发生处

Photosensitizer rose bengal reacts with O 2 to generate singlet oxygen ( 1O 2) under illumination .

光敏剂RB在光照射下与O2反应产生1O2，1O2与组氨酸或咪唑反应的中间产物使RNO发生氧化，导致RNO在440nm处吸光度减小，此即为RNO脱色反应。

So into the Crusher of the slag block often Kasai reamer teeth, resulting crusher machine failures, such as frequent tripping.

因此进入碎渣机的渣块也经常卡塞铰刀齿处，导致碎渣机跳闸等故障频繁发生。

Resultsforty-eight patients in this report were followed up from 6 to 24 months. based on joa low back pain score, there were 36 patients was in excellent result, 8 in good and 4 in fair, the satisfactory rate was 91.67% and effective rate was 100%.using circular saws in posterior lumbar interbody fusion has advantagas of good visualization profit removing disc tissue, preventing neurovascular injuries, and making good bone grafting bed.

结论应用环锯取骨植骨法，有以下3大优点：(1)手术视野大，椎间盘摘除彻底，既可避免摘除椎间盘时损伤重要组织，又易于构建良好的植骨床，有利于植骨融合；(2)取骨方便、安全、损伤小、出血少，既缩短了手术时间，又避免了取骨处并发症的发生，本术式平均手术用时90 min，出血量00 ml；(3)植骨融合率高，术后效果好。

On the narrow point of land commanding a view of the rivers stood a long, low structure enclosed by a stockade fence, on the four corners of which were little box-shaped houses that bulged out as if trying to see what was going on beneath.

在俯视那些河流狭窄的岬角处建有一座长而低矮，由栏杆围起来的建筑物，建筑物的四角是盒子形状的小房子，小房子向外伸张着似乎想把在它下面发生着的一切看个清楚。

In order to prolong the service life of roller bearing, a deep end-cavity roller is applied to roller bearing of cone bits.

国内现有牙轮钻头滚动轴承多采用短圆柱滚子轴承结构，滚子边缘处存在应力集中现象，使得轴承接触表面极易发生疲劳破坏，为提高牙轮钻头滚动轴承抗接触疲劳寿命，提出在牙轮钻头滚动轴承中采用凹端圆柱滚子的方案。

In China, the roller bearing cone bit is now equipped with short cylindrical roller, which has stress centralization on the edge, and it easily causes fatigue failure on the contact area.

国内现有牙轮钻头滚动轴承多采用短圆柱滚子轴承结构，滚子边缘处存在应力集中现象，使得轴承接触表面极易发生疲劳破坏，为提高牙轮钻头滚动轴承杭接触疲劳寿命，提出在牙轮钻头滚动轴承中来用凹端圆柱滚子的方案。

In China, the roller bearing cone bit is now equipped with short cylindrical roller, which has stress centralization on the edge, and it easily causes fatigue failure on the contact area.

国内现有牙轮钻头滚动轴承多采用短圆柱滚子轴承结构，滚子边缘处存在应力集中现象，使得轴承接触表面极易发生疲劳破坏，为提高牙轮钻头滚动轴承抗接触疲劳寿命，提出在牙轮钻头滚动轴承中采用凹端圆柱滚子的方案。

At a Southern Indiana coal mine, an accident at an airshaft killed three people.

南印第安纳的一处煤矿发生事故，三名工人死于通风井中。

At a Southern Indiana coal mine, an accident at an airshaft killed three people.

印地安那州南部一煤矿发生意外，三人死于煤矿通风口处。

Male infertility is related to the incomplete pairing in break regions of rearranged autosomes.

重排染色体在断裂点处广泛的不配对，引起精子发生失败。3。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。