压下的

I what pressure of working study emotive presses am suffocative come, want to ask me true need sees psychological doctor?

工作学习感情的压力压的我喘不过气来，想问下我是不是真的需要去看心理医生？

Experiments illustrate that the permeability is the function of solution time and osmotic pressure of calcium thenardite salt rock.

在围压为2.0MPa、初始渗透压为1.0MPa的溶解渗透作用下，获得不同溶解渗透时间时渗透率与渗透压的关系。

At the same advanced angle, the emission quan tities of CO, HC u nder rated speed were greater than those under maximal torque speed; Increasing app ropriately the inlet air...

同一进气动压，标定转速下所生成的CO ，HC要多于最大转矩转速情况；冷却水温对于排放的影响不能孤立考虑，要结合缸内温度同时进行。

Methods The cochlear sections of the guinea pigs exposed to experimental blast underpressure were observed using light microscope.

成年豚鼠暴露于不同强度的实验性冲击波负压后，光学显微镜下观察耳蜗的组织学切片病理变化情况。

Methods Seven calf lumar spine specimens(T13~S2) were biomechanically tested under pure moment of 10Nm loading with Tenor pedicle screw system as the fixation device. Range of motion and intradiscal pressure were measured in all unfused segments and compared among the control group, the single-segment-fixed group (L4/5) and the double-segment-fixed group (L3~L5), and the correlation analysis was performed.

取7具小牛腰段脊柱标本(T13-S2)，以Tenor椎弓根螺钉系统作为固定器械，在10Nm纯力矩加载下进行生物力学测定，测定各活动节段的运动范围和间盘内压，比较完整对照组、L4／5单节段固定组和L3～L5双节段固定组间上述指标的变化，并进行相关分析。

Studied in the paper are the performance, separation efficiency and pressure loss of a uniflow square shaped cyclone separator which can be directly and easily installed on the water wall of a circulating fluidized bed boiler.

对可与循环流化床水冷壁直接结合而易于布置的下排气方形旋风分离器的性能指标：分离效率、压降等进行了研究。

Entire process Downhole-Deployment-Valve underbalanced drilling is an advanced unkilling technology that was developed in recent years.

套管阀全过程欠平衡钻井是近几年发展起来的一项先进的不压井起下钻技术。

Diamond bits require lower WOB,high rotary speed and small flow rate,useful for hole straightening and inclining prevention,and it can be used high-density drilling fluids.But diamond bits can′t effectively drill heterogeneous hard formations which contain chert,pyrite and silicastone.

金刚石钻头的钻压小、转速高、排量小，有利于纠斜防斜，可在高密度钻井液条件下使用，但它不能有效地钻进含燧石、黄铁矿和硅质的不均质坚硬地层。

After graduation, he continued to work at the same institute, engaged in the research of shock wave propagation in solids, hyper-velocity impact and shock wave consolidation. He obtained PhD in applied mechanics from the University of Cambridge in 1998 with a thesis about constitutive relations and elastic waves for cellular solids modeled as a micropolar solid.

毕业后继续在力学所从事高温高压下固体中冲击波传播、高速冲击及爆炸冲击波压实金属粉末的机理研究。1998年获英国剑桥大学应用力学博士学位，论文研究胞状固体材料本构关系及微极材料中弹性波传播的问题。

Continue to pull your back foot upward now to start the "underflip".

一旦板快转完时，你的后脚尖仍要粘着板，这时看起来你的脚压在板下，继续抬后脚向上把板正面向上拨一下，不要把脚踢向前或离开板，继续拉脚向上。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。