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Larches of different ages have different net photosynthetic rate: the photosynthetic capacity of the young ones are bigger than that of the old ones; the stand density do not affect the net photosynthetic rate obviously; as far as the different stand classes are concerned, the diurnal changes of net photosynthetic rate is closely related to the photosynthetic active radiation. For the different layers of the crowns, there are greater ecological factors (illumination intensity, temperature, humidity etc.) on the upper layers than on the lower layers: the CO2 concentration of the lower layers is greater than that of the upper layers, which is indeed an exception; the net photosynthetic rate on the upper layers of the crown is generally greater than that of the lower layers. It showed that the CO2 concentration is not a main factor in the natural changing range of the CO2 concentration. Different directions of the crown have different photosynthetic active radiation, which is generally like exposed to the sun﹥North﹥in the shade of crown. However, the changes of net photosynthetic rate are not quite the same, which is North﹥exposed to the sun﹥in the shade of crown.

不同年龄的兴安落叶松净光合速率不同，年龄小的个体光合能力高于年龄大的个体；群团密度与净光合速率没有显著的相关关系；而对不同分级木，净光合速率日进程变化规律与光合有效辐射有着密切的联系；林内树冠不同层次各生态因子有上层大于下层的趋势，而CO2浓度在下层的含量高于上层，净光合速率上层普遍大于下层，说明在林内自然CO2浓度变幅内，CO2浓度不是主要因子；兴安落叶松树冠不同方向的光合有效辐射不同，一般向阳﹥北向﹥背阴，而净光合速率变化有北向﹥向阳﹥背阴的趋势。

In this study, the contents of DDTs in shoots and stems varied obviously with maizes and pastures, even among eight maize cultivors.

本文的主要研究成果如下：（1）供试牧草茎叶和根系中DDTs的含量均显著高于玉米，墨西哥玉米等品种茎叶和根系中DDTs的含量也显著高于其它玉米品种。

The experiment of BALB/c mice immunized with the DNA vaccines showed that pA and pEA could induce simultaneously specific antibodies against serotypes A, Asia1, and O FMDV, and the highest antibody titres were found in the pEA and inactivated vaccine groups compared to pA vaccinating mice. Compared with the control, the levels of IL-2, IFN-γ, IL-4, and IL-10 expression by splenic lymphocytes from mice immunized with pA and pEA were significantly increased.

小鼠免疫实验表明， pA和pEA免疫组的血清抗体均能分别与O型、A型和AsiaI抗原反应，与对照组相比差异较显著，且pEA免疫组和灭活疫苗免疫组抗体水平均显著高于pA免疫组；同时pA和pEA免疫小鼠细胞因子IL-2、IFN-g、IL-4和IL-10较对照组显著提高，且pEA免疫组的IL-2、IFN- g和IL-4水平明显高于pA免疫组。

The happening and developing process of mother-infant relationship in the first month after birth.The frequency of feeling and chemical communication behavior between mother and infant in the pre-period are higher than in the mid-period and post-period; the frequency of aural communication and visual communication behavior between mother and infant in the mid-period are higher than in the pre-period and post-period.

一月龄内小熊猫母幼通讯行为的发生、发展规律小熊猫母幼间的触觉通讯行为和嗅觉通讯行为在一月龄内的前期显著高于中、后期；听觉和视觉通讯行为在中期显著高于前、后期；这说明小熊猫的母幼通讯行为方式的变化规律与母幼关系的发生、发展规律及幼仔的生长规律是相适应的。

these results demonstrate that myopes are less sensitive to the presence of blur, and this may in part explain the phenomenon that myopes show a greater accommodative lag.

近视组的模糊阈值高于正视组（p＝0.001），近视组中，进展性近视组的模糊阈值高于稳定性近视组（p＝0.028）。

The study showed that CH can obviously short- en the fermentation time and enhance the acidification speed.The effect was related to the kinds of the en- zymes.

结果表明，酪蛋白水解物具有明显促进低脂发酵酸奶发酵、缩短发酵时间的作用，中性蛋白酶的促进发酵效果最好，木瓜蛋白酶次之，碱性蛋白酶和胰酶的效果相差不大；各添加样在整个发酵过程中发酵速度都高于空白样，甚至高于双倍接种量的空白样。

The results indicated that, when dissolved oxygen concentration varied from 6 mg/L to 9 mg/L, turbots in nano-metre pure oxygen system were higher on growth, survival rate and feed conversion efficiency than those of air system; A farming trial was conducted to determine growth difference of turbot between pure oxygen and air system. Length growth, weight growth, survival rate and FCE were better in nano-metre pure oxygen system than air system. The results suggested that nano-metre pure oxygen was better than aeration in turbot farming system when dissolved oxygen concentration was from 6~9 mg/L.

结果表明，微米纯氧Ⅰ组大菱鲆的体重增长、成活率、肥满度及饵料转化率高于机械增氧组；微米纯氧Ⅱ组各指标低于机械增氧组。7个月的大规模生产试验（800 m2水面，溶解氧6~9 mg/L）表明，采用微米纯氧气泡增氧养殖大菱鲆，各测定指标均显著高于机械增氧，可以加快大菱鲆生长，提高成活率和饵料转化率。

Conversely,the content of crude fiber,dry matter and nitrogen-free extract were high in setting stage although the content trends aneurolepidium dasystachys has a little different.

其中赖草的干物质、蛋白质、粗脂肪、无氮浸出物和粗灰分含量显著高于川草ⅰ号、川草ⅱ号、垂穗鹅冠草和硬杆仲冰草等4种草。5种草不同生育期营养成分的分析结果表明，各草种分蘖期和孕穗期的粗水分、粗灰分、蛋白质、粗脂肪以及钙、磷含量明显高于结实期，而粗纤维、干物质和除赖草外的无氮浸出物含量则相反。

RESULTS: Expression of iNOS proteins was seen on day 1 following the control stent implanting, developed on day 3, peaked on day 10 and lasted till day 28. iNOS expressions at all time points in diallyl trisulfide coated stent group were higher than those in control stent group. Compared with normal blood vessel tissue, the NO production after stenting decreased on day 1, increased on day 3, maximized on day 10, went down to its pre????stenting level on day 28. At all time points, NO levels in allitridi????stented sites were higher than those in control????

结果： 对照支架组术后1 d血管壁中有少量iNOS蛋白表达，3 d表达增加，10 d达高峰，28 d时仍有表达，二烯丙基三硫化物涂层支架组iNOS蛋白在各时间点的表达量均高于对照支架组；对照支架组术后1 d时NO生成量低于正常组织，3 d时NO水平升高，10 d时最高，28 d时降至基线水平，二烯丙基三硫化物涂层支架组各时间点的NO水平明显高于对照支架组。

Results: expression of inos proteins was seen on day 1 following the control stent implanting, developed on day 3, peaked on day 10 and lasted till day 28. inos expressions at all time points in diallyl trisulfide coated stent group were higher than those in control stent group. compared with normal blood vessel tissue, the no production after stenting decreased on day 1, increased on day 3, maximized on day 10, went down to its pre stenting level on day 28. at all time points, no levels in allitridi stented sites were higher than those in control stented sites.

结果： 对照支架组术后1 d血管壁中有少量inos蛋白表达，3 d表达增加，10 d达高峰，28 d时仍有表达，二烯丙基三硫化物涂层支架组inos蛋白在各时间点的表达量均高于对照支架组；对照支架组术后1 d时no生成量低于正常组织，3 d时no水平升高，10 d时最高，28 d时降至基线水平，二烯丙基三硫化物涂层支架组各时间点的no水平明显高于对照支架组。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。