性交

There is abrupt phase change in nonsinusoidal waves modulation. It can easily produce impulse current and bring large difficulty to high-power emission system; so it is not beneficial to holding the orthogonality between the orthogonal pulses and demodulating information.

非正弦波调制信号存在相位突变，在工程实践中易产生较大的冲击电流，给大功率发射系统带来较大困难；而且相位不连续也不利于保持正交脉冲间的正交性，不利于信息的正确解调。

Inbred strains of mice and outbred rats received an intraplantar injection of honeybee venom and the between-group and within-group correlations were calculated for spontaneous nociceptive measures, thermal and mechanical hypersensitivity, and edema and temperature.

将一个剂量的蜜蜂毒(0.05mg/0.025ml)注入12个近交系（129P3/J、A/J、AKR/J、BALB/cJ、C3H/HeJ、C57BL/6J、C57BL/l0J、C58/J、CBA/J、DBA/2J、RⅢs/J和SM/J）小鼠或6个剂量的蜜蜂毒(0.001、0.005、0.01、0.05、0.1、0.2mg/0.05ml)注入远交系(Sprague-Dawley)大鼠的一侧足底皮下，分别检测自发伤害性反应、热和机械性痛敏，以及炎症的水肿和局部皮温，然后对组间和组内数据进行相关性分析。

Therefore, we selected common species of Ranunculaceae. comparative primordial plants in Alpine Meadow at Eastern QinghaiTibetan Plateau, and studied the reproductive strategies, such as reproductive allocation, especially sex allocation, to understand how the plants adapt the environmental conditions. The results showed:(1) At higher altitude, the self-incompatible plant, such as Trollius ranunculoides tended to become limited by pollination rather than by nutrient availability, while the self-compatible plants, such as Anemone rivularis and A. obtusiloba seemed not to be limited by pollen availability, which suggested that ability of self pollination for alpine plants may be a mechanism of reproductive assurance.(2) Influences induced by high altitude on the reproduction of these species occurred on different reproductive characters, which suggest species-specific adaptive strategies. The influences are dependent on plant size to some extent.

因此，我们选择在青藏高原东部的高寒草甸，以比较原始的植物类群—毛茛科植物为研究对象，选择一些常见种探讨其繁殖对策，如繁殖分配和性分配问题，试图揭示这些植物如何适应环境条件，最后的结果表明： 1高寒草甸高海拔区，自交植物(如小花草玉梅A.rivularis和钝裂银莲花A.obtusiloba)的繁殖不受花粉限制，而完全异交植物(毛茛状金莲花T.ranunculoides)的繁殖受花粉限制，表明高海拔地区植物的白花授粉能力可能是一种繁殖保障机制，能够避免恶劣环境对植物有性繁殖的不利影响； 2海拔高度对植物的影响因种而异，不同的物种受影响的繁殖性状不同，即使同属亲缘种间也存在差异，表明不同物种对相似环境压力的适应对策不同；而且，海拔高度对植物的影响在一定程度上依赖于植物个体大小，说明植物通过调整其个体大小与繁殖性状的关系来适应环境梯度的变化； 3植物花期和果期的繁殖分配并不完全随海拔升高而减小(只有小花草玉梅的果期RA随海拔升高而减小30％)，与Iwasa和Cohen的预测不完全一致(他们认为繁殖分配随生长季缩短而减小)。

This improvement is attributed to the mechanism of ATRP in the crosslinking system.The reve...

ATRP对交联结构均匀性的改善与其聚合机理有关，初级链的同步增长以及悬挂双键的均匀分布有利于抑制微凝胶的形成，获得均匀的交联结构。

A pH-responsive controlled releasing carrier for medicine is a chitosan-base gel which is prepared from Chitosan, gelatin and pectin through cross-linking by aldehyde cross-linking agents, and features obvious pH dependency, high biocompatibility and abling to biologically degradate. It can be used for detention-type controlled releasing medicines to avoid toxic' by-effect due to excess dosage.

