液

Results:(1) Progesterone-treated models showed intact nasal mucosa, regular ciliary lining and inactive glands;(2) Untreated or normal saline treated models showed disrupted mucosa, inverted cilia and massive mucosal infiltration of neutrophils;(3) Smearing of nasal discharge revealed limited vs abundant number of neutrophils in SD models treated with progesterone vs untreated or treated with normal saline.(4) Hoechst stain: significantly fewer apoptotic cells per field were found in progesterone-treated models (1.583 ± 0.28) compared with untreated or normal saline treated models (2.85 ± 0.285 and 4.8 ± 0.715, respectively).

结果：(1)用黄体酮滴鼻液治疗的SD大鼠鼻腔黏膜上皮完整，纤毛整齐，腺体开放不多；(2)用或不用生理盐水滴鼻液治疗的SD大鼠鼻腔黏膜上皮纤毛倒伏，上皮结构散乱，上皮层大量中性粒细胞浸润；(3)鼻腔分泌物涂片示黄体酮滴鼻液治疗的SD大鼠有少许中性粒细胞，而用或不用生理盐水滴鼻液治疗的SD大鼠鼻腔分泌物含有大量中性粒细胞；(4)Hoechst染色：用黄体酮滴鼻液治疗的SD大鼠鼻腔黏膜上皮凋亡细胞数［(1.583±0.28)/视野］明显少于用或不用生理盐水滴鼻液治疗的SD大鼠［分别是(2.85±0.285)/视野和(4.8±0.715)/视野］。

Aqueous extract of cotton has allelopathic effect on Raphanus sativus, Brassica campestris, Lactuca indica, Brassica campestris, Echinochloa crusgall, Setaria viridis and Abutilon theophrasti and its inhibition effect gradually strengthens with increasing concentration. Aqueous extracts from stems, leaves and roots of cotton inhibit or accelerate seed germination and seedling growth, and activity of enzyme of seedling root of cotton. While aqueous extracts from stems and leaves of cotton are 0.02 gmL^(-1), root length, shoot length, lateral root number and dry weight of cotton respectively increase by 10.3%, 3.1%, 22.9% and 2.4% over the control. The above mentioned indexes are lower than the control by 34.4%, 39.2%, 40.6% and 19.0% respectively as the aqueous extracts are 0.1 gmL^(-1). At the same time, root activity and SOD activity decrease by 38.2% and 36.7%, while POD activity and MDA content increase by 52.3% and 36.5%. Growth indexes of plant receptors increase at low concentrations but decrease at high concentrations of aqueous extracts. The allelopathic effect of aqueous extract of stems and leaves is stronger than that of root.

结果表明：棉花植株水浸提液对萝卜、白菜、莴苣、油菜、稗草、狗尾草、苘麻均具有化感效应，随着作用浓度增加，抑制效应逐渐加强；棉花茎叶和根系水浸提液对棉花种子萌发、幼苗生长、幼苗根系活力、根系酶活性有抑制或促进作用，当茎叶浸提液浓度为0.02 gmL^(-1)时，棉花根长、苗高、侧根数、干重分别比对照增加10.3%、3.1%、22.9%和2.4%，当浓度为0.1 gmL^(-1)时，上述指标与对照相比分别降低34.4%、39.2%、40.6%和19.0%，而根系活力、SOD活性比对照降低38.2%、36.7%，POD活性、MDA含量较对照增加52.3%和36.5%，不同浓度棉花植株水浸提液对棉花生长呈现"低促高抑"的规律，且茎叶浸提液作用效应大于根系浸提液。

The simulation floating zone modelwith zero temperature gradient in the middle of the hot rod is proposed to simulate thehalf part of the full floating zone convection,since the temperature gradient in the middleof a full floating zone approaches zero.

根据加热方式的不同，可以将半浮区液桥分为通常半浮区液桥模型、模拟半浮区模型以及改型半浮区模型。通常半浮区液桥模型，液桥热端材料一般选择为金属材料，使得热端温度分布均匀。液桥产生热毛细对流时，在液桥热端内侧存在较大的轴向温度梯度。而在全浮区热毛细对流中，浮区中间的轴向温度梯度在对称条件下应该接近于零。

By means of silty fine sand layers, the paper researches the grouting systems that consists of cement single liquid grouting material, MC super and thin cement single liquid grouting materials, cement and water glass of liquid grouting materials, MC super and thin cement and water glass of liquid grouting materials, TGRM single liquid grouting material, and HSC single liquid grouting material, respectively. The grouting design, grouting parameter, grouting result check of the karst cave No.2 and two passive countermarch returns to fill the situation are analyzed, which can provide an important reference for future tunnels under similar geological conditions.

