查询词典 U-shaped

Methods The template DNA was extract from the human osteosarcoma cells line U－2OS by the single- step isolation method with isothiocyanic acid guanidine, the cDNA coding for the mature fragment of BMP－4 was amplified by the reverse transcription- polymerase chain reaction.

方法采用异硫氰酸胍一步法从人骨肉瘤细胞株U-2OS中提取总RNA，通过逆转录-聚合酶链反应扩增为BMP-4成熟区cDNA基因片段。

U The cutting of the seamless adhesive materials like skiing waterproof coat, diving suit, skivvies etc.

u 滑雪防水服，潜水衣，内衣，沙滩裤等无缝粘合类材料的切割，帐篷，睡袋等户外用品的开料切割

Coordinates in texture space are marked as U and V symbols, as a convention.

在纹理空间的坐标被U、V记号所标记，作为协议。

Methods: International conventional sphygmomanometry was used to carry out cluster random sampling survey of hypertension and the prevalence rate of hypertension as well as RR, AR, ARp, U test in whole district population (15 384 persons).

以国际通用血压测量方法对全区15 384人进行整群随机抽样调查，着重对有、无不良生活方式的两组人群进行高血压患病率调查，及相对危险度、归因危险度、人群归因危险度、U检验等的检测，以及相关及多元回归分析。

Mengyin komatiites are characterized by typical spinifex texture,high MgO,low TiO_2,and unde- pleted Al.They show positive Rb,Ba,Sr and U anomalies,depleted LREE,flat HREE and low total REE content.There occurs fractionation of HFSE from REE,and Nb/Nb~* is positive.These data indicate that the source of komatiites is depleted in LREE and enriched in HFSE.

山东蒙阴科马提岩具有典型的鬣刺结构，高镁低钛，铝不亏损，具有正的Rb、Ba、Sr、U异常，轻稀土元素亏损，重稀土元素平坦，稀土元素总量很低，高场强元素与稀土元素发生分异，Nb/Nb^＊〉1，与加拿大蒙罗镇科马提岩地球化学特征和同位素特征相似。

In this model the basic buildingblocks are Majorana fermions in the spinor representation of -dimensional quantum space-time with a gauge symmetry G■■=SO×SU ×U A×SU F.

在这一模型中，物质的基本组元为维量子时空中旋量表示的Majorana费米子，其规范对称性是GMD=SO×SU ×U A×SU F。

"Noises produced by spring or shock-absorber difficulties or looseness of such parts as spring U Bolts, metal spring covers, rebound clip s, spring shackles, or shock-absorber linkages or springs."

噪音是由弹簧或减震器故障，或像U型螺栓、金属弹簧盖、回跳夹、悬架吊耳、减震器拉杆或弹簧这样的部件松动所引起的。

Main business product two: Spring---The bedding spring, the independent spring, the high strength low relaxation's sofa, the massage armchair, the automobile chair U spring and so on each kind of spring, paper-insulated spring fittings and so on steel wire, spring clip, bed net clamps, presses side strip.

主营产品二：弹簧---床褥弹簧、独立弹簧、高强度低松弛的沙发、按摩椅、汽车座椅U型弹簧等各种弹簧，纸包钢丝、弹簧夹、床网夹、压边条等弹簧配件。

Products include a variety of castings and forging, and so on more than 1,000 pieces of products, of which shackle, the first card, blue flowers, wheels, rings, rotating ring, rings, screws, nuts rings, spring hook, hook-eye, rotating hook, Ring, D-ring, ring fast connection, U-Wire, bollard, hold the door, the living section bolts, butterfly nut products such as stainless steel rigging has been occupied with domestic and international cable industry's fixed market.

产品包括各种铸造件和锻造件等上千余种产品，其中卸扣、卡头、花兰、滑轮、套环、旋转环、吊环螺丝、吊环螺母、弹簧钩、眼型钩、旋转钩、圆环、D型环、快速连接环、U型丝、系船柱、门扣、活节螺栓、蝶型螺母等不锈钢索具产品已占领国内外索具行业的固定市场。

We mainly supply all kinds stainless steel rigging of casting and forging, such as :shackle,wire rope clips,turnbuckle,pulley,thimble,swivels,eye bolt,eye nut,spring hook,eye hook,swivel hook,round ring,quick link,U-Bolt,bollard,pad eye,swivel bolt,wing nut ect.

产品包括各种铸造件和锻造件等上千余种产品，其中卸扣、卡头、花兰、滑轮、套环、旋转环、吊环螺丝、吊环螺母、弹簧钩、眼型钩、旋转钩、圆环、D型环、快速连接环、U型丝、系船柱、门扣、活节螺栓、蝶型螺母等不锈钢索具产品已占领国内外索具行业的固定市场。

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。