一种pH响应性药物控释载体，采用壳聚糖、明胶和果胶等天然高分子材料用醛类交联剂共交联合成了壳聚糖基凝胶，用该凝胶制备的药物释放体系呈明显的pH依赖性，用于口服抗酸、治疗胃肠疾患的滞留型控释制剂，可避免释放药量过度导致的毒副作用，且该控释载体生物相容性好、可生物降解。

At first, we made up an appropriate configuration of design and determined which factors might have effect on slim products. Then we determined control factors and standards of control factors that were set according to the standard of Dr. Taguchi's experimental orthogonal array. With the bigger the better of orthogonal array, L9(3^4), we conducted confirmation procedure on operating factors by use of cypress essential oil on slim cosmetics. The experiment was used to obtain best combination of parameters by S/N ratio and characterizations that were based on the data constructed by Taguchi Methods.

首先，决定配方中的控制因子以及控制因子的水准，依照田口方法中直交表的设定，配合实验之望大特性，利用L9(3^4)直交表所建立的数据资料别以S/N比及品质特性两方面进行最佳化参数组合之求取，並依照所决定出之最佳化参数进行確认，最后再以变异分析来確认重要因子的存在性。

These results suggested that adrenal corticoids play an important role in maintaining sympathetic tone on the central cardiovascular regulation and basal BP, and that the enhancement of cardiovascular activities produced by adrenal corticoids may be one of the important causes in the incidence of stress-induced hypertension.

提示肾上腺皮质激素在维持中枢性心血管交感紧张性和正常血压中起正性调节作用，并提示有可能肾上腺皮质激素在rVLM心血管活动的加强作用为应激致高血压发病机制中的重要环节之一。

During the fracturing for low pressure and low permeability gas reservoirs, there are some main problems in conventional hydroxypropylguar - organic boron cross-linking system: Firstly, the water-lock damage to low pressure and low permeability gas formations by filter liquor; Secondly, the reason for alkali-sensitive damage in alkali-sensitive reservoirs is that conventional hydroxypropylguar - organic boron cross-linking fracturing fluids were cross-linked under alkaline environment, while the permeability of reservoirs is reduced greatly; Thirdly, the formation pressure is low, and the energy of flow back is not enough, at present, the main measure in oil fields is "injecting with liquid nitrogen", but this technique increased the cost of fracturing, making great troubles in operating, and leaving the liquid nitrogen also is a big problem.

在低压低渗透气藏的压裂改造过程中，常规羟丙基胍胶-有机硼交联压裂液体系存在的主要问题，一是压裂液滤液对低压低渗透气层造成的水锁损害；二是常规羟丙基胍胶-有机硼压裂液是在碱性条件下交联的，对碱敏性储层造成碱敏损害，降低储层渗流能力；三是地层压力低，压裂液返排能量不足，当前各油田采取的措施主要是&液氮伴注&技术，但是&液氮伴注&技术增加了压裂的费用，而且液氮存放也存在较大问题。

Methods Baicalin gelatin microspheres were prepared by emulsion chemical-cross linking method with degradable gelatin as carrier, liquid paraffin as oil phase, Span-80 as emulsifier.

以天然的可生物降解的明胶为载体，液体石蜡为油相，Span80为乳化剂，戊二醛为交联剂，采用乳化化学交联法制备黄芩苷明胶微球，测定明胶微球的平均粒径、载药量、包封率，并对工艺重现性进行了考察。

Flow pattern computation is carried out by using a modified function of stream function Laplace equation proposed by the author, and the flow fields of heterogeneous goafs with complicated shapes and along the boundary direction can meet the condition of orthogonality of flow net, and at the same time the orthogonality can be controlled by the precision of split meshes.

指出用 流函数Laplace方程修正函数，对复杂形状和沿多边界方向非均质的采空区流场计算，仍能满足流网正交，其正交性可通过剖分网格精度来控制。

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％。