气孔的

We research the effect of different fertilizer combination and leaf minerals content on the photosynthesis of rubber tree mainly from photosynthetic rate,stomatal conductance,chlorophyll content...etc.,and filter the best fertilizer combination which promoting rubber tree photosynthesis efficiently proceeding, the aim is to provide basal theories for the cultivation of rubber tree.

研究了不同施肥对光合速率、气孔导度、叶绿素含量等方面橡胶苗木叶片光合特性的影响，并从中筛选出促进橡胶树光合作用高效进行的最佳肥料组合，旨在为橡胶树的生产栽培提供理论依据。

Reasonable movement of discharge valve has great influence on flowing losses and life of valve.

排气阀片的运动规律合理与否，关涉到排气孔口处的流动损失及阀片的寿命。

The defects, such as blowholes and incomplete penetration, occasionally appear in the welding process. These defects can affect the quality and the security of products. Therefore, defects detection in welding seam is extremely important.

在工业探伤领域，由于焊接过程出现的各种问题，会导致焊缝中含有气孔和未焊透等缺陷，影响产品的质量和安全，所以焊接图像中缺陷目标的检测十分重要。

This paper researches on 4100QB Cylinder-block of the KW moulding line, particularly introduces the forming mechanism of blowholes on 4100QB Cylinder-block. This paper also analyzed the producing reason of blowholes from ...

本论文还从造型砂处理、制芯、熔炼、模具等方面全面分析了侵入性气孔产生的原因，并制定了相关的改进措施，使4100QB机体气孔废品率从1.5％下降到了0.5％左右，从而获得了满意的经济效果。

With the increasing of Pb and Cd concentration and the prolongation of the time, the net photosynthetic rate, stomatal conductance, transpiration rate of all hybrid tulip trees decreased and the downtrends of NE60 and NEF14 which were stress- resistence were small. But the changes of intercellular CO2 concentration were difference.

在Pb、Cd胁迫下，杂交鹅掌楸净光合速率、气孔导度和蒸腾速率均随胁迫浓度的增加和胁迫时间的延长而下降，且抗性较强的NE60、NEF14降幅较小，而胞间CO2浓度随浓度和时间变化各杂交鹅掌楸变化存在差异。

The production cost of new chromite powder compound coatings is half of zircon coatings. The surfaces of castings that are produced used new chromite powder compound coatings are smooth without adhering sand and gas- hore.

例。新型铬铁矿粉复合涂料生产成本仅约锆英粉涂料的二分之一，可代替价格昂贵的锆英粉涂料生产无粘砂，气孔等缺陷，表面光洁的合金钢和碳钢铸件。

Cutin A group of substances chemically related to fatty acids forming a continuous layer called the cuticle on the epidermis of plants, interrupted only by stomata or lenticels.

cutin 角质：化学组成上类似脂肪酸的一类物质在除气孔，皮孔以外的植物表皮上形成连续的角质层。

The net photosynthetic rate,stomatal resistance,concentration of CO2 in diachyma cell,transpiration rate,absorption rates of light by leaf,and chlorophyll contents were determined to study the physiological compensation effects of nitrogen fertilizer on winter wheat under the condition of water stress caused by various deep lysimeters.

李生秀 ，田霄鸿，李世清利用不同深度渗漏池供水差异所造成的水分胁迫，分期测定冬小麦叶片的净光合速率、气孔阻力、叶肉胞间CO2浓度、蒸腾强度、叶绿素含量和叶片吸光强度，研究养分对小麦水分胁迫的生理补偿效应。

To this diecasting die cavity,by using inside notch core-pulling mechanism,cope with the core-pulling problem of inside notch parts; adopting insert block structure is favourable to the snapout of gas in the course of diecasting,which solves the problem of cast air holes and conspicuously increase the qualified rate and economic benefit of diecasting.

该模具型腔采用内凹抽芯机构，解决了内凹零件的抽芯问题；采用镶块结构，有利于压铸过程中气体的排出，解决了铸件气孔问题，显著提高了压铸件的合格率和经济效益。

On the contrary, a kind of coarser structures and some metallurgical drawbacks, such as micro-holes and shrinkages, will appear in the mould-cast alloy thus mechanical properties of the latter is poorer than that of the former.2 When in different part or the casting thickness not equal, the die-casting magnesium alloy AZ91D has different mechanical property.

压铸镁合金AZ91D的组织由均匀细小的近球状组织和细小的放射状枝晶组成，相比较而言，砂型铸件组织粗大，易产生气孔、收缩等缺陷，故而其力学性能比压铸件要差。 2。压铸镁合金AZ91D铸件依部位和厚度不同，力学性能也不同。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。