نتایج جستجو برای: new plants

تعداد نتایج: 2023468  

Journal: :Botanical Gazette 1907

Journal: :Botanical Gazette 1912

Journal: :Annals of Botany 1891

2011
J. Keightley P. Cassette L. Johansson

− The radioactivity measurement techniques being developed within the EMRP “MetroFission” Joint Research Project (JRP) [1], are aimed at performing on-site activity measurements, by the development of a portable Triple to Double Coincidence Ratio (TDCR) system along with associated digital electronics. The TDCR standardisation method for beta-emitting radionuclides (e.g. H and Pu) produces an e...

ژورنال: The Iranian Journal of Botany 2004

Cousinia subpectinata به عنوان گونه جدیدی از ایران شرح داده می‌شود. این گونه با نزدیکترین خویشاوند خودCousinia rechingerorum مقایسه شده طرح و پراکنش جغرافیائی آن ارائه می شود. همچنین شرح بخش در ارتباط با این گونه تکمیل می‌شود.

2014
Yulong Guo Yao Han Jing Ma Huiping Wang Xianchun Sang Mingyang Li

Although artificial microRNA (amiRNA) technology has been used frequently in gene silencing in plants, little research has been devoted to investigating the accuracy of amiRNA precursor processing. In this work, amiRNAchs1 (amiRchs1), based on the Arabidopsis miR319a precursor, was expressed in order to suppress the expression of CHS genes in petunia. The transgenic plants showed the CHS gene-s...

Journal: :Medical History 1985
P S Brown

In the middle of the nineteenth century, there was fierce confrontation between British herbalists, under the influence of Thomsonian medical botany, and the orthodox medical profession which was then in the throes of ordering its own ranks.' Towards the end of the century, this excitement had diminished and herbalists became less conspicuous, but a small group continued to struggle to improve ...

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