针对2溶洞平导高压富水粉细砂层地质特点，研究出了由普通水泥单液浆、超细水泥单液浆、普通水泥－水玻璃双液浆、超细水泥－水玻璃双液浆、TGRM单液浆和HSC单液浆组成的注浆材料配套体系，并对2溶洞平导施工过程中出现的2次较为被动的后退回填局面以及施工中的注浆设计、注浆参数选择和注浆效果检查评定进行了总结分析，以期对类似工程的设计、施工提供借鉴价值。

A high resolution digital camera and image processing were used to investigate the process of drop formation in a normal CFB experimental system.

液液雾化过程是液液循环流化床的关键技术之一，在流化床常态实验装置上，采用快速摄像与图像处理相结合的方法，获得了实验流量范围内液滴形成过程的图像以及形成液滴的粒径信息，运用数学分布函数对液滴的粒径分布进行了研究。

Numerical simulation results show that the fluid flow in Lost Foam Process was different from that in an ordinary green sand mold, the molten metal flow forwards in a circular-arc shape from the ingate, meanwhile, the nature of the gating system influenced the filling process notably. As the polystyrene pattern decomposition has a strong quenching effect on the flowing metal fornt, a high temperature gradient was formed at the flowing metal front, this resulted in the dropping of temperature of the metal to the liquidus temperature quickly and decreased the flowability of molten metal, the temperature distribution in the metal behind, however, was even. The properties of the pattern and the coating affected the temperature distribution remarkably.

从内浇口开始，金属液呈放射状均匀向前充填，同时浇注系统性质显著影响金属液充型过程的流场；由于聚苯乙烯模样气化吸热对金属液的激冷作用，在金属液流端部区域产生很大的温度梯度，使得端部区域金属液很快降至液相线温度，降低了金属液的充型能力，而后续金属液中温度分布则比较均匀，模样性能、涂料性能显著影响这一温度分布特点。

The invention belongs to the fluid measuring technical field and relates to an oil, gas and water three-phase oil well continuous gauging device, which comprises a high-efficient gas-liquid separator; the high-efficient gas-liquid separator is connected with an oil, gas and water three-phase inflowing port; a gas phase outlet of the oil, gas and water three-phase inflowing port is connected with a gas phase measuring pipeline; a gas path temperature sensor, a gas path pressure sensor and a gas path endocone flowmeter with high-frequency differential pressure transmitter are arranged on the gas phase measuring pipeline; a liquid phase outlet of the high-efficient gas-liquid separator is connected with a liquid phase measuring pipeline; a liquid path Coriolis mass flowmeter and a liquid path endocone flowmeter are arranged on the liquid phase measuring pipeline; and the cross section of the pipeline for mounting the liquid path Coriolis mass flowmeter is more than the cross section of the pipeline for mounting the liquid path endocone flowmeter.

本发明属于流体测量技术领域，涉及一种油、气、水三相油井连续计量装置，包括高效气液分离器，高效气液分离器与油、气、水三相流入口相连，其气相出口与气相测量管路相连，在气相测量管路上装有气路温度传感器、气路压力传感器、带有高频差压变送器的气路内锥流量计；高效气液分离器的液相出口与液相测量管路相连，在液相测量管路上装有液路科氏质量流量计和液路内锥流量计，安装液路科氏质量流量计的管路的截面积大于安装液路内锥流量计的管路的截面积。

At constant viscosity, by increasing the liquid flow rate, the liquid film's velocity is increased; at the same experiment condition, the frequency of the liquid film is same at the same radial direction; the air current has minimum effect on liquid film bottom flow velocity, while it has an obvious effect on liquid film surface flow velocity. The longer the distance between liquid film and the inlet, the lower the pulsatory frequency and longer the wavelength.

在粘度基本不变的情况下，随着液体质量流率的增加，液膜流动速度随之增加；在同一个实验条件下，沿圆管径向各质点的频率基本保持不变；气流场速度对液膜底层流动速度影响很小，对于液膜表面流动速度有着较大的影响；沿液膜流动方向，液膜的脉动速度逐渐增加，脉动频率降低，脉动波长变长，与报道的通过快速摄像得到的液膜发展趋势一致，证实用PDA研究液膜流动是可行的。

The thesis makes a wellbore pressure and temperature distribution allegiance calculation forecasting model which takes the seawater temperature field and coefficient of heat transmission into account based on the study of the related theories. And the thesis makes a research of the impact of Reynolds Number upon drag coefficient based on the classical Tunner Droplet Model, and makes the critical flow rate model of liquid lift for Ya 13-1 gas field from the perspective of security.

通过理论研究，建立了考虑海水温度场及传热系数的适用于崖13-1气田的井筒压力、温度分布耦合计算预测模型；从气井积液机理研究出发，建立了高低气液比携液临界流量的计算模型，在高气液比携液临界模型的推导中，以经典的Tunner液滴模型为基础，研究了雷诺数对曳力系数的影响，从安全考虑建立了适用于崖13-1气田的携液临界模型。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。