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Multitasking: About 2.5% of people can use a cellphone and drive without performing worse at either task, according to a study forthcoming in the Psychonomic Bulletin and Review. The participants, 200 college students, performed a math-and-memorization test and a driving simulation first as single tasks and then simultaneously.

一心多用：《心理计量学公告与评论》（Psychonomic Bulletin and Review）上即将发表的一项研究发现，大约有2.5%的人可以边打手机边开车，而且还能做到两不耽误。200名大学生参与者先是分别接受数学识记以及模拟驾驶的测试，然后又同时进行了两项测试。

Pteris nervosa L. were discovered and confirmed as another arsenic hyperaccumulator in field investigation, could accumulate arsenic up to 1000mg/kg in pinnate in field. P. vittata L. and P. nervosa L.

通过野外调查，发现和证实了大叶井口边草是一种As的超富集植物，并发现蜈蚣草和大叶井口边草对多种重金属都具有很高的耐性。

In the case of clear acrylic polyamic innovativeink, innovativeink, nitrosalicylic innovativeink and pyroligneous resin inks almost all of them can be used as polyurethane adhesive dry compound table printing ink business card printing and membership card and white ink is used in printing ink, as well as all table printing ink ' or color screen printing inks in the inks, while white ink table printing ink business card printing and membership card.

如聚酰胺油不朱、丙烯酸油不朱、硝基油不朱、氯醋树脂油不朱等实在都可以息为聚氨酯胶潮式不简单的外印油不朱制卡和会员卡制息，而白不朱则拔取边印油不朱，也有全部拔取外印油不朱'或者不黑白油不朱用边印油不朱，而白不朱拔取外印油不朱制卡和会员卡制息的。

Then with V∶V=11 9∶1 0,and by bubbling of air at 65-70 ℃ for 5-8 h,pyruvaldehyde was produced in 59 6% yield.

丙酮醛的总收率达 37 8%。n∶n∶n(1，2 丙二醇)=1 0∶4 0∶(1 5～ 2 5 )，以水为溶剂，在 6 0～ 70℃间歇通入氮气 1 5h ，边加原料边蒸馏，制得产率为5 0 %的丙酮醛。

The mixture was refluxed gently with stirring for 42 hours.

边搅拌，该混合物边温和地进行回流42小时。

The results shows: the energy of elastici,disolved-gas drive and edge water drive in reservoir is plenty, but the physical properties of reservor are poor,crude oil viscosity is low and mobility is big, so it is difficult to develop by injecting waer.

对典型的特低渗超高压深层边水油藏文88块的开发方式进行了研究，研究表明：油藏弹性溶解气驱和边水驱能量较充足，油藏物性差、原油粘度低，流度较大，难以实现注水开发，而利用天然能量开发地质、工艺、经济上皆可行。

We don't like the rim. The rim should be ridged.

我们不喜欢这样的盘边，盘边必须是脊状的。

She turned the light low, and slipped stealthily over and knelt down by the sack and felt of its ridgy sides with her hands, and fondled them lovingly

她把灯光拧小一点，蹑手蹑脚地溜到那只口袋旁跪下，用手触摸着鼓鼓囊囊的边边角角，爱不释手

If you wear hat of widen ringe and sunglasses together,then the hat can protect 50% sun radiation and cut the sun radiation that go through your eyes.

宽边帽子和太阳镜一起戴。宽边帽子和头巾阻挡50%的太阳辐射，减少从镜片四周进入你眼睛的太阳辐射。

The thalli were short poleour and the wide white ringe and narrow white ringe were observed when it was cultured in TZC medium.

菌体短杆状，在TZC选择性培养基上培养出现白边较宽和白边较窄的两种菌落。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。