可防止的

①postoperative pain after hemorrhoidectomy can be safely and effectively controlled by Acuepoint inject of lappaconitine hydrobromide ②Using the Ashi-points-injection of lappaconitine hydrobromide after hemorrhoidectomy can reduce the pain for a longtime ③Combined with Yaoshu-point-injection can enhance the anaesthetic effect at the day of surgery④The edema at anal margin can be reduced by using of Ashi-points-injection of lappaconitine hydrobromide

①穴位注射氢溴酸高乌甲素对痔术后镇痛是安全而有效的；②术毕时使用氢溴酸高乌甲素阿是穴注射具有术后长效镇痛作用；③联合使用氢溴酸高乌甲素腰俞穴注射可增强手术当天的镇痛效果；④氢溴酸高乌甲素穴位注射具有防止痔术后肛缘水肿的作用。

The initial range-of-motion exercises are performed to prevent adhesion formation; extension is allowed to 0°, but it is essential to avoid both hyperextension and flexion past 90°, which can place undue tension on the grafts.

最初的关节活动范围练习主要是为了防止粘连形成，伸展的范围可达0°，但必须避免过伸以及屈曲超过90°，否则可能会使移植的肌腱承受过度的张力。

It can be have good effect through the choice of operation indiction strictly,familiar manipulation,reduction of lesser trochanter satisfactorilv.the use of the holl screw and the use of calcium phosphate cement,preventing screw loose by bone graft and strength the management after removing DHS.

重视手术适应证的选择，术中加强手术技巧，注重小粗隆的复位，结合中空螺钉，应用磷酸钙骨水泥，植骨防止螺丝松动，加强DHS拆除后的管理均可获得良好的效果。

It was found that the ionic liquid not only increased the selectivity of methyl methacrylate but also inhibited its polymerization.

结果表明，离子液体PF_6不仅能提高MMA的选择性，还能有效防止MMA的聚合，可起到替代阻聚剂的作用。

During the breeding process of Penacus vannamei,the PCR and RT-PCR techniques are applied to detect three types of virus,that is,WSSV,IHHNV,TSV,to protect the parental shrimp,egg,nauplius,parental shrimp feed,artemia and water from being infected.The purpose of this work is to breed the healthy Penacus vannamei,and to offer a feasible measure to keep a sustainable development for Penacus vannamei breeding.

应用PCR和RT-PCR技术对WSSV、IHHNV和TSV这3种对虾病毒在凡纳滨对虾育苗过程中各个环节进行了检测，防止亲虾、卵、无节幼体、仔虾、亲虾饵料、丰年虫、水体等诸环节受到以上3种病毒携带或感染，保证培育出的凡纳滨对虾仔虾是高健康的虾苗，为凡纳滨对虾健康养殖的可持续发展提供一条可行的途径。

Through the study on passivation condition of polyphenol oxidase of vegetable juice,orthogonal design experiment that dissociative pectase degradates the pectinase of vegetable juice and immobilized pectase dealing,draw the conclusion:(1) Polyphenol oxidase will be passivated by heating at 100℃ for 3 min,which prevents the concentrated juice from browning.

本试验通过对蔬菜汁多酚氧化酶的钝化条件的研究，以及游离果胶酶对蔬菜汁果胶降解的正交设计试验和固定化果胶酶处理，得出结论：(1)在100℃下加热3min可使多酚氧化酶钝化，达到防止褐变的要求。

Prehension of the relationship and variation combined with image data conduce to well recognization of this area.

视神经管隆突及颈内动脉隆突与后组筛窦和蝶窦的这种复杂解剖关系及其不对称性，是经鼻前颅底手术损伤视神经管及颈内动脉的根本原因，了解这种解剖关系及其变异，术前结合患者影像学资料，可良好判定此区域结构的解剖关系，防止视神经管及颈内动脉损伤导致的严重并发症。

To prevent a DNS server from storing RR information in the cache of the resolver for the value of the TTL received in the DNS query response message, the following options configurations can be used for BIND.

为防止DNS服务器存储居民中的信息缓存解析器的价值的TTL收到的DNS查询响应消息，下列选项配置可用于困境。

The will do systematic data of VB + ACCESS sigmatism is unable to be destroyed casually by the external world evil intention attack , lucid , is put into use going to the lavatory simplely, may there be an effect prevented from the password embezzles , ensures consumer fund safety.

VB+ACCESS 的使用使得系统的数据不会轻易被外界恶意的攻击破坏，简单易懂，使用方便，可有效防止密码盗用，确保用户资金安全。

Features: This product is a newly developed formula effects of chitin, including a variety of marine biological active ingredient, a variety of crops to ensure faster and better nutrient absorption, and contains a unique element of the anti-cropping, can quickly develop a useful soil flora and prevent soil compaction caused by continuous cropping, undesirable phenomena such as plant growth, significantly reduced root rot and stem rot, blight wilt, blight, root-knot nematodes and other diseases.

功能特点：本品是最新研制的甲壳素特效配方，内含多种海洋生物活性成分，保证作物各种营养元素的更快更好吸收，并含有独特的抗重茬成份，可迅速培养起土壤有益菌群，防止重茬引起的土壤板结、植株生长不良等现象，显著减轻根腐、茎基腐、枯萎、疫病、根结线虫等病害。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