 的去除率增加；改良型奥贝尔模型的低氧条件并没有降低COD 的去除效果，系统0-2-1mg/l的溶解氧梯度分布使得COD 去除率一般都在80%～86%之间；本试验中磷的去除效果不好，去除率基本在40%～50%之间，有的甚至低于35%，出水磷的浓度在1.28～2.38mg/l 之间，低于1.0mg/l 的出水排放标准。

METHODS: p53 and p53 male mice at age of 2 and 12 months were made ischemic by clamping left renal hila for 45 min.

分别建立低龄（2月龄）和高龄（12月龄）p53和p53鼠左肾IRI模型。

The mine length of third instars was 5.1- and 2.9-fold longer than that of first and second instars, respectively.

第三龄幼虫之取食隧道长度各为第一与第二龄幼虫之 5.1 与 2.9 倍。

Analysis and evaluation of nutritional components of Oxya chinensis Thunberg in different instars

通过对金纹细蛾幼虫脱皮和头壳宽度的测量，测得幼虫龄期为5龄。

Spatial heterogeneity of the eggs and adults in higher density, adults in lower density were caused by random factors, but spatial variability of the 2~4 instars nymphs in the higher density, and of the eggs and 2~4 instars nymphs in the lower density were spatially autocorrelated.

在高密度下卵和成虫及低密度下成虫的空间异质性是由随机因素引起，而高密度下2~4龄若虫及低密度下卵和2~4龄若虫的空间异质性是由空间的自相关因素引起。

In the model of two dimensions, an equation of dosage-mortality linear regression ofBxs or Mf2 for the 3 instars larva has been established and LC50 has been estimated.

二维模型：建立了Bxs、Mf2菌株对3龄幼虫的剂量-死亡率直线回归方程并估算出LC50，以及Bxs、Mf2菌株分别在1×108、1×107、0.5×107、1×106、0.5×106、1×105和1×104孢子/ml浓度下对3龄幼虫的时间-死亡率直线回归方程和LT50。

It is thus thought that the distribution, movement and metabolism of VB 6 compounds are different from those of mammals, and these are the reasons why almost no larvae could reach the next instar when newly molted larvae were reared on a VB 6-deficient diet.

同时家蚕体内缺乏具储存VB6功能的辅酶型磷酸吡哆醛结合蛋白，推测这是用缺乏VB6的饲料饲育各龄起蚕，幼虫当龄死亡的主要原因。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。