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Cd in milled rice was about 30 % of total amount of Cd accumulated in grain.

在6个供试的杂交稻组合中,精米中Cd的浓度以扬两优6号最高,K优818最低。

Results showed that monobasic alcohol can decrease the micropolarity of β-CD cavity, but the formation constant of pyrene-β-CD inclusion complex is being larger, and polybasie alcohol had the opposite effects.

由于具有不同的尺寸大小的疏水性空腔,cD可与多种化合物形成包络物,已显示出在催化反应,化学仿生学等领域中的重要作用。

Under the condition of the plate culture ,the effects of Cd,Pb and their combined pollution on the growth of hyphae of Morchella esculenta were studied on potato dextrose agar culture media,and the bioaccumulation method of hyphae on Cd and Pb in the solid-state media was set up.

在平板培养条件下,研究了镉、铅及其复合污染对羊肚菌菌丝体生长的影响,并建立了羊肚菌菌丝体对生长基质中镉、铅生物富集的方法。

Except for a higher ratio of CD+4/CD+8 in asthmatic group there was no other significant difference between asthmatic group and nonasthmatic group.

喘息型病毒性肺炎患儿除CD+4/CD+8较非喘息型病毒性肺炎高外,其他各项淋巴细胞亚群差异无明显统计学意义。

The results show that all aluminum anodizing sludges were slightly neutral to acidic and mainly consist of more than 50% Al2O3; the similar total contents of Cu, Pb, Zn, Ni, Cd, and Cr in the 7 samples were found, namely, the concentrations of Pb, Cd were relatively lower, but that of Cu, Zn, Ni, and Cr were higher; the leaching tests indicate that all the samples were classed as nonhazardous wastes; but each of metals in the sample shows very different leaching behavior, possibly depending on their total contents and the final pH of leachates.

结果表明,铝型材污泥属于中性偏酸性物质,主要由Al2O3组成,含量在50%以上。各试样中Cu、Pb、Zn、Ni、Cd及Cr的总含量的分布趋势基本是一致的,其中Pb、Cd的含量较低,Cu、Zn、Ni及 Cr的含量较高。浸出毒性试验表明铝型材污泥属于非危险废物,但污泥中各重金属的浸出特性又各自不同,可能主要与它们在试样中的总含量和浸出液的最终pH值有关。

Cd contents in overground and underground part (0-10, 10-20cm) of 19 kinds of turf grasses which planted in Cd-contaminated soil were analyzed and determined.

方法]对种植在镉污染地19种草坪草的地上部分和地下部分(0~10、10~20cm)的含镉量分别进行了分析测定。

Compared with pheophytin a and pheophytin b, the Soret bands of Cd-pheophytin a and Cd-pheophytin b red shifted by 19nm and 11nm, respectively.

6制备、分离和纯化得到镉叶绿素a和b的配合物,比较了它们与相应天然叶绿素的光谱性质。

Accordingly, the Q bands of them blue shifted by 6mn and 13nm, respectively. The fluorescence emission wavelengths of Cd-pheophytin a and Cd-pheophytin b observed at 660nm and 649nm, respectively, which were shorter than those of corresponding pheophytin a and pheophytin b by 10nm and 9nm, respectively.

研究发现:在光吸收性质上,与脱镁叶绿素a和b相比,镉叶绿素a和b在Soret带的吸收峰位置分别红移了19nm和11nm,而在Q带则分别蓝移了6nm和13nm;在荧光性质上,镉叶绿素a和b的荧光发射波长比脱镁叶绿素a和b分别蓝移了10nm和9nm。

Successful separation of Cd-pheophytin a, Cd-pheophytin b, chlorophyll a, chlorophyll b, pheophytin a and pheophytin b in 14min was firstly accomplished by reversed-phase HPLC at a flow rate of 0.8ml/min, with the mobile phase of methanol: acetone (80: 20, v/v).

首次以甲醇:丙酮=80:20为流动相,流速为0.8ml/min,在C〓柱(5μm,4.0×250mm)上,14min内成功实现了镉叶绿素a和镉叶绿素b配合物与叶绿素a,b和脱镁叶绿素a,b的高效液相色谱分离。

Two photo-chromatic organic materials for CD-R/CD-RW are found. One photochromatic organic material for Blue-light DVD-R/DVD-RW is found.

发现了两种适合CD-R/CD-RW的有机光致变色光盘材料和一种可用于红光和蓝光DVD-R/DVD-RW的有机光致变色光盘材料。

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The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法,是一种可以突破超顺磁极限的限制,并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中,在正常可激发免疫反应的条件下,抑制mTOR可促使T细胞无能。

Health officials are cautioning people to take preventive measures and to seek medical attention if they have severe flu symptoms.

卫生官员警告人们采取预防措施,并寻求医疗照顾,如果他们有严重的流感症状。