查询词典 retention

Sleep apnea hypopnea is one of the most important factors for exacerbating hypoxemia,carbon dioxide retention and acidosis.

睡眠呼吸紊乱是造成OS患者高碳酸血症及缺氧难以纠正的重要原因。

Some of the recent results are summarized on the characteristics of HYP and its effect on the wet-end operations of the papermaking process in the production of printing and writing paper, including internal sizing and f iller retention.

与漂白硫酸盐浆相比，高得率浆含有较多的细小纤维、木素和阴离子垃圾，同时含有较多的羧基和磺酸基等阴离子基团而使其纤维上的负电荷密度显著高于BKP纤维。

Results Of the 21 cases,the KUB findings showed bowel dilatation with air in 21 cases and lower intestinal obstruction in 16 cases;the barium enema X ray showed typical X ray features （in spasm segment,and dilatation segment） in 18 cases and atypical X ray features in 3 cases as limited incisures in inferior rectum,and found barium retention in the following up of 24 hours.

结果 21例腹部平片均表现为肠腔充气扩张，其中有16例低位结肠梗阻；钡灌肠检查18例见典型X线征象：痉挛段，移行段，扩张段；3例不典型X线征象：直肠下段局限性切迹，24h随访均有钡剂潴留。

With the development of economy,the retention of ownership,which is widely adopted in installment selling,plays a significant role in our economic life.

随着社会经济的发展，分期付款买卖这一特殊买卖形式在经济交往中的积极意义不断凸显出来。分期付款买卖中被广为采用的所有权保留制度在促进分期付款买卖积极作用充分发挥的同时，确保了交易安全，切实保障了当事人的合法权益。

Protein disulfide isomerase is one of main retention proteins in ER, which is an abundant protein in luman of the ER especially in secretory cells.

蛋白质二硫键异构酶是内质网腔内的主要驻留蛋白之一，在分泌细胞的内质网腔中含量非常丰富，其主要功能是催化细胞内分泌蛋白和膜蛋白新生多肽的二硫键形成。

Directed at improving the efficiency of treating waste water in Biological Aerated Filter, the paper introduces the study of the effect of air flow rate, Hydration Retention Time, and organic loading of input water on the removal rate of Chemical Oxygen Demand and NH3-N using activated carbon, zeolite, architecture keramics and engineering keramics as stuffings.

为提高曝气生物滤池处理废水的效率，以沸石、活性炭、建筑陶粒、工程陶粒作为填料测试气体流速、水力停留时间、进水有机负荷对生物滤池的化学需氧量、NH3—N的去除效果及出水浊度的影响。

The KIPP schools with the best teacher retention are also the oldest, he notes, suggesting that, over time, school leaders work out how to make the job manageable.

他指出，有最好教师力量的KIPP学校也是最古老的，并表示，随着时间的推移，学校领导会制定出怎样使工作便于管理的计划。

The experiment results showed that the products can improve the strength of bleached wheat straw pulp and have positive effect on drainage and filler retention. emulsifier ; cationic modified gelatin latex ; paper ; application

在不同类型的化学改性方法中[5] ，接枝共聚改性引起了有关科研工作者的普遍关注，因为接枝共聚改性方法不但可保留母体主链的主要性能，而且改性后的聚合物还能从接枝侧链中

At last, we studied the function of benthic algae in ecosystem of eutrophic lake, the primary productivity of benthic algae and the role of periphyton in phosphorus retention were investigated in a littoral zone of shallow lake.

最后对底栖藻类在富营养化湖泊生态系统中的作用和功能进行了初步研究，测定了不同季节东湖底栖藻类的初级生产力和对水体中磷的滞留作用。

Today, Adam Retention-tailed, long-barreled boots foot a day, before going to sleep have to drink two bottles of red wine, usually only drink their own sales agents, wild tea, already thoroughly integrated into the Lijiang, a life of leisure.

如今的阿丹留着马尾辫，脚踏长筒皮靴，每天睡觉前必须要喝上两瓶红酒，平时只喝自己销售代理的野生普洱茶，早已彻底融入了丽江闲适的生活。

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％。